Introduction of key function
A key：In the dialogue interface, press A key, and then enter the language with the
language of Akey, and release theA key to complete the translation of the language
corresponding to the text and voice, and begin to play; The long press A key in the
unlocking state can enter the dialog interface directly
B key：In the dialogue interface, press the B key, and then the language of the B key
is used to input the speech, and release the B key, which is the translation of the
language of the text and the voice corresponding toAkey, and begin to play; The long
press B key can enter the dialogue interface in the unlocking state
Upper arrow keys: move the cursor upward when selecting;
Lower arrow keys: select time to move the cursor downward;
Left arrow key: move the cursor to the left when choosing;
Right arrow keys: move the cursor to the right when selecting;
Confirmation key: the general page is used as the confirmation operation after
selection, and some pages have functions of stop, pause/recovery, such as
"recording" and "play" interface;
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