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Preventive maintenance | SRT LAN radar sensor S-band down-mast Service Manual
Performance monitor adjustment
To adjust the performance monitor:
1 Set the range to 36 NM
2 Adjust the gain value manually until you are able to see
a light noise background
3 Turn ON the performance monitor image (left side of
the image)
4 Adjust the performance monitor distance (B) to 50%
5 Adjust the noise level (C) until the ring appears clear with little noise
6 Adjust the performance monitor distance (B) again until the outer ring is located at 24 NM
¼ Note: There will be a 2-3 scans delay before the ring reaches its final position.
7 Adjust the value of the performance monitor open option (A) until the opening width of the
displayed noise ring is about 50° - 100° for X-band radars, or 180° for S-band radars
Timers reset
There is a timer that counts the number of hours the magnetron has been transmitting. The
system gives a warning when the magnetron is close to the end of its expected lifetime.
From the radar data dialog, it is possible to view the hours count and the magnetron end of
life status (which reports OK or FAIL).
When the magnetron is replaced, the timer must be reset.
The transceiver lifetime cannot be reset, however, all the other counters will be reset.
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