Furuno FAR-21 7-BB Series, Operator'S Manual

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1. RADAR OPERATION
1-86
1.46 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. Note that neither
FAR-2157 nor FAR-2167DS carry a performance monitor.
1.46.1 Activating, deactivating the performance monitor
1. Roll the trackball to choose the MENU box and then push the left button.
2. Roll the wheel to choose 1 ECHO and then push the wheel or the left button.
[ECHO]
1 BACK
2 2
ND
ECHO REJ
OFF/ON
3 TUNE INITIALIZE
4 PM*
1
OFF/ON
5 SART
OFF/ON
6 WIPER
OFF/1/2
7 ECHO AREA*
2
CIRCLE/WIDE/ALL
* 1 Not available on FAR-2157/2167DS
* 2 Not available on IMO or A type
ECHO menu
3. Roll the wheel to choose 4 PM and then push the wheel or the left button.
4. Roll the wheel to choose OFF or ON as appropriate and then push the wheel
or the left button.
5. Push the right button twice to close the menu.
“PM” appears on the display when the performance monitor is active.
1.46.2 Checking radar performance
1. The radar is automatically set up as follows:
Range: 24 nm
Pulselength: Long
Shadow Sector: Off
STC: Off
RAIN: Off
Echo Stretch:
Off
Echo Average: Off
Video Contrast: 2-B
Tune: Auto
Gain: Initial setting (as set with PM GAIN ADJ at installation)
2. Turn on the performance monitor referring to paragraph 1.46.1.
3. After observing the results turn off the performance monitor.