Adjusting Display Contrast And Brilliance; Selecting The Display Mode; Turning The Power Off - Furuno BACK GP-80 Operator's Manual

Note 1: When PDOP value exceeds 6 in the
3D mode, the position fixing method is
automatically changed to 2D.
Note 2: The "DEMO" icon appears when the
display is in the demonstration mode. To return
to normal mode, turn off the power and turn it
on while pressing and holding down the [NU/
CU ENT] key.
Note 3: Refer to page 10-2 about HDOP and
PDOP.

Turning the power off

Press the [POWER] key.
The next time you turn on the power the unit
starts up with the last used display mode.
1.3 Adjusting Display
Contrast and Brilliance
1) Press the [TONE] key. The display shown
in Figure 1-3 appears.
[–]
Tone:
Brilliance:
MENU : Escape
Figure 1-3 Screen for adjustment of display
contrast and brilliance
2) To adjust contrast, press t or s. Cur-
rent setting and setting range (0–31) are
shown to the right of "s".
3) To adjust brilliance, press
rent setting and setting range (0–4) are
shown to the right of " ".
Note: Operate cursor keys within 10 seconds
after pressing the [TONE] key. Otherwise, the
screen for adjustment of contrast and brilliance
will be cleared.
[+]
8 (0~31)
4 (0~4)
or . Cur-
1.4 Selecting the Display
Mode
1) Press the [DISPLAY SEL] key. The dis-
play shown in Figure 1-4 appears.
Select Display
Plotter 1
Plotter 1
Plotter 2
Highway
Navigation
Data
(DATUM: WGS-84)*
: Select
MENU : Escape
* Shows currently selected geodetic chart
datum.
Figure 1-4 Screen for selection
of display mode
2) Press the [DISPLAY SEL] key,
to select display mode. (When the [DIS-
PLAY SEL] key is pressed, the display
mode changes in sequence shown below.)
Selected display mode appears about 15
seconds later.
Plotter 1
Data
Sample displays of each display mode are
shown in the figures on the next several pages.
or
Plotter 2 Highway
Navigation
1 – 3