CLimiter/Protect indicator LEDs (channels 1 and 2) — These LEDs (representing output channels 1 and 2) light red under three circumstances:

1 2

LIMITER/PROTECT

When the output wiring is shorted together

When audio clipping occurs, the corresponding channel’s LED 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 also located on the rear panel.

DSignal indicator LEDs (channels 1 and 2) — These LEDs (representing input channels 1 and 2) light green only when an input signal is detected on the corresponding channel.

1 2

SIGNAL

NOTE: These LEDs are also located on the rear panel.

XTRA Series • Operation

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Extron electronic XPA1002, XPA2001-70V, XPA2001-100V manual Limiter/Protect