Function Check - JRC JMA-9832-SA Instruction Manual

8.1

FUNCTION 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 8.1 Function Check List in the order as
specified in it.
Equipment
Transmitter- Tuning LED of Receiver
receiver Unit
Video and echoes on the screen
Sensitivity
CRT brilliance can be
controlled correctly
Various markers
Various numerical indications
Lighting
Safety Switch,
Various Currents and Voltages,
and Communication Lines
Display Unit
Panel
ARPA
Magnetron current
Performance Monitor
Error Logging Display
System Information Display
Table 8.1 Function Check List
Check Item
The LED is lighting during
operation
Can be correctly controlled
(1) Refer to Check of
(2) Refer to Check of Panel
(3) Refer to Check of ARPA
(4) Refer to Check of
(5) Refer to Check with
(6) Refer to Error Logging
(7) Refer to System
8 – 1
Criteria
Safety Switch,
Various Currents and
Voltages, and
Communication Lines
Magnetron Current
Performance Monitor
Display
Information Display
Remarks
48 NM range