Lowrance lms-350a 操作指南

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页码 93
79
The following section describes each GPS alarm and its limits.
ARRIVAL ALARM
The arrival alarm sounds a tone when your position is within the alarm’s
radius of a waypoint. For example, the alarm sounds if you come within
.1 mile of a recalled waypoint if the arrival alarm’s setting is .1 mile. The
alarm is adjustable from .01 to 9.9 miles.
XTE ALARM
The XTE (cross track error) alarm sounds a tone when your cross track
error is greater than the alarm’s setting. Changing the XTE alarm also
changes the XTE range on the steering screen. The alarm is adjustable
from 0.0 to 9.9 miles.
ANCHOR ALARM
The anchor alarm sounds a tone when the present position moves outside
a preset radius. For example, if you set the anchor alarm to .1 nautical mile
(600 feet), then the alarm will sound if you move more than 600 feet from
the location where you set the alarm. It’s adjustable from 0.01 to 9.9 miles.
CHANGING GPS SETTINGS
For the fastest acquisition of satellites, the LMS-350A must be initialized
when it’s turned on for the first time. This is described at the beginning of
the GPS section in this manual. However, if you need to change only one
of the parameters (such as time), use the menu features in the “CHANGE
SETUP” menu. To do this, press the MENU key, then press the key next
to the “Change GPS Settings” label. Finally, press the key next to the “Set
Lat, Lon, Alt, Time, Date” label. The screen shown below appears.
Using the menus on this menu pages, you can change the Initial Position,
Time, Date, or Altitude without
affecting any other initialization
setting. All of these menus work
identically to the ones described
in the initialization section at
the beginning of the GPS sec-
tion. After you make a change,
the unit returns to the GPS or
plotter screen.
You may need to re-initialize
the unit if you move a long
distance (over 100 miles) with the unit off. In this example you would need
to enter a new initial position to help the LMS-350A find the correct
satellites quicker.