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