Furuno FCR-2107 series, Operator'S Manual

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2. Radar Operation
2-33
5. Spin the scrollwheel to select 1, 2, 3 or 4 (Dynamic Range) or A, B, C (Curve) as appropriate then push the
scrollwheel. Refer to the description and illustration below.
1-4: Control dynamic range. 1 provides the widest dynamic range; 4 is the narrowest dynamic range.
A: Mid-level in the curve is low, so this setting is suitable for suppressing rain clutter.
B: Curve between A and C.
C: Mid-level in the curve is high, so this setting is suitable for detecting distant targets.
CONTRAST CONTRAST
C
B
A
4
1
Video contrast settings
6. Use the trackball to select Sea Condition then push the scrollwheel.
7. Spin the scrollwheel to select appropriate sea condition then push the scrollwheel. The larger the number the
rougher the sea state.
8. Use the trackball to select Ant Height then push the scrollwheel.
9. Spin the scrollwheel to select appropriate radar antenna height (above the waterline) then push the scrollwheel.
10. If necessary, spin the scrollwheel to select Stc Range to adjust effective STC range, then push the scrollwheel.
The setting range is –10 to +10. The larger the number the longer the effective STC range becomes. (Note that
the keyboard cannot be used to enter the setting.)
11. If necessary, select Low Level Echo to reject low level echoes. The setting range is 0-8. The higher the figure,
the stronger the low level echo that is erased.
12.To save a program, click the Save button.
13. Click the Close window button (X) to close the PICTURE menu.
2.22.3 Restoring user settings
If you get lost in operation while adjusting the settings for a picture setup, you can easily restore user settings for
that picture setup. Note that user settings are deleted when default settings are restored.
1. Left-click the PICTURE box at the left side of the screen to select the picture setup option for which you want to
restore its user settings.
2. Push the right button to show the PICTURE menu.
3. Click the User button.
4. Click the Close window button (X) to close the PICTURE menu.
2.22.4 Restoring default picture setup options
Any of the radar functions programmed with the picture setup options may be adjusted as desired. If you get lost in
operation and want to restore the default settings for a particular picture setup operation, do the following:
1. Left-click the PICTURE box at the left side of the screen to select the picture setup option for which you want to
restore its user settings.
2. Push the right button to show the PICTURE menu.
3. Click the Factory button.
4. Click the Close window button (X) to close the PICTURE menu..