1. OPERATIONAL OVERVIEW
1-7
4. Roll the trackball to choose the menu item desired and then press the
ENTER
key. A window
with options for the corresponding menu item appears. For example, the window below shows
the options for Trail Color in the Target Trails menu.
Target trails color options
5. Roll the trackball upward or downward to choose appropriate option.
6. Press the
ENTER
key to save your selection.
7. Press the
MENU
key to close the menu.
Note:
The menus on the IEC-type radar close automatically when there is no menu operation for
10 seconds, as per IEC regulations. The following menus and screens however are exempt from
this rule: Alarm message, GPS self test, Satellite monitor, TYPE 16 message, Diagnostic, LCD
pattern, and Tune initial adjust. Menus do not close automatically in the “River” or “Sea” configu-
ration.
1.6
Tuning
The radar receiver can be tuned automatically or manually, and the default tuning method is auto-
matic. If you require manual tuning, do the following:
1. Use the
RANGE
key to choose the 48-mile range.
2. Press the
MENU
key to display the main menu.
3. Use the trackball to choose Echo and then press the
ENTER
key.
4. Use the trackball to choose Tune Mode and then press the
ENTER
key.
Tuning options
5. Choose Manual and then press the
ENTER
key.
6. Choose Manual Tune and then push the
ENTER
key. The window shown below appears.
7. Roll the trackball upward or downward to adjust the tuning, watching the tuning bar at the top
right corner. he best tuning point is where the bar graph swings maximum. The vertical bar on
the bar graph shows tuning control position; not the tuning condition.
Tuning indicator
8. Push the
ENTER
key to finish.
9. Press the
MENU
key to close the menu.
Green
Red
Blue
White
Black
Auto
Manual
2048
(0-4095)
TUNE MANL
GAIN AUTO
SEA MANL
RAIN AUTO
Tuning method (Manual)
Tuning bar
