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2. RADAR, CHART RADAR OPERATION
2-42
2.28.3 How to select an antenna
For the ship that carries multiple antennas, you can select the antenna to use. Click
the [Antenna] button to select the antenna.
2.29 Performance Monitor
A performance monitor, installed in the antenna unit, is required for a radar installed
on a vessel of 300 GT and upward engaged in international voyages. Two units are
available:
X-band radar: PM-31 (9410 ± 45 MHz)
S-band radar: PM-51 (3050 ± 30 MHz)
How to activate, deactivate the performance monitor
To activate, deactivate the performance monitor, do the following:
1. Open the menu then select the [1 ECHO] menu. Select [6 PERFORMANCE MON]
(B type) or [5 PERFORMANCE MON] (IMO and A types).
2. Select [OFF] or [ON] as appropriate.
3. Close the menu. The message "PM" appears in the message area when the per-
formance monitor is active.
The radar is automatically set as follows when the performance monitor is activated.
Item
Setting at activation
of PM
Adjustable while PM
is active
Setting at deactivation
of PM
CONDITION Setting stored No Setting before activation
CUSTOMIZE
ECHO
Grayed out, setting
stored
No Return to active display
EAV OFF No Setting before activation
ES OFF No Setting before activation
GAIN
70 *
1
Yes*
3
Setting before activation
IR OFF No Setting before activation
LOW LEVEL
ECHO
Setting stored No Setting before activation
NEAR STC
CURVE
MID STC
CURVE
FAR STC
CURVE
Setting stored No Setting before activation
NOISE
REJECT
OFF No Setting before activation
OFF center OFF Yes Setting at deactivation
Presentation Mode
Setting stored *
2
Yes Setting at deactivation
PULSE LONG No Setting before activation
QV ECHO
LEVEL
Setting stored Yes Setting at deactivation
RAIN 0 No Setting before activation
RAIN AUTO MAN No Setting before activation