User`s manual
XTRA Series • Operation
Operation
3-2
Front Panel Features and Operation
XPA 1002
12
LIMITER/PROTECT
SIGNAL
OVER
TEMP
XPA 1002
Front Panel
1
3a2
4a
XPA 2001
LIMITER/PROTECT
SIGNAL
OVER
TEMP
XPA 2001-70V,
XPA 2001-100V
Front Panel
3
b
2
4
b
1
a
Power indicator LED — This LED lights:
• Green when the amplier is receiving full power.
• Amber when the amplier is in Standby mode. Standby
mode turns off all outputs from the amplifier, although the
amplifier is still receiving power.
See
f
of “Rear Panel Features and Operation” in this chapter.
b
Over Temp indicator LED — This LED lights red when the
amplifier exceeds the recommended ambient temperature for
optimal lifetime. The LED will turn off after the amplier has
cooled down sufficiently.
Should the LED light, check the following:
• Verify that the placement of the amplier allows for adequate
ventilation and airflow.
• Avoid placing other equipment on top of the amplier.
• Verify that the operating temperature is within the specied
range.
Ñ
Limiter/Protect indicator LEDs (channels 1 and 2) — These
LEDs (representing output channels 1 and 2) light red under
four circumstances: