Operation Manual
4. Product Overview
12
C SERIES Operation Manual rev 2.0.0
4.1.2. Front-panel LED’s
The front-panel LED area includes the following indicators per channel:
• 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 ashing)
• CPL (Orange constant with output muted): constant (output muted): Low impedance / short circuit
detection
• Fault (Yellow plus Orange)
• VPL (Voltage Peak Limiter) active, VPL/Clip (Red)
• -40 dB signal present (Green)
• Hi-Imp open load detected (Red)
• Bridge mode operation on (Yellow). Ch. A+B, C+D, E+F, G+H bridged.
(PWR) Power on (Green)
(PAL) Power Average Limiter active (Red)
NomadLink network active (Blue)
NOTE: When no VPL, CPL or PAL indicators are illuminated, and the VPL DIP-switch is set to
maximum at the specied nominal load, the amplier channel is able to deliver maximum rated output
power.
NOTE: 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.
Figure 4.1.2a: Front panel LED display
Figure 4.1.2b: Power and PAL LED display