Chapter 4 MAINTENANCE
4.3 PERFORMANCE CHECK
4-6
4.3 PERFORMANCE CHECK
Make operational check on the radar equipment regularly and if any problem is found,
investigate it immediately.
Pay special attention to the high voltage sections in checking and take full care that no
trouble is caused by any error or carelessness in measurement. Take note of the results of
checking, which can be used effectively in the next check work.
Operational check shall be made in accordance with Table 4.3-1 Function Check List in
the order as specified in it.
Table 4.3-1 Function Check List
Equipment Item to be checked Criteria Remarks
Transmitter-receiver
Unit
Tuning LED of Receiver The LED is lighting during operation 48NM range
Video and echoes on the
screen
Sensitivity
LCD brilliance can be
controlled correctly
Various markers
Various numerical
indications
Lighting
Can be correctly controlled
Safety Switch
Various Currents and
Voltages
See "■ Sensor Test" in "4.3.8 SELF
TEST".
Communication Lines
See "■ Line Test" in "4.3.8 SELF TEST".
Memory
See "■ Memory Test" in "4.3.8 SELF
TEST".
Panel
See "■ Key Test" in "4.3.8 SELF TEST".
Checking the Monitor
See "■ Monitor Display Test" in "4.3.8
SELF TEST".
Magnetron Current See "4.3.4 SCANNER INFORMATION".
Error Logging Display See 4.3.6 ERROR LOG.
Display Unit
System Information Display
See 4.3.2 SYSTEM INFORMATION and
4.3.3 SYSTEM TIME.
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