Furuno FAR 3220, Руководство по установке

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3. SETTINGS AND ADJUSTMENTS
3-6
3.6 Other Settings
This section describes the menu items not previously described.
3.6.1 [ECHO ADJ] menu
Open the main menu then select [9 RADAR IN-
STALLATION]

[1 ECHO ADJ] to open the [ECHO
ADJ] menu.
[1 VIDEO LEVEL ADJ]
Adjust the video level manually. Set the radar as fol-
lows:
Select [+] or [-]. Rotate the scrollwheel so that noise
just disappears from the screen. The setting range is
0 to 32. After completion of the adjustment the radar
goes into standby. If the noise does not disappear,
switch to [-]([+]) and try again.
[5 STC CURVE]
Use the default setting. Change the setting according to sea condition. The larger the
number the greater the STC effect.
[8 RING SUPPRESSION]
Remove “ring” noise which appears with the waveguide-type radar. Adjust so the rings
disappear at the range of 0.125 NM. The setting range is 0 to 255.
[9 VIDEO CONTRAST]
Select [LEGACY] for FAR-3xx0 series radar only.
Note: The [ADVANCE] setting is not available at this time.
• Interference Rejector (IR): 2
• Echo Stretch (ES): OFF
• Echo Averaging (EAV): OFF
• Gain: 80
• Range: 24 NM
• Pulse Length: Long
[VIDEO CONTRAST] set to [LEGACY] at installation:
CONTRAST
C
B
A
CONTRAST
LEVEL LEVEL
3 3 22
4 4 4
1 1