DIGITAL POWER AMPLIFIER
7
DPX-300S/300D/600S
6. SETTING SWITCH
It is a switch that sets the operation of the device.
※
The SETTING switch must be set when the power switch is OFF.
If the power switch is set in the ON state, the set value is not recognized.
7. PRIORITY INPUT TERMINAL
It is a PRIORITY input terminal and consists of a balanced input and a contact input terminal.
When connecting the PRIORITY contact, the PRIORITY audio input takes priority over the input signal
of each channel.
※
This can be used to configure independent priority broadcasting using an amplifier in the local
area.
8. PRIORITY VR
The volume of the PRIORITY INPUT signal can be used to adjust the size of the output signal.
Turning it clockwise increases the output, turning it counterclockwise decreases the output.
※
Keep the Volume Level not too low as it is for priority broadcasting.
9. AUDIO INPUT TERMINAL
This is the audio signal input terminal connected to the amplifier.
As a balanced input, +: signal plus, -: signal minus, G: ground.
※
The terminals are linked so that each channel input can be connected to another input terminal.
1
100V/70V selector switch
A
AMP OUTPUT 100V output
B
AMP OUTPUT 70V output
2
AMP LATCH selector switch
A
Automatic recovery when AMP PROT occurs
(Auto recovery after 10-15 seconds)
B
Manual recovery when AMP PROT occurs
(POWER switch OFF/ON)
3
EARTH FAULT selector switch
A
Using the EARTH FAULT function
B
EARTH FAULT function not used
4
EARTH FAULT
output selector switch
A
Block AMP OUTPUT's output when
EARTH FAULT occurs
B
Maintain AMP OUTPUT's output when
EARTH FAULT occurs