Tuning; Observation And Video Adjustment - JRC JMA-3910-4 Instruction Manual

3.1

3.1.2 Tuning

1. Press the
Procedures
nautical miles.
Press the left
Press the right
2. Turn the
Adjust the video for best presentation.
If radar display doesn't show a weak target, adjust the control until the turning bar on
the lower left of the screen indicates the maximum.
To use Auto Tuning mode
1. Press the
Procedures
Select auto tuning mode, "AUTO" appears on the right of the tuning bar.
2. Press the
Exit
"AUTO" disapears on the right of the tuning bar, changes to manual mode.

3.1.3 Observation and Video Adjustment

1. Press the
Procedures
observation.
2. Turn the
most clearly.
RANGE RANGE
or key to select any range between 6 and 120
RANGE
key to decrease the range.
RANGE
key to increase the range.
TUNE
control.
TUNE
control.
TUNE
control again.
RANGE RANGE
or key to select the range appropriate for
GAIN
BRILL
and
3 – 3
controls so that the target is displayed