Manual
9. Appendix
68
PLM+ SERIES Operation Manual rev 1.0.0
9.2. Maintenance
During normal operation this devices provides trouble-free service. If the LCD or front panel display requires
cleaning, use a soft cloth only; do not use solvent cleaners. The dust lters on both sides of the front panel, behind
the grilles, should occasionally be removed and cleaned to ensure maximum airow through the device.
Disconnect the unit from mains power prior to removing dust the lter, and ensure the dust lter is replace prior to
turning the unit back on.
Do not use sharp or metal objects to remove the dust lter, and be careful that the implement used to remove the
lter does not enter the device.
In extreme cases it may be necessary to clean the inside of the device. This procedure should only be carried
out by qualied service personnel. This may be necessary if the device has had prolonged operation in an
extreme environment such as one where cracked oil smoke machines are in use. If the device is used in extreme
conditions, it is recommended to have it serviced every three years as a preventative measure.
9.3. Factory Default Settings
9.3.1. Module Defaults
Module Type: 4 x CL1-Way
Mod Input Mute: On
Mod Output Mutes: Off
Gain: 0 dB (unity)
Delay: 0 ms
Polarity: Positive (In phase)
MaxRMS: 20 dB
MaxPeak: 21 dB
Amp Gain: 35 dB
ISVPL: 194 V
Input & Output EQ: Flat