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CAUTION
7.3.2 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.
This adjustment is to set for the display processor circuit.
[I] Adjustment of Main Bang Suppression Level (MBS Level)
Procedures 1. Open the Serviceman Menu.
2. Perform the following menu open procedure to open the MBS adjustment
menu.
RADAR/TT Initial Setup
→ MBS
3. Set the radar as follows:
• Set the radar range to 0.125 NM.
• Set the radar video enhance function (ENH) to OFF.
• Set the image processing (PROC) to OFF.
• Turn the [RAIN] control to the minimum position (fully to the left).
• Turn the [GAIN] control to the maximum position (fully to the right).
• Turn the [SEA] control to achieve the strength with which main bang can be judged.
4. Increase or decrease numerical value by Left-clicking the ▲ / ▼ button
for the MBS Level.
5. Adjust the value so that the main bang can be erased.
[II] Adjustment of Main Bang Suppression Area (MBS Area)
Procedures 1. Open the Serviceman Menu.
2. Perform the following menu open procedure to open the MBS adjustment
menu.
RADAR/TT Initial Setup
→ MBS
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.
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