1. RADAR OPERATION
1-96
1.47 Performance Monitor
A performance monitor is required for a radar installed on vessels 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).
The performance monitor is incorporated in the antenna unit. When the
performance monitor is active, the indication "PM" appears (in yellow) in the alert
box.
Note: The performance monitor is disabled when the Interswitch is active. See
section 1.45.2 for how to disable the Interswitch.
1.47.1 Activating, deactivating the performance monitor
1. Left-click the MENU box to open the menu.
3. Select 1 [ECHO] to open the ECHO menu.
[ECHO]
1 BACK
2 2
ND
ECHO REJ
OFF/ON
3 TUNE INITIALIZE
4 PM
OFF/ON
5 SART
OFF/ON
6 WIPER
OFF/1/2
7 ECHO AREA*
1
CIRCLE/WIDE/ALL
*
1
Not available on IMO or A type
8 [PICTURE SELECT]
9 STC RANGE
+00
3. Select 4 PM.
4. Select OFF or ON as appropriate.
5. Push the right button twice to close the menu.
"PM" appears on the display when the performance monitor is active.
1.47.2 Checking radar performance
1. The radar is automatically set up as follows:
Range: 24 nm Pulselength: Long
Shadow Sector: Off A/C SEA: Off
A/C RAIN: Off Echo Stretch: Off
Echo Average: Off Interference Rej.: Off
Video Contrast: 4-B Tune: Auto
Gain: Initial setting (as set with PM GAIN ADJ at installation)