Multi Channel Amplifier Operating Instructions
1.Function Instruction:
Power on Mode selector 3 positions: 12V ,Audio ,ON
Input source selector 3 positions: LINE IN, Global A, Global B
LEVEL/Volume :R, L 2 Channel / one LEVEL/Volume switch.
Output Function 2 Positions: STEREO,BRIDGE mode
Power Key Button: Power on/off selector
Power LED: Power on/off/stand‐by mode indicator
Channel LED :All Channels state indicator
2.Operating Instructions :
2.1 AC POWER SWITCH:
AC Power on/off : Turn on/off with AC Power Switch
2.2. Power on Mode ‐ 3 Positions: 12V Trigger, Audio, ON
12V :12V Trigger (power) mode is external control power feature. EMA –12070 is powered
from external 12 VDC. Without 12V input power provided after 10 mins, the device will go
into power‐off mode.
AUDIO : Audio: Audio (power) mode is that the power on/off mode and stand‐by mode
are controlled by Power Key button and Audio sensing control.
After it is switched on by pressing Power Key Button, the device is supposed to detect all
audio signals and then go into Power On mode once it receives any signal(s) ; The device
goes into Power Off mode by pressing Power Key Button.
This device will go into Stand‐by mode 10 mins after the last audio signal has been gone.
EMA‐120704‐2U/EMA‐61508
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