3 – 3
3.1
3.1.2 Degauss
Procedures
1. Press the 
DEGAUSS
 key to degauss the screen.
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
Procedures
1. Press the 
RANGE
 key to select any range between 6 and 96/120 nautical
miles.
Press the minus (-) side of the 
RANGE
 key to decrease the range.
Press the plus (+) side of the 
RANGE
 key to increase the range.
2. Turn the 
AUTO
TUNE
 control.
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
Procedures
1. Press the 
AUTO
TUNE
 control.
Select auto tuning mode, "AUTO" appears on the right of the tuning bar.
Exit
2. Press the 
AUTO
TUNE
 control again.
"AUTO" disapears on the right of the tuning bar, changes to manual mode.
Attention