Magellan 310 - Manual (Page 65)

Reference
Selecting NAV Units — Allows you to select the units of measure that will
be used when displaying navigational data. Options are: Miles/MPH,
NM/Knots or KM/KPH.
Any
MENU Highlight
Setup
Highlight
Nav Units
Select
Nav Units
ENTER
ENTER ENTER From
Screen
Default: Miles/MPH
Selecting the North Reference — Allows the selection of whether the
Meridian uses True North, Magnetic North, Military True or Military
Magnetic as its North reference.
Any
MENU Highlight
Setup
Highlight
North Reference
Select ENTER
ENTER ENTER From
Screen
North
Reference
Default: Magnetic
Setting the Backlight Timer — Allows you to set the time interval that
will be used to turn off the display backlight when not in use. Times
available are: 30 seconds, 1 Minute, 2 Minutes, 4 Minutes, 10 Minutes
or Timer Off.
Any
MENU Highlight
Setup
Highlight
Light Timer
Select ENTER
ENTER ENTER From
Screen
Timer
Duration
Default: 4 Minutes
Magellan Meridian GPS Receiver 55