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1. RADAR OPERATION
1-43
[PICTURE MENU]
1 INT REJECT
OFF/1/2/3
2 ECHO STRETCH
OFF/1/2/3
3 ECHO AVERAGE
OFF/1/2/3
4 NOISE REJ
OFF/ON
5 AUTO STC
OFF/ON
6 AUTO RAIN
OFF/1/2/3/4
7 VIDEO CONTRAST
1/2/3/4/
A/B/C
8 [PULSE]
9 [CONDITION]
0 DEFAULT (ENTERX3)
1.26 Echo Stretch
The echo stretch feature enlarges targets in the range and bearing directions to
make them easier to see, and it is available on any range. There are three types
of echo stretch, 1, 2 and 3, and the higher the number the greater the amount of
stretching.
Note: The echo stretch magnifies not only small target pips but also returns
(clutter) from sea surface, rain and radar interference. For this reason,
make sure these types of interference have been sufficiently suppressed
before activating the echo stretch.
1. Roll the trackball to choose the PICTURE box at the left side of the display.
2. Push the right button to show the PICTURE menu.
PICTURE menu
3. Roll the wheel to choose 2 ECHO STRETCH and then push the wheel or the
left button.
4. Roll the wheel to choose desired echo stretch and then push the left button.
Chosen setting appears at the top left corner.
5. Push the right button to close the menu.