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1. OPERATIONAL OVERVIEW
1-2
1.1 Operating Controls
1.1.1 Display unit controls
Overview of display unit controls
The radar, video plotter, sounder and chart systems are operated with the
controls of the display unit (and the remote controller). Ten keys are labeled and
they provide the function shown on their labels. The five soft keys provide
various functions according to current operating mode. The [ENTER] knob
mainly functions to register selections on the menu and adjust the EBL, VRM
and gain. The trackball’s main function is to move the cursor across the screen.
When you correctly execute an operation, the unit generates a beep. Invalid
operation causes the unit to emit three beeps.
Trackball*
Shifts cursor EBL/VRM and
cursor; selects menu items and options.
Displays the mode
selection window.
Soft keys
Momentary press:
Registers own ship's
position as a waypoint.
Press three seconds:
Marks man overboard
position.
Opens/closes the main menu.
Radar: Displays the soft keys for adjustment of
gain, A/C SEA, A/C RAIN and FTC (Model 1700
series radar only).
Sounder: Adjusts gain.
Long press: Turns power off.
Momentary press: Turns the power on;
opens the display for adjustment of brilliance
and hue; shows RADAR STBY/TX soft key.
ENTER knob
Push: Registers setting.
Rotate: Adjusts, gain, VRM, EBL, etc.;
selects menu items and options. May also
be used to enter alphanumeric data.
Clears data; erases selected mark.
Opens/closes the alarm menu.
Shows or hides the soft
keys, function keys,
nav data alternately.
Chart drive
Selects a range.
EBL
VRM
GAIN
ABC
1
JKL
4
STU
7
DEF
2
MNO
5
VWX
8
_'#
0
GHI
3
PQR
6
YZ&
9
Enter alphanumeric data.
Displays soft keys for EBL/VRM.
*: When it has been some time since the trackball was last operated, the cursor may not track the
movement of the trackball. In this case, move the trackball rapidly and then finely.
Control unit