Holux GM-120 User manual

Main Features
•Point tracking/Route recording
•Object quick search
•Gray level display
•20 parallel satellite-tracking channels for fast acquisition and
reacquisition (TTFF)
•Waterproof—ideal for outdoor sports
•Specially designed for personal navigation, mountaineering,
investigation and military purposes
•WAAS (North America) and EGNOS (Europe) GPS receiver with
accuracy to 3 meters
•Features an electronic compass and altimeter sensor (GM-120B,
GM-120C)
•Battery life up to 20 hours (normal use, GM-120A)
•Detail map (GM-120C).
Quick Start Guide
Holux Handheld GPS
GM-120

1
Package Contents
Before you start using your GM-120 Handheld GPS Navigator, make sure
that your package contains the following items. If anything appears to be
missing or damaged, contact your local Holux dealer or distributor for a
replacement.
GR-120 Handheld GPS
Navigator Documentation (Quick Start Guide and Warranty Card)
Li-Ion battery Power/USB data cable
Bicycle holder attachment
(optional) Software CD
* USB data cable can be used for battery charging and data transfer
between the GM-120 and a Notebook/PC.
* For information on installing the bicycle holder, refer to the User
Manual.

2
Hardware Components
Front View
No. Item Function
1. Menu Press once to display the OSD menu.
Press twice to display the Main Features menu.
2. Backlight Press and hold to turn the backlight on/off.
3. Zoom out Press to zoom out on a map page.
Hold for 2 seconds to display/clear roads, river,
lakes…etc. (GM-120C)
4. LCD screen
Displays the map page, satellite information, OSD
menus and so on.
5. Four way
navigation
keys
Up arrow: Press to move the cursor up in OSD
menus or on the map page.
Down arrow: Press to move the cursor down in
OSD menus or on the map page.
Left arrow: Press to move the cursor left in the
OSD menus or on the map page.
Right arrow: Press to move the cursor right in the
OSD menus or on the map page.
3
2
16
7
8
4
5
9

3
No. Item Function
6. ESC/Page Press to exit the OSD menu.
Press to toggle between the map page and the
compass page.
7. Power Press and hold to turn the power on/off.
8. Zoom in Press to zoom in on the map page.
Hold for 2 seconds to display/clear points of interest
(POIs). (GM-120C)
9. OK/Enter Press to toggle between the map page and
navigation mode.
On the menu page, press to confirm your selection.
Rear View
Bottom View
Battery
compartment
latch
USB port

4
Setting up the GM-120
Installing the Battery
1. Slide the battery compartment latch to the unlocked position.
2. Lift up the battery compartment cover and insert the battery in the
direction as shown.
3. Close the battery compartment cover and slide the battery
compartment latch to the locked position.

5
Turning on for the First Time
To turn on your GM-120 Handheld GPS Navigator, press
and hold the Power button for two seconds. The product
information page is displayed.
Next, the Mode Selection menu appears. Use the
navigation keys to select the mode you want and press
the OK button to confirm.
Acquiring Satellite Information
1. Press the Menu button twice to display the main
menu.
2. Select Satellite to start acquiring satellite
information.
NOTE:
In order to operate each mode at its optimum performance,
the GM-120 must have its position determined by the satellites.
Turning the GPS On/Off
When the GM-120 is used indoors, the device may not receive a sufficient
GPS signal and a warning message will appear on the screen. This
warning message does not go off until GPS is turned off.
To turn off GPS, do the following:
1. Press the Menu button twice to display the main menu.
2. Select GPS Off to turn off the GPS function. The device will stop
acquiring satellite data.
3. To resume the GPS function, press the Menu button to choose
GPS On and press OK.

6
Power off the GM-120
To power off your GM-120 Handheld GPS Navigator, press and hold the
Power button for two seconds. The data saving information is displayed.
Please remove the power source after 3~5 seconds for avoid system
damage.
For more information on how to take full advantage of your GM-120,
refer to your User Manual.

7
HOLUX Technology, Inc.
Tel: [phone]
Web Site: www.holux.com
E-mail: [email protected]