1. OPERATIONAL OVERVIEW
1-70
1.47.2 How to check the radar’s performance
The range scale is automatically set to 24 NM. The radar screen will show arcs. If the
radar transmitter and receiver are in good working conditions in as much as the origi-
nal state when the monitor was turned on, the innermost arcs should appear between
8.0 NM to 19.8 NM. The performance monitor can observe a total of 10 dB loss in
transmitter and receiver.
How to set the number of arcs
The figure belows shows an example where [PM ARC] is set to [5].
Note 1: The lengths of the arcs can vary according to installation environment. Judge
the strength of the echo that appears within 60° from the arc location to confirm if the
radar is working properly or not.
Note 2: The location of the arcs changes according to the [PM ARC] setting.
Turn the performance monitor off when finished.
EAV OFF No Setting before PM activation.
IR 2 No Setting before PM activation.
NOISE REJECT OFF No Setting before PM activation.
VIDEO CONTRAST 4-B No Setting before PM activation.
PULSE LONG No Setting before PM activation.
2ND ECHO REJ ON No Setting at PM deactivation.
LOW LEVEL ECHO Previous setting kept,
fixed.
No Setting before PM activation.
WIPER OFF No Setting before PM activation.
CUSTOMIZE ECHO Previous setting kept,
fixed.
No Return to active display.
PRESENTATION MODE
No change. *
2
Yes Setting at PM deactivation.
RANGE 24 NM, 24 SM, 48 km
Yes *
4
Setting at PM deactivation.
OFF CENTER OFF Yes Setting at PM deactivation.
*
1
: Gain is automatically set according to [PM GAIN ADJ], if it was adjusted at installation.
*
2
: [NORTH UP RM] is selected when the [PRESENTATION MODE] is set to [NORTH UP TM].
*
3
: The setting is not memorized.
*
4
: The performance monitor is deactivated if the range is changed manually.
1) Open the [MAIN MENU].
2) Select [ECHO], then push the ADJUST knob.
3) Select [PM ARC], then push the ADJUST knob.
4) Select [2], [3], [5] or [6] as appropriate, then push the ADJUST knob.
5) Close the menu.
Setting
Setting at PM
activation
Adjustable
while PM
is active
Setting at PM deactivation
8.0 NM to
19.8 NM
8.0 NM to
19.8 NM
Display
Radar State
Display
Transmitter: normal
Receiver: normal
Transmitter and receiver:
No arc indicates 10 dB loss.
Contact your dealer for advice.
(For magnetron radars, have
a technician check the
magnetron.
Radar State
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