1. Function Keys and Display Icons annotations
Function Keys
1. Rewind
2. Record, A-B
3. Power on/off, Play
Pause, Stop
4. Menu button, Enter
5. Next
6. MIC
7. Hold switch
8. Reset button
9. Earphone Jack
10. Volume +
11. Volume –
12. USB connector
Display Icons
13. Playback
14. Battery
15. Equalizer
16. Repeat
17. A-B
18. Volume
19. Lock switch
20. Function mode
21. File name
22. Numbers of Files
23. File info
24. Record mode
25. Numbers of Files
26. Remain record time
27. Total record time
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