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18. A-B: A-B Screen Repeat key.
19. SLOW: Slow key (Only in DVD state).
20. SLEEP: Sleep Timing Power off key. Press this key to set the
system power-off at different times.
21. OPEN: Eject key.
22. CARD/USB/MEMORY: In the radio state, press this key to enter
Channel Saving State, then press "SKIP+/TUNE+" and "SKIP-/
TUNE-" or "CH+"/"CH-" key to select the stored channel, and press
again to confirm it; in DVD state, it is the CARD/USB Mode Switch
Menu Key, DISC/CARD/USB menu will appear when you press this
key, then select by Up and Down key, press OK key to confirm.
23. MUTE: Mute key. Each time you press it, it will switch between
Mute and Unmute.
24. MONO: FM Stereo Switch key. In FM state, press this key to set
the sound as stereo or mono.
25. EQ: Sound Effect key. You can set the sound effect as ROCK
JAZZ
POP
CLASSIC
NORMAL in turns.
26. : Back key. In ATV state, you can switch between the current
program and the previous program; in DTV and DVD menu state,
press this key to exit menu.
27. CH+/ /CH-/ : Channel Switch Up and Down key. In FM/DTV/
ATV state, press this key to switch program channels; when
entering system menu, this key will become Up and Down key .
28. AUDIO: Audio Switch key. In DTV state, press this key to display
the audio information of the current program, then press direction
key to switch audio channel; in DVD state, press this key to switch
audio channel.
29. OK: OK key.
30. SETUP: Set up key. In DVD state, it is the Menu on/ off key.
31. AL.SET/ALARM SET1/ALARM SET2: Alarm State Setting key.
You can set the state of alarm 1, alarm 2 as BUZZER/RADIO/TV.
32. / /Yellow/Blue: In DVD state, it is Fast Backward/ Fast
Forward key; in DTV state, you should operate by system prompt.
33. DTV MODE/ZOOM: In DTV state, it is the switch key of radio and
TV program. Press this key to switch between TV program and
radio program; in DVD state, it is the Zoom In key.