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installation
6
Install the unit proper in a 19-inch rack with four rack screws.
Make sure to have enough space for air circulation.
Connect the NF-inputs and outputs with the according plug connectors.
The input can be used symmetrical or unsymmetrical.
Important is, to check the right connection of the ground (shield) and signal.
Apply all the connectors as well as loudspeakers and monitoring contact.
At least connect the IEC plug - power supply 230V AC
Check all wiring and fasten them to the rack housing.
After turn-on of the amplifer, the Power LED glows.
Fault
On
DC
230V AC
Fault
On
Front view
LED-Indicators front:
Fault :
On :
Clip:
Signal:
24V DC:
230V AC:
Level Control:
Level:
Channel 1
Channel 3
Clip
Fault
Signal
On
VOLUME
VOLUME
Channel 2
Channel 4
Clip
Fault
Signal
On
VOLUME
VOLUME
amplifier block error, see trouble shooting next page
amplifier block ready
input signal to high
input signal is present
shows present accu voltage (working range 18-28V)
main power is present
input gain level Input 1-4 (not for Input B or Pilottone)
Clip
Signal
Clip
Signal
DPA4.150
DigitalPowerAmplifier
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