Automatic leg selection
chooses the route leg closest to your present position as
the active leg. If you have selected the manual leg selection option, you can manually
select any route leg as the active route leg by performing an ‘on-route’ direct-to. An
on-route direct-to will provide direct course navigation to the selected waypoint and
begin navigation of the remainder of the route in sequence, provided the auto leg
sequencing option is selected.
To manually select the active (starting leg):
1. Press
C
and use
O
to highlight the beginning waypoint of the desired leg from the
active route page.
2. Press
D
. Press
E
to confirm the waypoint.
The GPS 155 offers three
magnetic variation options:
true, auto or user defined.
To set the magnetic variation:
1. Press
S
and use
O
to display the ‘Mag Var/Arvl Alarm’ page.
2. Press
C
and use
K
to select auto, true or user.
3. If user is selected, use
O
to highlight the magnetic variation value and use
K
and
O
to enter the value, and E or W.
4. Press
C
.
If ‘auto’ is selected, all track, course and heading information will be corrected
with the magnetic variation computed by the GPS 155. The ‘true’ setting will refer-
ence all information to true north, while the ‘user’ setting will correct information to
the value you enter.
88
UNIT SETTINGS
Leg Selection/Mag Var Setup
Auto magnetic variation.
User magnetic variation.
155man (GOOD) 7/24/98 1:57 PM Page 88
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