Furuno FAR 3220, Installation Manual

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3. SETTINGS AND ADJUSTMENTS
3-8
[1 RANGE UNIT]
For the B-type radar , select the range unit, NM, SM, KM or kyd then push the left but-
ton.
[2 MODEL]
Confirm the model of your radar. If this setting is different from your model, the radar
will not function properly. The number before a diagonal (12, 25, 30) is the output pow-
er (in kW). [UP], [DOWN] indicates the location of the transceiver unit. [UP] is in the
antenna unit, and [DOWN] means separate transceiver unit. [S-SSD] means S-band
solid state device. [X-NXT] means X-band solid state device.
[3 TYPE]
Select the type of radar: [IMO], [A] or [B].
[IMO]: IMO specifications
[A]: Near-IMO specifications
[B]: Non-Japanese fishing vessel specifications
Note: Reboot the processor unit when this setting is changed.
[4 ON TIME], [5 TX TIME]
These items show the number of hours the radar has been turned on and transmitted,
respectively. Value can be changed; for example, after replacing the magnetron for
magnetron radar. [TX TIME] can be reset to 0.
[6 PM GAIN ADJ]
Adjust the performance monitor,
automatically or manually, when-
ever the magnetron is replaced.
For automatic adjustment, no fur-
ther operation is required; close
the menu at the completion of the
adjustment. For manual do as
follows to adjust the performance
monitor gain.
1. Adjust the GAIN control so
that a slight amount of white
noise appears on the screen.
Arcs for the performance
monitor appear on the screen.
2. Select [PM GAIN ADJ] then spin the scrollwheel so that the outer arc faintly ap-
pears. The setting range is 0 to 255. Wait at least eight scans then right click to
set.
Note: Turn off a stern blind sector before adjusting the PM gain, to display the
echo from the performance monitor properly.
• Range: 24 NM
• Pulse Length: Long
• A/C SEA: OFF (turn off manually) • A/C RAIN: OFF (turn off manually)
• Echo Averaging (EAV): OFF
• Video Contrast: 2-B
Ex: When [ARC] is set to [5]
(The location of arcs changes with the setting of [ARC]
in [PERFORMANCE MON] in the [ECHO] menu.)
Approx. 12.1 NM (10 dB)
Before setup Before setup After setup After setup
8.0 NM to
19.8 NM 8.0 NM to
19.8 NM