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Unique Broadband Systems Ltd. DRU1KW User Manual

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 Chapter 
5 
Operation 
 
SX03-20000-01-M01 5-9 
5.4.11 High Power Amplifier (HPA) 
 
The HPA front panel includes one (1) status LED to indicate HPA operation and alarm 
conditions. 
 
Figure 5-6 HPA 
 
 
1)  HPA Status LED Indicator 
 
Table 5-9 HPA Status LED Indicator 
 
LED 
Color 
Description 
Green 
HPA is in broadcast mode and the output target has been 
reached. 
Green/Blue 
Blink 
HPA is in broadcast mode and is ramping up to full 
power. 
Blue 
HPA is in standby mode with the 30 VDC source enabled. 
Green/Red 
Blink 
HPA is in standby mode with the 30 VDC source disabled. 
Red 
HPA is in broadcast mode and alarm is present. 
 
OFF 
HPA controller is powered off.