JMA-9100 Instruction Manual > 3.BASIC OPERATION > 3.2 OBSERVE AND ADJUST VIDEO
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3.2.3 Tune
This radar system provides the automatic tune mode and the manual tune mode.
The automatic tune mode automatically adjusts the tuning of the transmitting
frequency and the receiving frequency, and the manual tune mode enables tuning
to be adjusted by using the dial located on the operation panel. Normally use the
automatic tune mode. Only when the best tuning is not possible by the automatic
tune mode due to the deterioration of magnetron, use the manual tune mode.
The currently used tune mode is displayed in the area at the lower left of the
display.
3.2.3.1 When using the automatic tune mode
Procedures
1) Press the [TUNE] dial to set the automatic tune mode.
Tune adjustment is automatically conducted in the automatic tune mode. Tune is adjusted at
the start of transmission, at the change of the range or pulse width. Tune adjustment is
completed within several seconds.
3.2.3.2 When using the manual tune mode
Procedures
1) Press the [TUNE] dial to set the manual tune mode.
2) Turn the [TUNE] dial to make adjustments so that the tuning bar
is maximized. The tuning bar is displayed in the area at the upper
left of the display.
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.
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