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The select initialization window will appear, with the ‘select from map’ option
highlighted.
1. Press
T
to initialize the receiver from the built-in worldwide map.
The Map Page will appear, prompting you to select your approximate present posi-
tion with the map cursor.
1. Use the
R
keypad to move the map cursor to a location close to your present position. If you
have difficulty identifying your exact position, press the
I key to zoom in to a lower map
scale.
2. Press
T
to confirm your selection.
The GPSMAP 230 will now begin searching for the appropriate satellites for your
present position and should acquire a fix within a minute or so. While the receiver
searches for satellites, a flashing satellite icon will appear at the left-hand side of the
status bar. A signal strength bar will also appear for each satellite in view, with the
appropriate satellite number under each bar. The progress of satellite acquisition is
shown in three stages:
• No signal strength bars— the receiver is looking for the satellites indicated.
• Hollow signal strength bars— the receiver has found the indicated satellite(s) and is
collecting data.
• Solid signal strength bars— the receiver has collected the necessary data and the
satellite(s) is ready for use.
Once the receiver has collected information from at least three satellites, the flashing
satellite icon on the status bar will quit flashing and remain solid, and the GPSMAP
230 is ready for use.
Now that the unit is initialized, let’s turn the unit off and then begin the Getting-
Started Tour.
To turn the GPSMAP 230 off:
1. Press and hold the
P
key for about 3 seconds, until the screen is blank.
2
GETTING STARTED
Initialization
A. Use the arrow keypad to move the cursor to a
location close to your present position.
B. Hollow signal strength bars will appear on the
Satellite Page while the receiver collects satellite
data.
update on 230.qxd 1/12/00 11:22 AM Page 2