7-5
• With the JMA-5912 radar:
For this model, perform Tune Peak Adjustment explained below.
After the above adjustment procedure, perform the adjustment procedures below.
[II] Tune Peak Adjustment
Adjust the tune indicator and echo peak.
Procedures 1. Set a range of 48 NM or more.
2. Open the Serviceman Menu.
3. Open the Tune Peak Adjustment menu by performing the following
menu operation.
1. Adjust Menu
→ 4. TXRX Adjustment
→ 2. Tune Peak Adjustment
4. Adjust the tune peak adjustment value so that the tune indicator bar at
the upper left of the display is maximized.
For how to input numeric data on the numeric value input screen, see Section 3.3.4.
5. Move the cursor onto the ENT button, and press the [ENT] key.
7.1.4 Bearing Adjustment
Make adjustment so that the bearing of the target measured with the ship’s compass matches the bearing of
the target echo on the radar display.
Procedures 1. Select H Up for the bearing presentation. Set video processing (PROC)
to OFF.
2. Measure the bearing of an adequate target (e.g., a ship at anchor, a
breakwater, or a buoy) relative to own ship’s heading.
3. Open the Serviceman Menu.
4. Open the Bearing Adjustment menu by performing the following menu
operation.
1. Adjust Menu
→ 2. Bearing Adjustment
5. Adjust the bearing adjustment value so that the target measured in
step 2 is adjusted to the correct bearing.
For how to input numeric data on the numeric value input screen, see Section 3.3.4.
Make adjustment by the 0.1°.
6. Move the cursor onto the ENT button, and press the [ENT] key.
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