Performance Check - JRC JMA-3400 Series Instruction Manual

9.3 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. Please take note of the results of checking,
the reason can be used effectively in the next check work.
Operational check shall be made in accordance with Table 9.3.1 Performance Check List in
the order as specified in it.
Equipment
Scanner Unit
Display Unit
Item to be checked
Tuning
Magnetron Current
Antenna Rotation
Gain can be
LCD brilliance can be
Marker can be
VRM can be
EBL can be
Communication Lines
Key
Key Light
Buzzer
Memory
Error Logging check
Software check
Table 9.3.1 Performance Check List
Chapter 9 MAINTENANCE AND CHECK
Criteria or Method
Can be adjusted tuning
at the manual tune.
Observe a weak echo
as far possible.
9.3.1 Test-System
Information
Scanner information
The bar is 50% more
Rotation speed can
change slow, when
small Range changing
to up.
Can be correctly
controlled using the
functional icon.
9.3.8 Self Test
Line Test
9.3.8 Self Test
Key Test
9.3.8 Self Test
Key Light Test
9.3.8 Self Test
Buzzer Test
9.3.8 Self Test
Memory Test
9.3.1 Test-System
Information
Error Log
9.3.1 Test-System
Information
System Information
Remarks
24NM or 48NM range
during transmitting
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