MDC-7000/7900 Series
Chapter 9 Simple fault diagnosis
0093169010-10
9-7
9.6
No radar video display
This procedure is applied when no radar video (Echo) is displayed on the display.
1
Press MENU key to display
“Menu”.
Select [MAINTENANCE] => [BITE] => [ANT MONITOR] =>.
2
Antenna status will be displayed.
3
Turn trackball to left to complete.
Antenna status criteria in step 2
Connected scanner model name and type:
HIGH VOLTAGE: If the value is other than xxx to xxx, indicates high voltage malfunction.
MAG CURRENT MONI: If the value is other than xx to xxx, indicates magnetron malfunction.
MAG HEATER: If the value is other than xx to xxx, indicates magnetron malfunction.
MOTOR MONI:
TUNE VOLTAGE: If the value is other than xx to xxx, indicates magnetron or Front End Module failure.
RATE OF ROTATION: Antenna rotation (rpm)
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