Method for setting a numerical value range on an input device

Abstract

Method for setting a numerical value range on an input device for configuring or selecting the components of an electric drive system with regard to a parameter as a numerical value, wherein the input device has a display (10) on which a minimum value (14) for the numerical value and a maximum value (17) for the numerical value are variably displayed and the minimum value (14) and the maximum value (17) form a numerical value range between them, comprising the following steps: - a minimum value slider (13) is displayed as a graphic element and a maximum value slider (16) is displayed at a distance from it as a graphic element, each of which can be moved to change the numerical value range, - moving the minimum value slider (13) towards or away from the maximum value slider (16) and / or moving the maximum value slider (16) towards or away from the minimum value slider (13), - reducing the minimum value (14) in the event of moving the minimum value slider (13) away from the maximum value slider (16) and increasing the minimum value (14) in the event of moving the minimum value slider (13) towards the maximum value slider (16) in order to obtain a new minimum value (14), - reducing the maximum value (17) in the event of moving the maximum value slider (16) towards the minimum value slider (13) and increasing the maximum value (17) in the event of moving the maximum value slider (16) away from the minimum value slider (13) in order to obtain a new maximum value (17), - Changing the numerical value range by spanning a new numerical value range with the new minimum value (14) and / or the new maximum value (17), wherein when the minimum value slider (13) or the maximum value slider (16) are moved towards each other the numerical value range is reduced, and wherein when the minimum value slider (13) or the maximum value slider (16) are moved away from each other the numerical value range is increased, characterized in that the minimum value slider (13) or the maximum value slider (16) return to their original position after being moved and released or released.

Description

The invention relates to a method for setting a numerical value range on an input device, in order to configure or select, in particular, components of an electric drive system with regard to a parameter as numerical value. For example, from a wide range of power controllers with very different rated powers, parameters within a specific range of the rated power are to be able to be selected and displayed.Input methods are widely known in the prior art, for example from DE 10133135 A1 for cooking appliances. In this case, a numerical value is set on a touch-sensitive control panel by means of a finger on a so-called slider. In order to be able to perform an accurate setting within a predetermined large numerical value range, a so-called zoom function is provided. The activation thereof can be adjusted by sweeping over the slider in sections or once or several times with the finger. However, this is generally complicated.US 2014 / 0282252 A1 discloses a further input method of the generic type. On a slider, a numerical value range is displayed in a display. In this case, end points of the slider can be adjusted. Thus, a more comfortable input device can be provided.From DE 10 2012 019 942 A1, a further corresponding input device is known in order to be able to perform an adjustment by means of a slide. However, the minimum value and the maximum value remain the same or unchanged on a scale shown along a line. Only the sliders separately adjust, displaying a numerical value corresponding to their new position.DE 10 2014 010 302 A1 discloses an input method at an operating system for a motor vehicle. In this case, a region between two index points can be adjusted with two fingers or an index point is adjusted or moved with each of the fingers according to the assignment.Object and SolutionThe object of the invention is to provide a method for setting a numerical value range mentioned at the beginning, with which method problems of the prior art can be solved and it is possible in particular to set a numerical value range on an input device in a better, intuitive and practical manner.This object is achieved by a method having the features of claim 1. advantageous and preferred embodiments of the invention are the subject matter of the further claims and are explained in more detail below. The wording of the claims is made the content of the description by explicit reference.In the method for setting a numerical value range on an input device, in order to configure or select components of an electric drive system with respect to a parameter as a numerical value, a minimum value for the numerical value and, with distance therefrom, a maximum value for the numerical value are represented on a display of the input device, which can vary or are variable. The minimum value and the maximum value form a numerical value range between them, wherein the mentioned parameter or the mentioned parameters can lie within this numerical value range. On the display, the numerical values for the parameter of the various components that are within the numerical value range are displayed. In this case, either directly between the minimum value or the maximum value can be displayed in these numerical values. Alternatively, they may be displayed to the right or generally adjacent to them along with the components identified by these parameters. In the method, the steps mentioned and explained below are carried out. A minimum value slider and a maximum value slider are displayed as graphic elements, respectively. The minimum value shifter and the maximum value shifter can clarify the minimum value and the maximum value at the beginning of the method or are as far away from one another as possible at a specific original distance and, as it were, span the numerical value range between them. For changing the numerical value range, the slides are movable, and preferably both. In this case, they can advantageously be moved towards and away from one another, such that both the minimum value and the maximum value can be reduced and enlarged. The minimum value slide is thus moved towards or away from the maximum value slide. Similarly, the maximum value slider may be moved toward or away from the minimum value slider. In this case, in the case of a movement of the minimum value slide away from the maximum value slide, the minimum value is reduced, if this is possible at all. Advantageously, a reduction in the minimum value is not possible at the beginning of the setting method, since this minimum value is advantageously originally set to zero.The minimum value is increased in the case of moving the minimum value slider toward the maximum value slider. Thus, by moving the minimum value shifter, a new minimum value can be obtained.Similarly, the maximum value slider may be moved. If it is moved toward the minimum value slider, the maximum value is reduced. If the maximum value slide is moved away from the minimum value slide, the maximum value is increased. A new maximum value can thus be set starting from a maximum value originally specified at the beginning of the method.By changing the minimum value and / or the maximum value in the manner described above, the original numerical value range can be changed and a new numerical value range can be formed or spanned. This new numerical value range is determined by the new minimum value and / or the new maximum value. Although their distance from one another can theoretically remain the same, a new distance is advantageously provided between the minimum value slide and the maximum value slide. This new distance is particularly advantageously somewhat smaller than the original distance. It is thus reduced when moving the minimum value slide or the maximum value slide towards each other to the numerical value range. When the minimum value slider or the maximum value slider are moved away from each other, the numerical value range is enlarged. This therefore corresponds to a type of zoom function for more accurate setting or for better finding of numerical values or parameters therebetween and the components associated therewith. Furthermore, a selection range for components can thus be reduced, enlarged or easily shifted on the basis of their parameters.The parameters of components whose numerical values are in the new numerical value range can also be displayed. This can be effected either directly between the minimum value slide and the maximum value slide, alternatively, as mentioned above, next to it.Advantageously, the display also displays the components whose parameters lie within the current numerical value range in numerical value. In this case, the components can be displayed on the display according to their actual physical configuration, for example in a type of list or sequence at a distance from the region of the display with the minimum value slider and the maximum value slider. Thus, not only can their parameters be represented between the minimum value shifter and the maximum value shifter, but also the components themselves. By selecting one of the displayed components, the electric drive system can then be accurately configured.In a possible development of the invention, the parameters in the new numerical value range can be displayed by specifying their numerical value and / or by displaying a graphical element at the location in the new numerical value range corresponding to the numerical value of the respective parameter. As a graphic element, a line or a strip can advantageously be provided with a course transversely to the direction between the minimum value slider and the maximum value slider, for example also with a special color for better visibility. In addition, the corresponding numerical value of this parameter can be displayed, advantageously above or below. Alternatively, only the numerical value at the corresponding location in the new numerical value range can also be displayed.In a possible development of the invention, a so-called numerical value strip can be displayed on the display, which strip runs between the minimum value slider and the maximum value slider. In particular, such a numerical value strip runs between the original location of the minimum value slider and the maximum value slider. It can be provided that it remains unchanged while the slides are moved. In particular, the numerical value strip can also remain unchanged if, as will be explained in more detail below, the minimum value slider and / or the maximum value slider are located at a somewhat different location, in particular their distance has decreased. Such a numerical value strip is advantageously designed as a wide strip with a clear border, so that it can represent a narrow elongated rectangle. It also advantageously serves to better display the aforementioned graphical elements, lines or strips for the numerical value of a parameter. Furthermore, the numerical value strip can optically form a type of rail or guide in order to be able to move or shift the minimum value slider and the maximum value slider thereon, so that the appearance of a mechanical slider is given.In a further development of the invention, it is possible that the aforementioned lines or strips corresponding to the parameter are displayed on the numerical value strip. Furthermore, it is advantageously possible for a region of the numerical value strip between the lines or strips respectively located furthest apart to be colored as a special graphical identifier. Thus, the area in which components for the electric drive system are actually present is displayed to an operator, the parameters of which components lie within the current numerical value range between the minimum value slide and the maximum value slide or the minimum values and maximum values set by them. Alternatively, the entire range of the numerical value strip between the minimum value slide and the maximum value slide could also be colored. Then, however, an information content with respect to the intermediate parameters of components would be lower.Advantageously, the change of the respective minimum value and / or maximum value can take place depending on the duration with which the respective slide has been moved or has been deflected away from its original location, i.e. the longer it is deflected the more the numerical value changes for the respective minimum value or maximum value. This can take place linearly with time or else increasing or with acceleration, so that the change becomes more rapid with increasing duration. Thus, numerical values that are significantly different can be achieved more quickly. Alternatively, the speed of the change may depend on how far the slide has been pushed away from the original location or how far it has been attempted to move away from it. If the slide is moved away only a small distance or a few mm, advantageously 1 mm to 5 mm, the speed of the change is small. If, on the other hand, the slide is moved away a large distance or a few mm, advantageously 5 mm to 15 mm, the speed of the change is high.In a possible development of the invention, the display or the input device has a screen, wherein the numerical value range can be set or changed or the minimum value slider and / or the maximum value slider can be moved by means of a peripheral input device such as a mouse, track point or touchpad. The respective pointing element can thus be moved on the screen in a known manner. The input device advantageously also has at least one switching device or the like, for example a mouse button or a pressing function on a touchpad. Actions or operating processes can thus also be triggered in a known manner.In a further possible embodiment of the invention, the display has a touch-sensitive screen, also known as a touchscreen. The numerical value range can then be changed or the minimum value slide and / or the maximum value slide can be moved by placing a finger on the touch-sensitive screen, as is known per se. Thus, a finger can be placed via the minimum value slider or the maximum value slider. By subsequently moving the slide towards or away from the other, they can be moved in the aforementioned manner or the numerical value range can be enlarged or reduced. The pointing element can then advantageously be controllable by the finger, and a further switching device or the like does not need to be controlled, as is known from such touch-sensitive screens.In a further development of the invention, it can be provided that, when the minimum value slide and the maximum value slide are moved, either by means of an aforementioned pointing element, for example a mouse pointer, or by means of a finger placed on a touch-sensitive screen, the release or release of the slide, as well as the lifting of a finger, have the effect that the numerical value existing at this moment is adopted as a new minimum value or new maximum value. Since, when the minimum value and the maximum value are changed, the corresponding slides are each advantageously moved somewhat graphically or optically on the display, for example 0.1 mm to 10 mm or even 20 mm, in order to display their change in a specific direction, that is to say away from the other slide or towards it, the slide automatically returns to its original location according to the invention after releasing or releasing. Thus, it acts as if it is quasi attached to a rubber band and returns to its original position by itself.In an alternative development of the invention, it can be provided that, when the minimum value slider or the maximum value slider are attempted to be moved away from one another by means of the pointing element, the minimum value slider and the maximum value slider are not movable beyond their respective original location on a numerical value strip on the display which they had started when the setting method was started. The slides thus strike the ends of the numerical value strip, so to speak, or cannot project outward beyond the latter, i.e. remain stationary. However, if the pointing element continues to move in this direction, the minimum value can then be reduced even further or the maximum value can be increased further. In this case, the pointing element advantageously moves further on the display in a visible manner, and its movement changes the minimum value and the maximum value accordingly as described above.In a possible development of the invention, it can be provided that the current numerical value of the respective slider is displayed alongside or in the minimum value slider or alongside or in the maximum value slider. Alternatively, the numerical value to which the position of this slide between the minimum value and the maximum value corresponds can be displayed. This applies in particular when the minimum value slide or the maximum value slide are moved towards one another. In addition, for example, at the previous location of the respective slider, the previous minimum value or maximum value can be displayed. Thus, an operator can see both the previous numerical value and the numerical value just newly set or the numerical value corresponding to the current location of the slider.In a possible development of the invention, it can be provided that the previous minimum value or maximum value is displayed in addition to or in the minimum value slider or the maximum value slider. A minimum value or maximum value corresponding to the current location can then be displayed elsewhere.In an advantageous development of the invention, it can be provided for the numerical value range that the minimum value is provided on the left and the maximum value is provided on the right at a distance therefrom. This extension in the horizontal direction from left to right starting from the minimum value corresponds to the intrinsic rapid understanding of an operator. In this case, it can generally be provided that in an initial state or original state, the initial minimum value is 0 or 1. The initial maximum value may be chosen to suit the particular application.In a development of the invention, it can be provided that a type of scaling or type of representation of the original numerical value range is also adopted for the new numerical value range. For example, an originally linear representation or logarithmic representation of the original numerical value range can also apply to the new numerical value range. In another development, it can be provided that a first numerical value range originally represented is very large or is maximally large and has a logarithmic representation. This is generally considered advantageous for the presentation or selection of numerical values at a limited width. If a smaller numerical value range is then set, which is in particular smaller than 1% to 5%, a linear representation can be changed to. This corresponds better to natural understanding, and in particular if an aforementioned slide is to be moved along the numerical value range on the display, the understanding is easier for an operator in the case of a linear representation.These and further features are evident, apart from from the claims, also from the description and the drawings, wherein the individual features are each realized by themselves or in the form of sub-combinations in an embodiment of the invention and in other fields and can represent advantageous embodiments which are protectable per se and for which protection is claimed here. The subdivision of the application into individual sections and intermediate headings does not restrict the generality of the statements made under them.Brief Description of the DrawingsExemplary embodiments of the invention are schematically illustrated in the drawings and are explained in more detail below. In the drawings, there are shown: FIGS. 1 to 8 show different representations of how a numerical value range for parameters is set on an input device with the method according to the invention.DETAILED DESCRIPTION OF THE EMBODIMENTSIn FIG. 1, a numerical value strip 11 is shown as a section in a screen of a named input device, which serves as a display 10, for example with a width of 5 cm to 10 cm. The numerical value strip 11 has a left end and a right end. At the left end, a minimum value shifter 13 is shown, in which the current minimum value, namely 0, is indicated as numerical value 14. Similarly, at the right end of the numerical value strip 11, a maximum value slider 16 is shown with a numerical value 17 therein, namely 370. The minimum value 0 and the maximum value 370 span between them the numerical value range from 0 to 370 or form this. Thus, for components of an electric drive system, for example the power or a power range or a rated power for a power controller of such a drive system, such could be displayed on the right side of the numerical value strip 11 in a representation, the rated power of which lies in this range. However, since this is the initial representation, no examples of these parameters lying in this numerical value range are shown here.According to FIG. 2, in a first step for changing the numerical value range, the minimum value slide 13 can be moved to the right or toward the maximum value slide 16 with a pointing element 21. This obviously serves to increase the minimum value. In the position of the minimum value slider 13 shown here, the corresponding numerical value 14 is for the minimum value 70. Alternatively, it could also be scaled logarithmically, so that a better setting is possible with smaller numerical values.If the minimum value slide 13 is then released or released again by removing the pointing element 21 or releasing a left mouse button, by means of which the pointing element 21 has gripped the minimum value slide 13 for movement, it returns automatically in the direction of its starting position or its original location. As can be seen in FIG. 3, the distance of the minimum value slider 13 from the leftmost end of the numerical value strip 11 at which it was originally in accordance with FIG. 1 is then approximately 0.5 cm or 5% of the total length of the numerical value strip 11 and has therefore not returned to its original location. As a result, an operator can recognize that the minimum value has been increased from the original minimum value 0 to the current minimum value 70.After the numerical value range has now been changed between the minimum value to the maximum value, as already shown in FIG. 2, the numerical values or at least the largest numerical value appear for a corresponding parameter of one of the components, which can be selected overall. This is the numerical value 19, which is for example approximately 350. A range 20 is spanned as far as the leftmost position, i.e., for a smallest numerical value 19' for this parameter. Within this range 20, corresponding components or performance rules from the entire offer are now contained. The individual power controllers in each case are not illustrated here, but this could also be done as is easily presented. For this purpose, they could likewise be represented as vertical lines as for the numerical value 19. In addition, in addition to these vertical lines, the respective numerical value could also be directly numerically specified.In order to further narrow or reduce the numerical value range, the maximum value slide 16 can be gripped by means of the pointing element 21 according to FIG. 4 and moved to the left or toward the minimum value slide 13. In the maximum value shifter 16, the corresponding numerical value 17 is displayed, which is here 300. The maximum value slider 16 is then released or the pointing element 21 is removed or a left mouse button is released again, so that the maximum value slider 16 automatically returns in the direction of its original location. Similar to the description above for the minimum value slider 13, the maximum value slider 16 does not, however, completely return to its original location, but remains just before it, for example also the aforementioned 0.5 cm or 5% of the length of the numerical value strip 11. Now, the numerical value range ranges from 70 as the minimum value to 300 as the maximum value. A numerical value 19 as the upper limit of the shaded area 20 can now be a lower value than before, for example 260, because it has obviously fallen out with the numerical value 350. This means that the possible power controllers with a rated power as a parameter have been limited in accordance with the numerical value.FIG. 6 shows how the numerical value range can be extended again so to speak or, specifically, the minimum value can be reduced again. For this purpose, the minimal value slider 13 is gripped by means of the pointing element 21, starting from FIG. 5, and moved to the left to the end of the numerical value strip 11 or to its original location. In this case, according to a first embodiment of the invention, it can be provided that, unlike when the minimum value slide 13 is moved to the right or for enlarging the minimum value, the minimum value is not reduced or changed in accordance with the distance travelled, but, similarly to a button or a toggle method, the minimum value is changed only with a single step. Thus, the current minimum value can be reduced by 10%, for example, so that the new minimum value is only 63. Instead of 10%, these could also be 5% or even 20%. If, starting from FIG. 6, the minimum value slider 13 were then released again by means of deactivating the pointing element 21, it would automatically return again to a position corresponding to FIG. 5, but would only display the minimum value 63 which would then also be set. This can be repeated several times, for example always in the steps mentioned of 10% reduction until a new desired minimum value is set.Alternatively, according to a second embodiment of the invention, it could be provided that not a percentage is reduced, but rather by firmly predetermined values, which under certain circumstances depend on a scaling of the minimum value. Thus, at minimum values of up to 10, a reduction could take place in 1st steps or 2nd steps, respectively, and at a minimum value of between 10 and 50 in 5th steps or 10th steps. The same can then also apply to the change of the maximum value 17 with the maximum value slider 16, which can be moved exactly in a corresponding manner to the right to its original location according to FIG. 1, in order to increase the maximum value 17 again.In FIG. 7, it is shown how the minimum value 14 is set to 2.4 by greatly reducing it, and the maximum value 17 to 4.4; the minimum value slider 13 and the maximum value slider 16 are spaced apart by about 0.5 cm from the extreme ends of the numerical value strip 11. Within the sliders, numerical values 19 and 19' for parameters for the rated power of a power controller are shown, which form a hatched region 20 between them.As yet another alternative third embodiment of the invention, FIG. 8 shows how, starting from FIGS. 5 and 6, the minimum value 14 could be significantly reduced by means of the pointing element 21. For this purpose, the pointer element 21 has first been set to the minimum value slider 13 in accordance with FIG. 5 and this has been moved to the left into a position in accordance with FIG. 6, and the minimum value has thereby been reduced by 10% to the value of 63. If, however, the pointing element 21 is then moved even further to the left, namely away from the minimum value disk 13 which has been stopped, then in this embodiment the numerical value 14 for the minimum value decreases significantly or further, namely corresponding to the distance or the path of the pointing element 21 from the location at which the minimum value slider 13 has found its stop to the left or could no longer be moved further. Thus, by moving the pointing element 21 to the left or to the right, the minimum value, as shown visually, can be changed without the need for the representation of the minimum value slide 13 to move it even further to the left. Thus, with a single movement starting from FIG. 5 with the minimum value 70, the minimum value of 2.4 shown in FIG. 8 can be set. In this case, it can namely also be provided, similar to the above-described one, that, with low values for the minimum value, a reduction no longer takes place in 10 steps or 5 steps, but rather in 1 steps or even in 0.1 steps. Also in the illustration of FIG. 8, after the deactivation or release of the pointing element 21, the minimum value slider 13 would return to the location illustrated in FIG. 7, that is to say with a slight distance from the left end of the numerical value strip 11.Accordingly, as is easily conceivable, it can also apply to the maximum value slider 16 or an adjustment of the maximum value 17.In general, the invention can provide that a sequence of steps of the numerical values in the sliders can be dependent on their absolute size. If the maximum value slider 16 is moved with a maximum value between 300 and 370 in FIGS. 1 to 6, a rough step sequence in 10 steps or even 50 steps may be expedient. If, in accordance with these figures, the minimum value is set in a range between 63 and 70 in the minimum value shifter 13, 5th steps can be expedient. In the case of the numerical values 14 and 17 shown in FIG. 7 for the minimum value and the maximum value, 0.5 steps or, for example, in the case of less than 5 as the numerical value, even 0.1 steps can be expedient. The respective minimum value or maximum value can be used as a reference, or alternatively the smallest numerical value 19' or the largest numerical value 19 for the available parameters of the components.

Claims

Method for setting a numerical value range on an input device for configuring or selecting the components of an electric drive system with respect to a parameter as a numerical value, wherein the input device has a display (10) on which a minimum value (14) for the numerical value and a maximum value (17) for the numerical value are variably represented and the minimum value (14) and the maximum value (17) form a numerical value range therebetween, having the following steps: - a minimum value slide (13) is displayed as a graphical element and a maximum value slide (16) is displayed at a distance therefrom as a graphical element, which can each be moved for changing the numerical value range, - the minimum value slide (13) is moved towards or away from the maximum value slide (16) and / or the maximum value slide (16) is moved towards or away from the minimum value slide (13), reducing the minimum value (14) in the case of moving the minimum value slide (13) away from the maximum value slide (16) and increasing the minimum value (14) in the case of moving the minimum slide (13) toward the maximum value slide (16) in order to obtain a new minimum value (14), reducing the maximum value (17) in the case of moving the maximum value slide (16) toward the minimum slide (13) and increasing the maximum value (17) in the case of moving the maximum value slide (16) away from the minimum value slide (13) in order to obtain a new maximum value (17), changing the numerical value range by spanning a new numerical value range with the new minimum value (14) and / or the new maximum value (17), wherein the numerical value range is reduced when moving the minimum value slide (13) or the maximum value slide (16) toward one another, and wherein, when the minimum value slide (13) or the maximum value slide (16) are moved away from one another, the numerical value range is enlarged, characterized in that the minimum value slide (13) or the maximum value slide (16) return to their original location after movement and release or release.Method according to Claim 1, characterized in that the components whose parameters are within the numerical value range are displayed, these components preferably being displayed on the display (10) at a distance apart from the minimum value and the maximum value.Method according to Claim 1 or 2, characterized in that the parameter or parameters in the new numerical value range are displayed by the specification of the numerical value and / or by the display of a graphical element (19, 19') at the location in the new numerical value range corresponding to the numerical value of the parameter, preferably as a line (19, 19') or as a strip running transversely to the direction between the minimum value slider (13) and the maximum value slider (16).Method according to one of the preceding claims, characterized in that a numerical value strip (11) is displayed on the display (10) between the minimum value slider (13) and the maximum value slider (16), preferably between the original location of the minimum value slider (13) and the original location of the maximum value slider (16), wherein in particular the numerical value strip (11) remains unchanged during the movement of the sliders (13, 16).Method according to Claim 4, characterized in that a line (19, 19') or strip according to Claim 3 is represented on or transversely over the numerical value strip (11), wherein a region (20) of the numerical value strip (11) is preferably coloured between the lines (19, 19') or strips respectively located furthest apart.Method according to one of the preceding claims, characterized in that the display (10) has a screen and the numerical value range is changed or the minimum value slider (13) and / or the maximum value slider (16) are moved by means of a peripheral input device such as a mouse, a track point or a touchpad, with which in each case a pointing element (21) can be controlled.Method according to one of the preceding claims, characterized in that the display (10) has a touch-sensitive screen and the numerical value range is changed or the minimum value slide (13) and / or the maximum value slide (16) is moved by placing a finger on the touch-sensitive screen on or above the minimum value slide (13) or on or above the maximum value slide (16) and then moving towards or away from one another, wherein a pointing element (21) can preferably be controlled by the finger.Method according to one of the preceding claims, characterized in that, after movement of the minimum value slide (13) or the maximum value slide (16), their release or release has the effect that the numerical value (14, 17) which exists at this moment is adopted as a new minimum value (14) or new maximum value (17).Method according to one of the preceding claims, characterized in that, when the minimum value slide (13) or the maximum value slide (16) is being attempted to be moved away from one another by means of the pointing element (21), the minimum value slide (13) and the maximum value slide (16) cannot be moved beyond their respective original location on the numerical value strip on the display (10), wherein, when the pointing element (21) is moved further in this direction of movement, the minimum value (14) is reduced or the maximum value (17) is increased further.Method according to one of the preceding claims, characterized in that, in addition to or in the minimum value slide (13) or the maximum value slide (16), the current numerical value (20) of this slide is displayed or the numerical value (20) is displayed, to which the position of this slide (13, 16) between the minimum value (14) and the maximum value (17) corresponds.Method according to one of the preceding claims, characterized in that the previous minimum value (14) or maximum value (17) is displayed in addition to or in the minimum value slide (13) or the maximum value slide (16).Method according to one of the preceding claims, characterized in that the minimum value (14) is represented on the left and the maximum value (17) is represented on the right at a distance therefrom as a numerical value range, wherein preferably at the beginning of the method the minimum value slide (13) has been moved as far as the minimum value (14) and the maximum value slide (13) has been moved as far as the maximum value (17).Method according to one of the preceding claims, characterized in that a type of scaling or type of representation of the original numerical value range is adopted for the new numerical value range, in particular selected from the group: linear representation, logarithmic representation.

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