Tuning - JRC JMA-5312-6 Instruction Manual

7.1.3

Tuning

[I] 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.
Procedures 1. Set the 48NM range or more.
2. Open the Serviceman Menu.
3. Open the Tune Adjustment menu by performing the following menu
operation.
The tune mode switching (lower left of the display ⑫ on page 2-18) is changed to
The tune dial position (lower left of the display on page 2-3) is changed to mediun
value.
4. Adjust the tune 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
[II] Tune Indicator Adjustment
Set the scale mark at the time of which tuning reached the maximum point.
Procedures 1. Set the 48NM range or more.
2. Open the Serviceman Menu.
3. Open the Tune Indicator Adjust menu by performing the following
menu operation.
4. Adjust the tune indicator adjustment value so that the tune indicator
bar at the upper left of the display reaches a point of 80 to 90% of the
maximum.
For how to input numeric data on the numeric value input screen, see Section 3.3.4.
5. Move the cursor onto the
1. Adjust Menu
→ 1. Tune Adjustment
MAN .
1. Adjust Menu
→ 4. TXRX Adjustment
→ 3. Tune Indicator Adjust
7-4
7.1 Settings at Installation
ENT button, and press the [ENT] key.
ENT button, and press the [ENT] key.
7