JRC JMA-5206, Instruction Manual, Page: 366 / 462

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MBS
1. MBS Level
0
2. MBS Area
0
0. EXIT
Main Bang Suppression Level Adjustment (MBS Level)
Main Bang Suppression is adjusted to suppress main bang, a reflection signal from 3D circuit including wave
guide tube, that generally appears as a circular image focusing on the center of the radar display. Optimum
adjustment allows main bang image to remain lightly on the display.
CAUTION
Do not change this adjusted level carelessly.
Incorrect adjustment may erase targets in point-blank
range and cause collision, resulting in death or serious
injury.
This adjustment is made for settings in the processing circuit of the display unit.
Procedures 1 Perform the following operation before
setting.
•
Set the range to 0.125 nm.
•
Set the radar video enhance function.
•
Set the correlation processing function to
OFF.
•
Rotate the [AUTO-SEA] control to achieve
the strength with which main bang can be
judged.
•
Rotate [AUTO-RAIN] control to the
minimum position (counterclockwise fully).
•
Rotate [GAIN/PL] control to the maximum
position (clockwise fully).
2 Display the SP/ATA INIT Setup Menu.
3 Press [3] key.
The MBS Menu will appear.
4 Press [1] key.
The Code Input Menu will appear.
5 Enter the Main Bung Suppression
Level value.
Adjust the value to erase the main bang.
Exit 1 Press [RADAR MENU] key.
The Main Menu will reappear.