Precision Power D500/1 - Manual (Page 7)

AMPLIFIER STATUS LEDS
The LEDs provide the following indications:
1. Power - These LEDs illuminates the center Precision Power logo
background when the amplifier power is turned on.
2. Short - These LEDs behind the PPI logo will flash to indicate a
short on the output.
2. Thermal - These LEDs behind the PPI logo will extinguish if the
amplifier is in thermal shutdown protection.
Note: Read the AP-IV Protection Circuit section for additional
information regarding Short and Thermal protection.
1 2
6