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21. Power Switch
This is the main power ON/OFF switch
REAR PANEL
1. AC connection and fuse holder
This connector is used to supply main power to the unit. For instructions on how to change the fuse (bottom), see
"Replacing the fuse"
2. R/L XLR output
XLR for connecting speakers
3. Speaker output
Speaker output terminal for connecting speakers
4. DC 24V Input
The main DC power supply (24V) has to be applied to this connector. This is a standby power inlet to connect a 24V battery
5. REC output
RCA rec output for connecting a CD recorder, DVD-players, tape decks and other devices
6. AUX input
RCA line input connectors for auxiliary input
7. Switch for Phantom power/Switch for line/microphone
Phantom switch on when using a condenser microphone that needs 48V phantom power
Line/mic switch on for line/mic when using a microphone
8. Connector XLR
Connector for a microphone. Making any changes when the amplifier is powered up may cause loud bangs through the
system which can damage the speakers
9. Mic prio gain
Match the output voltage so that the signal is not overdriven, which may cause clipping and distortion
10. Antenna connection
This connector is used to connect an external antenna to get the best possible reception
REMOTE CONTROL (ONLY FOR MP3 MODULE)
1. Power
On/Off
2. Mode
Press to switch between modes: LINE IN/BT/DAB
3. Un(Mute)
Press to mute or unmute
4. EQ
Press to change EQ preset settings
5. Pause/Play
Press to pause/play MP3
6. Vol +/vol -
Press to increase/decrease volume
7. Previous/Next
Press to go to previous or next track
8. Scan
Press for scanning radio stations. When in DAB mode it will scan automatically
9. Repeat
Press to repeat track
10. Number pad
Numbers (0-9) to select numbers for songs
OPERATION
When all connections to the amplifier are made, turn all rotary controls down and switch on the power and the power button LED
will illuminate. Turn BASS and TREBLE controls to the 12 o'clock position (pointing straight up) and turn MASTER rotary control
up part way for testing.
•
Ensure a signal is being fed to one of the line inputs and gradually increase the volume control for that channel until the
output is heard through the speakers. Turn up the MASTER to the maximum required volume level and reduce the channel
volume control if necessary.
•
Note: The initial test can be made using the built-in USB/SD audio player. The output of the amplifier is represented on the
level meter LEDs. Anything longer than a short flash of this Clip LED may be indicating distortion or clipping of the output
signal and the MASTER should be turned down.
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