Furuno GP-1640F, Operator'S Manual, Page: 69 / 108

11-1
11. CUSTOMIZING YOUR UNIT
This section describes the various options
which allow you to set up your unit to suit your
needs.
11.1 CHART SETUP
OPTIONS menu
The chart offset options menu provides three
menus: chart offset, track control, and chart
details.
1. Press the [MENU] key to open the main
menu.
2. Press the CHART SETUP OPTIONS soft
key.
CHART
SETUP
DGPS 3D
CHART OFFSET
CHART DETAILS
TRACK CONTROL
RETURN
Chart setup options menu
CHART OFFSET menu
In some instances position may be off by a few
minutes. For example, the position of the ship
is shown to be at sea while it is in fact moored
at a pier. You can compensate for this error by
offsetting chart position as follows:
1. Press the [MENU] key followed by the
CHART SETUP OPTIONS and CHART
OFFSET soft keys.
DGPS 3D
RETURN
SET
OFFSET
ZOOM
OUT
ZOOM
IN
CHART
OFFSET
135
°
12.345' E
34
°
12.345' N
OS
FROM
276.9
°
16.41 nm
RESET
OFFSET
Plotter display, chart offset selected
2. Use the cursor pad to place the cursor
where to offset chart position.
3. Press the SET OFFSET soft key.
4. Press the RETURN soft key to finish.
To cancel chart offset, press the RESET
OFFSET soft key at step 3 in the above
procedure.
TRACK CONTROL menu
This menu mainly controls track plotting
interval. For further details see Chapter 4.