Function Check - JRC JMA-9922-6XA Instruction Manual

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8.1
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-
receiver Unit
Display Unit
８

FUNCTION CHECK

Table 8.1 Function Check List
Check Item
Tuning LED of Receiver
Video and echoes on the
screen
Sensitivity
CRT brilliance can be
controlled correctly
Various markers
Various numerical
indications
Lighting
Safety switch and various
currents and voltages
Communication lines
Panel
ARPA
Magnetron current
Performance Monitor
Error Logging Display
System Information Display
Criteria
The LED is lighting during
operation
Can be correctly controlled
(1) Refer to Check of Safety
Switch, Various Currents
and Voltages, and Signals.
(2) Refer to Check of
Peripheral Units.
(3) Refer to Check of Panel.
(4) Refer to Check of ARPA.
(5) Refer to Check of
Magnetron Current.
(6) Refer to Check of
Performance Monitor.
(7) Refer to Check of Error
Logging Display.
(8) Refer to System
Information Display.
8-1
Remarks
48 NM range