Initial System Start-Up
Be sure to press the RESET switch when using the unit for the first time, after changing the car battery, etc.
1 Turn off the unit power.
2 Press 
(OPEN) to open the front panel, and then remove it.
3 Press RESET with a ballpoint pen or similar pointed object.
RESET switch
Adjusting Volume
Turn the Rotary encoder until the desired sound is obtained.
Lowering Volume Quickly
Activating the Audio Mute function will instantly lower the volume level by 20 dB.
Press 
/RTN to activate the MUTE mode.
The audio level will decrease by about 20 dB.
Pressing 
/RTN again will bring the audio back to its previous level.
Setting Time
1 | Press and hold FUNC./SETUP for at least 2 seconds |
| to activate the SETUP selection mode. |
2 | Turn the Rotary encoder to select CLOCK ADJUST, |
| and then press / /ENT. |
3 | Turn the Rotary encoder to set hour. |
4 | Press / /ENT. |
5 | Repeat steps 3 and 4 above to set hour and minute. |
6 Press and hold FUNC./SETUP for at least 2 seconds to return to normal mode.
•Pressing 
/RTN returns to the previous SETUP mode.
•If no operation is performed for 60 seconds, SETUP is cancelled.
•To synchronize the clock to another clock/watch or radio time announcement, press and hold 
/ 
/ENT for at least 2 seconds after setting the “hour”. Minutes will reset to 00. If the display shows over “30” minutes when you do this, the time will advance one hour.