Adjustment Of Performance Monitor (Ssr Mon) - JRC JMA-9172-SA Instruction Manual

JMA-9172-SA Instruction Manual
7.3.4

Adjustment of Performance Monitor (SSR MON)

Attension
Replace the Antenna unit, TRX Module(CMN-750), performance monitor circuit
(CAY-71), and radar process circuits (CHA-396, CDC-1349, CMH-2246), adjust
the perfomance monitor according to the procedures in this section:
[i] Transmission Monitor Adjustment (Tx MON Adjustment)
The radar system is equipped with an interswitch.
For adjusting the performance unit, set the interswitch connection to
straight, i.e. No.1 scanner is connected to No.1 display unit as the Master.
Procedures
1) Open the Serviceman Menu.
2) Perform the following menu open procedure to open the "Tx
Monitor Adjustment" menu.
1.Adjust Menu
→4.TXRX Adjustment
Adjust the "Tx MON Adjustment" value to "0.0 ± 1.0dB" by
3)
operating the "+" / "-" button.
4) Left-click the "ENT" button.
3
>
7.SETTINGS FOR SYSTEM OPERATION
→7.SSR MON Setting
→2. Tx MON Adjustment
4
7－ 35
>
7.3 ADJUSTMENT
Adjust to "0.0±1.0dB"
5
7