Image Display Undo Key for Language Reversion
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Solution Overview
Problem
Multilingual image display apparatuses often face issues where users inadvertently change the language setting to one they cannot understand, making it difficult to revert to the original language due to language-dependent interface design, especially in devices with limited display space.
Innovation Solution
The apparatus displays an undo key or a message asking to maintain the language change for a predetermined time, allowing users to easily revert to the original language by pressing the undo key or ignoring the message, even if the language change results in an unintelligible interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the language setting is changed to support multilingual users, then the adaptability of the device is improved, but the ease of operation deteriorates when users accidentally select an unknown language
Solution Approach 1:
The system performs a preliminary action by displaying an undo key or confirmation message immediately after language change, before the user may need to revert. This preliminary display prevents the user from being trapped in an unknown language by providing an immediate escape path.
Solution Approach 2:
The system provides feedback by displaying confirmation messages or undo keys that inform users of the language change status. This feedback mechanism allows users to understand the current state and take appropriate action to revert if needed.
2Ease of operation
If the operation panel displays messages in both default language and set language, then the ease of operation is improved, but the device complexity increases due to larger display area requirements
Solution Approach 1:
Instead of displaying both languages throughout the entire interface, the system applies local quality by showing bilingual messages only in specific critical areas such as language setting screens and confirmation dialogs, where language awareness is most important.
Solution Approach 2:
The system performs partial action by displaying the default language message only when necessary (during language changes or on language setting screens), rather than continuously displaying both languages in all interface elements.
3Ease of operation
If the undo key is displayed for a predetermined time only, then the ease of operation is improved for accidental changes, but the reliability decreases if users need more time to notice the option
Solution Approach 1:
The undo key is displayed periodically or for a predetermined time duration after language change, creating a time-limited window for easy reversion. This periodic display balances quick correction capability with eventual system stability.
Data Source
AI summary
An image display apparatus including: a display configured to display various types of information to a user; an operation acceptor configured to receive a change of a language of the various types of information; and one or more controllers configured to control the display and the operation acceptor, wherein when the operation acceptor receives the change of the language, the controllers change the language and cause the display to display an undo key for changing the language back for a predetermined display time.