Degauss; Tuning - JRC JMA-7710-6 Instruction Manual

3.1

3.1.2 Degauss

1. Press the
Procedures
Attention
Use this function only when degaussing is necessary due to misalignment of colors, etc. on the
screen.
A sufficient effect can be obtained from one cycle of degaussing. There is no need to perform
successive degaussing.
If it is inevitable to perform successive degaussing, wait at least 30 sec after the degassing key was
once pressed until that key is pressed again.

3.1.3 Tuning

1. Press the
Procedures
miles.
Press the minus (-) side of the
Press the plus (+) side of the
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.
Exit 2. Press the
"AUTO" disapears on the right of the tuning bar, changes to manual mode.
DEGAUSS key to degauss the screen.
RANGE
key to select any range between 6 and 96/120 nautical
RANGE
RANGE
TUNE
AUTO
control.
TUNE
AUTO
control.
TUNE
AUTO
control again.
3 – 3
key to decrease the range.
key to increase the range.