Extron electronic XTRA SERIES manual When the output wiring is shorted together

CLimiter/Protect indicator LEDs — These LEDs (representing their respective output channels) light red under three circumstances:

1 2

LIMITER/PROTECT

•When the output wiring is shorted together.

•When audio clipping occurs, the LED of the corresponding channel blinks once per clip occurrence.

•When the amplifier overheats, both LEDs are lit. The LEDs are not lit after the amplifier recovers from the overheated condition.

NOTE: These LEDs are duplicated on the rear panel.

D Signal indicator LEDs — These LEDs (representing their respective output channels) light green only when an input signal is detected on the corresponding channel.

1 2

SIGNAL

NOTE: These LEDs are duplicated on the rear panel.

XTRA Series Half-Rack Audio Power Amplifiers • Operation 10