User's Manual

User Manual
Page 4 of 8
3. OPERATING INFORMATION
3.1 INTRODUCTION
This section contains general amplifier operating information
3.2 STATUS INDICATORS AND MONITOR CONNECTOR
The amplifier status indicators and alarms are described in Tables 3-1 and 3-2.
Table 3-1. High Power VHF Amplifier Status LED Indicators
STATUS LED FUNCTION
PWR ON
Green LED. Illumination indicates unit is on
EXCITER DRIVE
Green LED. Illumination indicates RF input power has been
applied
HIGH TEMP
Red LED. Activates when the amplifier exceeds a safe operating
temperature. Unit shuts down until safe operating temperature
returns
HIGH VSWR
Red LED. Activates when load VSWR > 3:1.
Amplifier shuts down.
Alarm active until RF input removed and reapplied
HIGH INPUT
Yellow LED. Illumination indicates RF input power exceeds safe
~125% of rated input power. Alarm active until RF input removed
LOW OUTPUT
Yellow LED. Activates when power drops due to low gain