•    With the JMA-5312 radar: 
 
 
Adjusted this menu in factory. 
Don't touch this adjustment menu in normal case. 
When tune indicator and echo peak are mismatch, adjust this menu. 
 
 
[III] Tune Peak Adjustment 
 
Adjust the tune indicator and echo peak. 
 
 
 Procedures   1.  Adjust tuning by referring to Section " [I] Tune Adjustment ". 
 
2.  Adjust tune indicator by referring to Section " [II] Tune Indicator 
Adjustment ". 
 
3.  Set the 48NM range or more. 
 
4.  Open the Serviceman Menu. 
 
5.  Perform the following menu open procedure to open the Tune Peak 
Adjustment menu. 
 
       1. Adjust Menu 
  → 4. TXRX Adjustment   
  → 2. Tune Peak Adjustment   
 
The tune mode switching is changed to    MAN    . 
 
6.  Adjust the tune peak adjustment to get maximum echoes on a display 
when the tune indicator is maximum. 
 
For how to input numeric data on the numeric value input screen, see Instruction manual 
Secti
on 3.3.4. 
 
7.  Move the cursor onto the    ENT    button, and press the [ENT] key. 
 
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