Koden MDC-5204, Installation Manual

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MDC-5200/5500 Series Chapter 4 Setup after installation
0092655002-03 4-5
4.1.5 Antenna cable length (ANT CABLE)
This adjustment corrects the echo signal level by the difference of the antenna cable length.
Inproper setting of antenna cable length may result in degraded target detection.
(1) Press MENU
key to display “Menu”.
Select [MAINTENANCE] => [STARTUP] => [ANT CABLE] => and set cable length by the
trackball/joystick, then press ENT key to save the setting.
Setting value: 0 to 100 m
Note: When you use inter-switch mode at first time, please set ANT CABLE adjustment cable of each
antenna. These setting data are memorized in non-volatile memory, and automatically when
each antenna is selected.
4.1.6 Main Bang Suppression (MBS)
This setting is utilized to suppress the center spot (transmit leak) signal at the short and middle of the
picture as shown in Figure 4.2.
(1) If GAIN mode is AUTO, change to MAN mode.
(2) Set the range scale to 0.25 NM, set RAIN at 0 turning
RAIN knob, set SEA at 0 by turning SEA knob, set GAIN
at 80 by turning GAIN knob, and set BRILL at a
maximum level by turning BRILL knob respectively.
(3) Press MENU key, select [MAINTENANCE] =>
[STARTUP] => [MBS] => to highlight the last digit value,
using the trackball/joystick.
(4) Turn GAIN knob to counterclockwise to display center
spot in the middle of the picture.
(5) Move the trackball/joystick up or down to increase [MBS] value from 0 with observing the center
circle until the circle is faded out. Press ENT key to save the setting.
Adjustable value: 0.000 to 2.000
Transmit leak
Figure 4.2 Center spot