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2. RADAR, CHART RADAR OPERATION
2-50
3. Close the menu.
Note: The lengths and location of the arcs may change with the direction in which the
antenna unit is installed. Judge the strength of the echo that appears within 60° from
arc location to confirm if the radar is working properly or not.
Turn off the performance monitor when finished.
The following illustrations in the table are the examples when [ARC] is set to [5].
Note: The location of the arcs changes with the setting of [ARC].
2.32 Magnetron Reset (For A- and B-types)
After replacing the magnetron for the antenna unit, reset the TX time then adjust the
PM gain as follows:
1. Open the menu then select [8 INITIAL SETTING].
2. Select [9 MAGNETRON RESET].
3. Select [1 TX TIME] then set the transmit time to 000000.0H.
4. Select [2 PM GAIN ADJ].
5. Select [AUTO] or [MANUAL].
[AUTO]: PM gain is automatically adjusted. Go to step 7.
[MANUAL]: Set PM gain manually. Go to step 6.
6. Adjust the PM gain manually as follows:
Note: If the blind sector and the direction of the PM antenna overlap one another,
turn off the blind sector before adjusting the PM gain.
Display Transmitter, receiver state
Transmitter: Normal
Receiver: Normal
Transmitter and receiver:
No arc indicates 10 dB loss.
Contact your dealer for advice. (For a mag-
netron radar, have a technician check the
magnetron.)
8.1 NM to
10.1 NM
8.1 NM to
10.1 NM
1 TX TIME
4000H
2 PM GAIN ADJ
AUTO/ 0
INITIAL SETTING
← MAGNETRON RESET
MENU