Operation
Switching on the subwoofer
ON AUTO
GAIN PHASEPOWER
SUB LowpassSAT Highpass
Min Max
0° 180°
~ 50/60Hz 3.15A
FUSE T3.15A L 250V
OFF
ON
2.
3.
1.
4.
Once you have ensured that all necessary connections have been made, the subwoofer and the connected
components can be switched on.
1. Connect the subwoofer to the mains power.
2. Switch the subwoofer on with the main POWER switch on the rear panel.
3. The status LED on the rear of the subwoofer will indicate red.
4. Select a power mode with the Power switch on the rear panel.
Power modes
On: the subwoofer is switched on permanently
Auto: when a music signal is detected, the internal amplifier is activated automatically. The status LED on the
back of the subwoofer will indicate green. As long as a music signal is present on the subwoofer input, it will
remain switched on.
After 15 to 20 minutes of not sensing any input music signal, the subwoofer will switch itself to Standby mode
automatically. The status LED on the back of the subwoofer will indicate red.
Note
To switch the subwoofer completely o, set the main POWER switch to the OFF position.
14 Professional Audio Subwoofers User manual