Japan Radio Co. JMR-611, Instruction Manual

Page: 65 / 188

3.4 BASIC OPERATIONS
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3.4.4 Tune
Normally, use the automatic tune mode.
Use the manual tune mode only when best tuning is not possible in the
automatic tune mode due to deterioration of magnetron.
This radar system provides the automatic tune mode and the manual tune mode. The automatic tune mode
automatically adjusts the tuning of the receiving frequency, and the manual tune mode enables tuning to be
adjusted by using the dial located on the operation unit.
The tune mode currently being used is displayed in the tune mode button at the lower left of the screen.
(Fig2.3-
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When using the automatic tune mode
Procedures 1 Continue pressing [TUNE] dial until the character on the upper of the
tuning bar changes to “AUTO”.
Tune adjustment is automatically conducted. Tune is adjusted at the start of transmission,
at the change of the range or pulse length. Tune adjustment is completed within several
seconds.
When using the manual tune mode
Procedures 1 Continue pressing [TUNE] dial until the character on the upper of the
tuning bar changes to “MANUAL”.
The automatic tune mode will be cancelled.
2 Turn [TUNE] dial to adjust tune.
Adjust so that the tuning indication (lower left of the display) indicates the maximum.