2. RADAR, CHART RADAR OPERATION
2-13
1-4: Control dynamic range. 1 provides
the widest dynamic range; 4 is the nar-
rowest dynamic range.
A: The mid-level in the curve is low, so
this setting is suitable for suppressing
rain clutter.
B: Curve between A and C.
C: The mid-level in the curve is high, so this setting is suitable for detecting distant
targets.
5. Click [9 CONDITION].
6. Click [2 STC ANT HEIGHT].
7. Spin the scrollwheel to select appropriate sea condition then push the left button.
The larger the number the rougher the sea state.
8. If necessary, select [3 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.
9. To save the custom settings, select [SAVE] from [0 DEFAULT].
10. Click the Close button (X) to close the menu.
2.12.3 How to restore a user customized echo to saved setting
If you get lost in operation while adjusting the settings for a user customized echo, you
can easily restore the settings for that user customized echo saved at section 2.12.2).
1. Click the [Customize Echo] button on the Status bar then click the picture preset
option for which you want to restore its original user settings.
2. Right-click then select [Customize Echo Menu].
3. Click [0 DEFAULT].
4. Select [USER].
5. Click the Close button (X) to close the menu.
2.12.4 How to restore a user customized echo to factory default
settings
You can erase a customized echo options to restore its factory default options (see
the tables in section 2.12).
1. Click the [Customize Echo] button on the Status bar to select the customized echo
option for which you want to restore its user settings.
2. Right-click then select [Customize Echo Menu].
3. Click [0 DEFAULT].
4. Select [FACTORY].
5. Click the Close button (X) to close the menu.
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