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Chapter 2
BEFORE OPERATING
I. NAMES
A. Front
Ext. Antenna Port
(At side)
Built-in Antenna
B. Back
Serial Port for data communication (Under rubber cover).
II. ALL MODELS
A. GM-305-WT
With track recording, waypoints and routes functions, special designed for outdoors use
wherever in the open field, on the water or when exploring. You may preprogram your route,
input waypoint or set track recouding ON to void getting lost. You may also upload your track
logs to computer, e-mail it to your fellows for them to trace you or to share with you the
interesting places you have been.
B. GM-305-DT
In additional to GM-305-WT, there is a 2-MB built-in memory for map of cities, inter-city
roads or recreation area.
C. GM-305-HT
In additional to GM-305-WT, there is an 8-MB built-in memory for map downloading. You
may download any interesting places available in the map CD supplied by your local
distributor or HOLUX Web Site.
On-Off/ Blcklight
Page
Menu
Zoom-Out
Escape
Enter (Confirm)
Model No.
Zoom-In
Display
(At side)
Battery
Cartridge
7
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