MDC-2900 Series
Chapter 3 Setup after installation
0092629012-07
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3.1.5 Display bearing adjustment
The bearing of a target on the radar screen can be adjusted.
(1) Change the range scale to 1 NM or more by pressing “+” (or “-”) key on the Operation unit.
(2) Select a visible fixed object as far as possible and measure its bearing using magnetic
compass or equivalence. Measure the bearing of the same target on the radar screen.
Adjust it according to the following procedures when both values differ 1 degree or more.
(3) Press [MENU] key, select MAINTENANCE => STARTUP => HL OFFSET => VALUE will
show the current setting of the input value by highlighting the last digit value by the
trackball.
(4) Roll the trackball up or down to adjust the value to match the bearing value of the target
picture to the compass value.
(5) Press [ENT] key to save the adjustment result.
3.1.6 Setup of MBS value (Main Bang Suppression)
This setting is utilized to suppress the center spot signal at the middle of the picture as shown in
Figure 3.2.
(1) Set range to 0.25 NM, RAIN knob to 0, SEA knob to
0, GAIN knob to 8, and brilliance set to bar maximum
respectively.
(2) Press [MENU] key, select MAINTENANCE =>
STARTUP => MBS => to highlight the last digit value,
using the trackball.
(3) Turn SEA knob to display center spot in the middle of
the picture.
(4)
Roll the trackball 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.
Transmit leak
Figure 3.2 Center spot
Transmitting leak