Performance Check - JRC JMA-2353 Instruction Manual

Chapter 4 MAINTENANCE

4.3 PERFORMANCE CHECK

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
Transmitter-receiver
Tuning LED of Receiver
Unit
Video and echoes on the
screen
Sensitivity
LCD brilliance can be
controlled correctly
Various markers
Various numerical
indications
Lighting
Safety Switch
Various Currents and
Voltages
Display Unit
Communication Lines
Memory
Panel
Checking the Monitor
Magnetron Current
Error Logging Display
System Information Display
4-6
Item to be checked Criteria
The LED is lighting during operation
Can be correctly controlled
See "■ Sensor Test" in "4.3.8 SELF
TEST".
See "■ Line Test" in "4.3.8 SELF TEST".
See "■ Memory Test" in "4.3.8 SELF
TEST".
See "■ Key Test" in "4.3.8 SELF TEST".
See "■ Monitor Display Test" in "4.3.8
SELF TEST".
See "4.3.4 SCANNER INFORMATION".
See 4.3.6 ERROR LOG.
See 4.3.2 SYSTEM INFORMATION and
4.3.3 SYSTEM TIME.
Remarks
48NM range