Selecting a Different Heading Reference
You can select from
Auto Mag Var
,
True
,
Grid,
and
User Mag
Var
.
Auto Mag Var
provides magnetic north heading references
that are automatically determined from your current location.
True
provides headings based on a true north reference.
Grid
provides
headings based on a grid north reference (and is used in conjunction
with the grid position formats).
User Mag Var
allows you to specify the magnetic variation at your
current location and provides magnetic north heading references
based on the variation you enter. Enter the magnetic variation of
your current location in the
Magnetic Variation
field if you have
selected
User Mag Var
for the heading.
WARNING:
If you select
User Mag Var
, the unit does not
automatically calculate and update the magnetic variation at
your present location. You must update the magnetic variation as
your location changes. Failure to update this setting can result in
substantial differences between the information shown on your
unit and external references, such as a magnetic compass.
Welcome Sub Tab
The Welcome sub tab allows you to enter information, such as your
name and address, that the unit can show when it is turned on. This
feature can be helpful if your unit is ever misplaced.
To open the Welcome sub tab, press
MENU
twice to open the Main
Menu. Select
Setup
from the vertical tab list. Then select
Welcome
from the row of tabs along the top of the page.
Welcome Sub Tab
Enter the information in the fields. You do not need to enter
information in every field.
To show this information at start up, highlight the box next to
Show
at Power-up
. Press
ENTER
to place a check mark in the box. To
hide the welcome information at start up, remove the check mark
from the box.
GPSMAP 496 Owner’s Manual
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>
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Summary of Contents for GPSMAP 496
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