120 20170-204a
Paragon
PD
Technical Manual
55
6.4.5.6
Reverse Power meter calibration
a)
Connect an unterminated 3dB pad to the PA output
(e.g. 3:1 VSWR)
.
b)
Toggle the front panel switch until the top line of the display reads
RFL PWR.
c)
Key the transmitter Exciter Carrier button.
Adjust VR7 so that the front panel meter is in agreement with the calibrated power meter (IFR).
6.4.5.7
Reverse Power Alarm Level
a)
Connect an unterminated 3dB pad to the PA output
(e.g. 3:1 VSWR).
b)
Adjust VR3 until the front panel SWR LED begins to flash
Note:
The LED should extinguish when the normal load is connected (connected to IFR).
Figure 30 - LMS Rear Panel
VR8 VR4 VR5 VR3 VR6 VR7 VR1 SW1