DIGITAL MULTI AMPLIFIER
7. MAIN POWER SWITCH
It is the MAIN SET power ON /OFF switch.
8. DC TERMINAL
It is the spare battery (24VDC) connecting terminal. In case of blackout of AC power, back-up battery will
supply the power.
It is the fan used to decrease the device inside temperature. Caution not to block the air vent of fan. Clean the
vent regularly not to be clogged due to dust, etc.
10. ID SETUP SWITCH
It is the switch that sets up the ID of each device when broadcasting. Refer to (page 13) for detail information.
11. HIGH PASS FILTER SWITCH
If selecting 400Hz for high pass filter switch, high pass filter will be operated with 400Hz / -3dB.
If selecting 65Hz for high pass filter switch, high pass filter will be operated with 65Hz / -3dB.
※CAUTION : when using the horn speaker, high pass filter switch should be selected to 400Hz. If not,
speaker connected may fail.
12. SIGNAL MAPPING SWITCH
It is the switch that converts the input signal to desire output, and refer to (page 10) for detail information.