Onwa Marine Electronics KR-1338C v.1 - Manual (Page 35)

Echo stretch 1
Bearing
direction Bearing
direction
Range
direction
Echo stretch 2
Figure 3-3 Echo stretch
Note: This function magnifies not only targets but also sea clutter and radar inter-
ference. For this reason be sure the controls for adjustment of sea clutter and rad-
ar interference are properly adjusted before activating the echo stretch.
Note: ES1 is not available on Short Range.
3.4 Echo Trail
You can show the movement of all radar targets relative to your vessel in afterglow
vessel in afterglow. This function is useful for alerting you to possible collision
situations.
Starting echo trail
1. Press the [MENU] key to open the menu.
2. Select "ECHO TRAIL"by the omnipad.
3. Select "ACTIVATE"by pressing the [ACQ/ENTER] key.
Figure 3-4 How the echo trail feature work
TRAIL, the echo trail time selected (on "OTHER MENU") and elapsed time
appear at the top right-hand corner of the display. Then, afterglow starts extending
from all target.
Note: Trails are restarted when range or mode is changed or zoom or shift is turn-
ed on.
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