3. SETTING AND ADJUSTMENT
3.5Suppressing Main Bang
If main bang appears at the screen center, suppress it as follows.
1.Transmit the radar on a long range and then wait ten minutes.
2.Adjust gain to show a slight amount of noise on the display.
3.Select the 0.25 nm range. Adjust sea clutter control to suppress sea clutter.
4.Press [5] key to choose the MBS on the [ECHO ADJ] menu.
[ECHO ADJ]
1BACK
2CABLE ATT ADJ AUTO/MANUAL 30
3HD ALIGN 000.0°
4TIMING ADJ
0
5MBS 0
6DEFAULT ANT HEIGHT 5/7.5/10/15/20/ 25/30/35/40/45/ more 50 m
7NEAR STC CURVE 2/2.5/3/3.5/4.2
8MID STC CURVE
3/4/5/6
9FAR STC CURVE 6/7/8
0RING SUPPSSION 0
5.Rotate the wheel to set a suitable value so that the main bang disappears. The setting range is 0 to 255.
6.Press the [MENU] key to finish.
