•  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 mismatched, 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.  Open the Tune Peak Adjustment menu by performing the following 
menu operation. 
 
       1. Adjust Menu 
 → 4. TXRX Adjustment   
 → 2. Tune Peak Adjustment   
 
The tune mode seitching (lower left of the display  ⑫  on page 2-18) 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 Section 3.3.4. 
 
7.  Move the cursor onto the    ENT    button, and press the [ENT] key. 
 
 
 
7-5