9
7. MUTING FUNCTION
Connect the supplied connector with lead wires to the muting switch terminal on the rear panel, and Turning ON
(shorting) the muting switch allows Mic 1 input to take precedence, muting signals of inputs Mic 2, Mic 3, Aux 1
and Aux 2 by 0 to 30 dB. The attenuation level is preset for –30 dB at the factory.
0
-30dB
ADJ
MUTE
MUTING SWITCH
Remark: About Mute Function
When make operates Mute SW, the mute circuit works promptly.
It returns to an old state about 3 seconds later when it does break of Mute SW.
Over 10 cm
Over 10 cm
Over 10 cm
8. INSTALLATION
Keep the unit’s all sides over 10 cm (3.94 inches) away from object that may obstruct air flow to prevent the unit’s
internal temperature rise.
9. VOLUME CONTROL SETTINGS
Output levels are adjustable with individual volume controls. For music play or announcement, adjust the
corresponding volume control so that the red peak indicator lights intermittently.
Note that the sound quality is downgraded when the peak indicator remains lit.
