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TD-001571-01-A
AC Mains Disconnection
Push in on the bottom of the rocker switch to turn the powered loudspeaker off. Unplug the AC cable from the power
source. Unplug the cable from the amplifier.
Power Switch
Push in on the top of the rocker switch to apply AC mains power to the amplifier.
Rear LED POWER Indicator
The green LED POWER indicator on the rear panel will illuminate when the AC Power is applied (AC cord connected,
power switch on). The rear LED POWER indicator will extinguish when the AC Power has been removed.
If the rear LED POWER indicator does not illuminate within the first 15 seconds after power is applied, verify the AC mains
line cord is properly attached to the loudspeaker and plugged into the AC outlet. Verify the AC outlet is functioning properly.
NOTE: If the AC mains cord is usable and the AC mains outlet is operating properly, but the unit fails to
operate, the loudspeaker may require servicing. Contact QSC’s Technical Services department.
System Power Sequencing
Proper power turn on/turn off sequencing can help to prevent unexpected sounds from being produced by the system
(pops, clicks, thumps). Always follow the rule that loudspeakers are “last on, first off”.
Power On Sequence:
1. Bring the output level control of the mixer (or other audio source) feeding your loudspeakers to its minimum position.
2. Turn on all source devices (CD players, mixers, instruments)
3. Turn on subwoofer
4. Turn on the “top-boxes” (CP8 / CP12).
5. The level controls on your mixer may now be brought up.
Power Off Sequence:
1. Turn off “top boxes,”
2. Turn off subwoofer,
3. Turn off all source devices.
If a CP Series loudspeaker is being driven from the output of another CP Series unit, it should be turned on after the unit
feeding it signal, and turned off before the unit feeding it signal.
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