JRC JMA-5206, Instruction Manual, Page: 92 / 462

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3.5
GENERAL OPERATIONS
3.5.1 Move Cross Cursor Mark by Trackball
The cross cursor mark + is used for position designation and other purposes in various operating
procedures. The cross cursor mark + moves in coupling with the trackball. If the trackball is rotated up
and down or right and left, the cross cursor mark follows the move of the trackball.
Operators must be familiar with trackball operation before running the system.
Operation inside Radar Video PPI
The cross cursor mark as shown at right is displayed inside the radar video PPI.
1) The distance and bearing between own ship and the cross cursor mark + , and the degrees of
latitude and longitude are indicated at the upper right of the radar display.
2) When moving the current center position, use the cross cursor mark to designate a new center
position.
3) Use the cross cursor mark to create marks and lines.
4) When the ATA function is installed as an option, use the cross cursor mark to acquire targets in
manual mode.
Operation outside Radar Video PPI
As shown at right, the cursor mark changes into the pointer
outside the radar video PPI.
1) Use the pointer to operate software buttons.
2) Use the pointer to select menu items.
* The EBL/VRL dial is available for operating the cursor mark. Pressing the EBL dial for two seconds can
perform switching to the trackball operation. For details, refer to Page 3-102.