Lab.gruppen C 88:4 Operation Manual page 15

▸ Temperature mute (Yellow constant)
▸ VHF (Very High Frequency) protection active (output muted) (Yellow)
▸ Mute channel via NomadLink network (2x Yellow)
▸ CPL (Current Peak Limiter) active (Orange flashing),
▸ CPL constant (output muted): Lo impedance / Short circuitdetection
▸ Fault (Yellow plus Orange)
▸ VPL (Voltage Peak Limiter) active, VPL/Clip (Red)
▸ 4 dB signal level (Green)
▸ -10 dB signal level (Green)
▸ -40 dB signal level (Green),
▸ Hi-Imp open load detected (Red)
▸ Bridge mode operation on (Yellow). Ch. A+B or C+D bridged.
When no VPL, CPL or PAL indicators are illuminated,
and the VPL DIP-switch is set to maximum at the
specified nominal load, the amplifier channel is able
to deliver maximum rated output power.
Power on (Green)
PAL (Power Average Limiter) active (Red)
PAL
Option active (Yellow)
NomadLink network active (Blue)
When the network is connected, the blue NomadLink LED
will illuminate even when mains power is not connected.
NomadLink receives phantom power from the network
supplied by the NLB 60E.
C Series C 88:4, C 68:4, C 48:4, C 28:4 and C 16:4 Operation Manual rev 2.2.3
4. Quick Guide Overview
8