Tuning (Tune Adjustment) - JRC JMA-7133-SA Instruction Manual

JMA-7100 Instruction Manual
7.1.3

Tuning (Tune Adjustment)

Adjust the tuning control for the transmitter and receiver.
The turning control should be adjusted when the system is installed or when the
magnetron is replaced.
7.1.3.1 Tune Adjustment
Procedures
1) Set a range of 48 NM or more.
Open the Serviceman Menu.
2)
Perform the following menu open procedure to open the Tune
3)
Adjustment menu.
→
4) Adjust the tune adjustment value so that the tune indicator bar at
the upper left of the display is maximized.
For inputs to the value input screen, refer to Section 3.3.4.3 "Increasing or decreasing a
numeric value".
5) Move the cursor onto the
7.1.3.2 Tune Indicator Adjustment)
Set the scale mark when the tune indicator bar reaches the maximum point.
Procedures
Set a range of 48 NM or more.
1)
2) Open the Serviceman Menu.
3) Perform the following menu open procedure to open the Tune
Indicator Adjust menu.
→
4) Adjust the tune indicator adjustment value by operating the
＋
left of the display reaches a point of 80 to 90% of the maximum.
For inputs to the value input screen, refer to Section 3.3.4.3 "Increasing or decreasing a
numeric value".
5) Move the cursor onto the
>
7.SETTINGS FOR SYSTEM OPERATION
1. Adjust Menu
1. Tune Adjustment
1. Adjust Menu
4. TXRX Adjustment
→ 3. Tune Indicator Adjust
/ button so that the tune indicator bar at the upper
－
7－ 5
>
7.1 SETTINGS AT INSTALLATION
button, and left-click .
ENT
button, and left-click .
ENT
7