The amplifier should never be operated
MUTE-Channel
mutes due to a fault condition(Red) without the dust-
filters in place.VPL-Voltage Peak Limiter(VPL) active
SIG-Signal levels -40dB(sig) to -4 dB
Front
Panel
LED
Field
HI-IMP-High impedance/open
load detected
TEM-Temperature mute(Yellow
constant)
VHF-Very High Frequency protection active(output mute)(Red constant)
CPL-Current Peak Limiter(CPL) active(Red flashing)
or Low impedance/short circuit fault detected(Red constant with output muted)
BRIDGE-Output in bridge mode
PARALLEL-Input in parallel mode