Powering Up/Down; Systems With Distributed Power Supplies; Status Led - Harman AKG SPC4500 Mode D'emploi

Powering Up/Down

Systems with Distributed
Power Supplies
Systems with PSU 4000
Central Power Supplies

Status LED

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• To prevent damage from overloading the antenna combiner power supply,
always switch power to the various components of your system on and off in
the order described below.
Powering Up:
1. Press the ON/OFF key on the antenna combiner to switch power to the antenna com-
biner ON. The status LED will be lit green.
2. Switch ON all transmitters connected to the antenna combiner.
Powering Down:
1. Switch OFF all transmitters connected to the antenna combiner.
2. Press the ON/OFF key on the antenna combiner to switch power to the antenna com-
biner OFF. The status LED will extinguish.
Powering Up:
1. Switch the PSU 4000 central power supply ON.
2. Press the ON/OFF key on the antenna combiner to switch power to the antenna com-
biner ON. The status LED will be lit green.
3. Switch ON all transmitters connected to the antenna combiner.
Powering Down:
1. Switch OFF all transmitters connected to the antenna combiner.
2. Press the ON/OFF key on the antenna splitter to switch power to the antenna splitter
OFF. The status LED will extinguish.
3. Switch the PSU 4000 central power supply OFF.
Green
Orange
Red
Off
The antenna combiner is
ON and connected to an
antenna approved by AKG.
The operating temperature
is within the safe range.
The operating temperature
has reached a critical level.
The antenna combiner is
overheating.
The antenna connected to
the antenna combiner is not
a type approved by AKG
Power to the antenna com-
biner is OFF.
The antenna combiner is
not connected to a power
supply.
The DC cable(s) is/are not
connected or defective.
The AC adapter or
PSU 4000 is defective.
Switch power to the antenna
combiner OFF and make
sure that the ventilation grill
is not obstructed.
Switch power to the anten-
na combiner OFF and make
sure that the ventilation grill
is not obstructed and the
power supply is connected
correctly.
Switch power to the anten-
na combiner OFF and con-
nect an SRA 2 W or
RA 4000 W antenna.
Switch power to the antenna
combiner ON.
Connect the antenna com-
biner to your power supply.
Connect or replace the DC
cable(s).
Contact your nearest AKG
Service Center.