Structure And Functions Of The Jog Dial; Structure And Functions Of The Track Ball - JRC JMA-5104 Instruction Manual

2.1.4 Structure and functions of the jog dial

Two jog dial operation modes are available.
One mode is roration mode roration mode roration mode roration mode, and other mode is short mode
Rotation mode : In this mode, items displayed on EBL/VRM/ATA display/menu changes when the
jog dial is turned.
characters displayed on the right-hand side indicates which rotation mode is the
current mode.
Purpose
EBL setting
VRM setting
Switching MARPA value
data display
Menu display
*At operation 1 and 2, EBL1, EBL2, VRM1, and VRM2 are displayed respectively.
Short mode : When menu display is not set, the mode is switched to EBL/VRM/ATA operation
mode whenever the jog dial is pressed.
This mode determines the menu of the line that was selected when a menu is
displayed.
(Same operation as (Same operation as [ACQ/ENT]) ) ) )
(Same operation as (Same operation as

2.1.5 Structure and functions of the track ball

Normally [TRACK BALL] is used for operating a cross cursor.
When [TRACK BALL] is moved, the distance from own ship and the azimuth are displayed at the
bottom-left corner of the screen. When navigation equipment is connected, the latitude and
longitude are also displayed. When a MARPA function is attached, a required target can be
captured by moving the cross cursor by operating [TRACK BALL] to the target.
By pressing the [OFF CENT] key, the center of PPI can be moved to the cross cursor position.
By moving [TRACK BALL] while pressing the [OFF CENT] key in long mode, the center of PPI can
be moved to the position of [TRACK BALL] consecutively.
short mode. short mode short mode
The cursor on the bottom-right of the screen and the
Rotation modes an mode display
Mode name
EBL mode
VRM mode
MARPA display mode
Menu selection mode
20
Characters that are displayed on the
bottom-right of the screen
JOG EBL1*
JOG VRM1*
JOG ATA
JOG MENU