FELCOM 82
H3-45
3.9.4 PCU Board
Parts No. Color Status Item Remarks
CR25 RED On FSK RX Monitor This LES is used to check the
communication between the antenna and
the comm. units. The brightness of the LED
depends on FSK data from the comm. unit.
Table
7.8.8
3.10 How to check angular rate sensor
Flip the angular rate sensor while the antenna unit is turned on, if the antenna changes
the angle by a large amount, the sensor may be defective.
3.11 How to check rotary joint
To check the rotary joint, carry out forced transmission, and then rotate the antenna by a
hand slowly. If the EIRP reading drops during the rotation, the rotary joint may be
defective.
D25
FSK
Use this hole to check
LED status.
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