Switching the Sound Off Temporarily
You can switch the sound off temporarily.
Example: You wish to answer the telephone.
1 Press the MUTE 
button.
Result: The sound is switched off and “Mute” is displayed.
2 When you wish to turn the sound back on, press the MUTE 
button again or either of the volume buttons.
Result: The sound comes back on as the same volume as before and the “Mute” indication disappears.
Selecting the Sound Mode
You can set the sound mode by pressing the "DUAL" button.
When you press it, the current sound mode is displayed on the screen.
| Audio Type | DUAL 1/2 | Default | ||
| Mono | MONO | Automatic | ||
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FM | Stereo | STEREO | MONO | change | |
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Stereo | Dual | DUAL 1 | DUAL 2 | DUAL 1 | |
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| Mono | MONO | Automatic | ||
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| Stereo | MONO | STEREO | change | |
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NICAM |
| MONO | DUAL 1 |
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Stereo | Dual | DUAL 1 | |||
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| DUAL 2 | ||||
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If the receiving conditions deteriorate, listening will be easier if the mode is set to Mono.
If the stereo signal is weak and automatic switching occurs, switch to Mono.
