JRC JMA-7110-6XA, Instruction Manual

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8 － 8
JMA-7100 Instruction Manual
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8.COUNTERMEASURE FOR TROUBLE ...
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8.3 PERFORMANCE CHECK
[2]
TXRX Test
Checks for signals from the scanner.
When no abnormality is found, OK is displayed. When an abnormality is found, NG is
displayed.
In standby, ** will appear.
[3]
Check of Communication Lines (Line Test)
Check the status of communications with options.
When no abnormality is found, OK is displayed. When an abnormality is found, NG is
displayed.
The status display field of equipment not connected is left blank.
[4] Supply Voltage
Check the voltage of internal power supply.
Scanner's safety switch check
Scanner rotation signal check
Heading line signal check
Check on the load current of high voltage in
the modulator
Radar trigger signal check
Radar video check
Check on connection with the transmitter-receiver
Check on connection with the signal processing circuit
Check on connection with the target tracking unit
Check on connection with the GYRO I/F unit
Check on connection with the interswitch
Item Normal operating range
12V 11.4 to 12.6V
5V 4.75 to 5.25V
3.3V 3.14 to 3.46V
Battery 2.5V or more
Safety Switch
AZI Pulse
HL Pulse
MH Current
Trigger
Video
TXRX
SIG. PROC
TT
GYRO I/F
ISW