JRC JMA-5312-6 - Main Bang Suppression Adjustment (Mbs)

[5] Display Style
Set one of the following date display formats.
YYYY-MM-DD Example: 20
07
-12-31
MMM DD
, YYYY Example: Dec 31, 2007
DD
MMM, YYYY Example: 31 Dec, 2007
[6] Synchronize with GPS
A ZDA sentence sent by the GPS is used, thereb
y
displaying time synchronized with
the GPS time.
On : Time synchronized with the GPS time
Off : Time not synchronized with the GPS time
* If On is selected for this item but a ZDA sentence is not input, the system internal
clock function is used to display the date and time.
4.16 MAIN BANG SUPPRESSION
ADJUSTMENT (MBS)
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 video focusing on the center of the radar display. Optimum adjustment
allows main bang video to remain slightly on the display.
Procedures 1. Open the Serviceman Menu.
2. Perform the following menu open procedure to open the MBS
adjustment menu.
9. SP/TT Initial Setup
→ 3. MBS
3. Set the radar as follows:
•
Set the radar video enhance function and video 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. Set 20 for 2. MBS Area .
5. Adjust the value set for 1. MBS Level so that the main bang remains
slightly.
6. Adjust the value set for 2. MBS Area so that the suppression area will
match the main bang.
4-17
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