Holux GM-120 User manual

User Manual
GM-120
Holux Handheld GPS

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About This Manual
Thank you for choosing the Holux GM-120 Handheld Navigator. This
manual helps you to familiarize yourself with this product to best suit your
needs. Keep this manual for future reference.
Warranty
The GM-120 Handheld GPS Navigator is warranted to be free from defects
in material and functions for a period of one year from the date of purchase.
If there is a product failure within this period (under normal conditions), a
replacement will be provided at no charge to the customer.
Copyright Information
No part of this manual, including the products and software described in it,
may be reproduced, transmitted, transcribed, stored in a retrieval system,
or translated into any language in any form or by any means, without the
express written permission of Holux Technology, Inc.
Copyright© 2006 Holux Technology, Inc. All Rights Reserved.
Safety Information
•Read and understand all instructions.
•When using this product, heed the safety precautions to reduce the risk
of fire, electric shock, or personal injury.
•Do not disassemble the device. The product contains no user-
replaceable parts.
Maintenance Service
HOLUX Technology, Inc.
Tel: [phone]
Web Site: www.holux.com
E-mail: [email protected]

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Table of Contents
Product Overview .......................................................................................1
Package Contents..................................................................................2
Main Features ........................................................................................3
Hardware Components ..............................................................................5
Front View ..............................................................................................5
Rear View...............................................................................................6
Bottom View ...........................................................................................7
Setting up the GM-120................................................................................7
Installing the Battery...............................................................................7
Installing the Holder Assembly...............................................................9
Turning on for the First Time...................................................................10
Acquiring Satellite Information .............................................................10
Turning the GPS On/Off.......................................................................11
Viewing the Map Page .........................................................................11
Zooming In/Out.....................................................................................12
Turning on the Backlight ......................................................................13
Adjusting the Screen Contrast .............................................................13
Using the GM-120 in Simulation Mode ................................................13
Viewing the compass page ..................................................................15
Using Easy Mode ......................................................................................17
Setting the Home Location...................................................................17
Using the Navigation Feature...............................................................18
Calibrating the Compass......................................................................19
Using Professional Mode.........................................................................20
Search Object.......................................................................................20
Nearest Search ....................................................................................21

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Using the Waypoints Feature...............................................................21
Using the Waypoints Feature...............................................................22
Creating Waypoints........................................................................22
Modifying Waypoints......................................................................23
Deleting Waypoints ........................................................................24
Using the Routes Feature ....................................................................25
Creating a Route............................................................................25
Editing Routes................................................................................26
Using the Track Log Feature................................................................27
Creating a Track Log .....................................................................27
Viewing Track Log Information ......................................................29
Using the Shortcut On Feature ............................................................30
Using Map Scale Feature.....................................................................30
Using the Set Location Feature............................................................30
Using Measure Distance Feature.........................................................31
Viewing Trip Status ..............................................................................32
Resetting Trip Data ........................................................................33
Changing the Fields .......................................................................33
Moving to the Next Waypoint ...............................................................34
Calibrating Altitude ...............................................................................35
Using Geocaching Mode..........................................................................36
Setting Geocaching Coordinates .........................................................36
Viewing the Geocaching Page .............................................................37
Using Sports Mode ...................................................................................38
Training Setup ......................................................................................38
Setting the Timer............................................................................38
Setting the Distance.......................................................................38
Setting the Pace.............................................................................39
Setting the Speed ..........................................................................39

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Setting the Lap...............................................................................40
Setting Auto Pause ........................................................................41
Miscellaneous Settings ..................................................................41
Start Training........................................................................................42
Viewing Training History ......................................................................43
Transferring Data......................................................................................45
Making Connections.............................................................................45
Starting Data Transfer ..........................................................................46
Using MapRoute........................................................................................47
System Requirements ..........................................................................47
Features ...............................................................................................48
File Menu..............................................................................................48
Show Menu ..........................................................................................49
Tools Menu...........................................................................................51
List Menu..............................................................................................55
Transfer Menu ......................................................................................55
About Menu ..........................................................................................56
Context Menu .......................................................................................56
Viewing Sports Logs.............................................................................57
Downloading Map.................................................................................58
Downloading Track Logs......................................................................58
Downloading Waypoints and Routes ...................................................59
Downloading Geocaching Coordinates................................................59
Uploading Data.....................................................................................59
Adjusting the System Settings................................................................60
Setting the Pressure Units ...................................................................60
Setting the Navigation Mode ................................................................61
Changing the Map Direction.................................................................61

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Setting the Bluetooth............................................................................62
Setting the Display Units ......................................................................63
Setting the DMS Format.......................................................................63
Setting the WAAS/EGNOS ..................................................................64
Setting the Backlight.............................................................................64
Setting the Beeper................................................................................65
Setting the Startup Page ......................................................................65
Setting the Time ...................................................................................66
Making a Cold Start..............................................................................67
Resetting to Factory Defaults...............................................................67
Viewing Device Information..................................................................68
Appendix………………………………………………………………………..69
Troubleshooting....................................................................................69
Specifications .......................................................................................70
Federal Communications Commission Interference Statement..........71
RF Exposure Warning ..............................................................................71

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In nt tr ro od du uc ci in ng g t th he e G GM M- -1 12 20 0
Product Overview
Congratulations on your purchase of the HOLUX GM-120 Handheld
GPS Navigator.The GM-120 is an easy-to-use, multi-function handheld
GPS navigator which allows you to enjoy outdoor activities without worrying
about losing your way in unknown locations. The GM-120 helps you to
locate your position anywhere in the world and navigate your way easily. It
also features a Geocaching function for users to participate and enjoy
treasure hunting games. The sports mode acts as a personal training aid to
help you set up training programs and calculate the calories you burn
during training. The various features of the GM-120 make it your ideal
companion for outdoor activities.

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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.

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Main Features
•Point tracking /Route recording
•Object quick search
•4 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
and GM-120C)
•Bluetooth integrated (GM-120B, GM-120C Optional)
•Battery life up to 20 hours under normal use (GM-120A)
•With map. It stores roads, river, lakes, borders, cities and POIs.
(GM-120C)

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GM-120A GM-120B GM-120C
Features:
•SiRF GSC3
•9 keys (Menu, Esc,
Zoom in, Zoom
out, Hotkey, 4-way
navigation keys)
•2MB program code
in NOR flash
•2MB pseudo
SRAM
•Buzzer
•Waypoint, track log
stored in NOR
flash
•1600 mAh battery
Equipped with GM-
120A features plus:
•Electronic
compass
•Altimeter
•Barometer
•Bluetooth (Option)
Equipped with GM-
120B features plus:
•128MB memory
build-in for support
map.
•It stores roads,
river, lakes,
borders, cities and
POIs.
•Bluetooth (Option)

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Hardware Components
Take a moment to familiarize yourself with your GM-120 Handheld GPS
Navigator. The following illustrations provide information about the
components of the unit.
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.
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2
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7
8
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5
9

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No. Item Function
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.
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
Battery
compartment
latch

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Bottom View
Setting up the GM-120
This section contains instructions about setting up your GPS navigator by
inserting the battery, charging the battery, and installing the holder
assembly.
Installing the Battery
1. Slide the battery compartment latch to the unlocked position.
2. Lift up the battery compartment cover as shown.
USB port

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3. Insert the battery in the direction as shown.
4. Close the battery compartment cover.
5. Slide the battery compartment latch to the locked position.

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Installing the Holder Assembly
The GM-120 has a holder assembly as optional accessory that you can
mount on your car dashboard to hold the device.
To fix the holder assembly to your car dashboard:
1. Hook both parts of the bicycle holder assembly onto the front bar of
your bike and fix it securely with the screw provided.
2. Insert the GM-120 into the assembly holder.
3. Insert the top of the base into the notch on the back of the holder
assembly and slide it upwards to fix it firmly as shown.

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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.
Press the Menu button twice and select Satellite. The GM-120 starts
acquiring satellite information as described in the following section.
Acquiring Satellite Information
The satellite page displays information obtained from
the GPS satellites. The upper half of the screen
displays the satellites found in the vicinity and their
respective numbers.
The vertical bars on the bottom of the screen show the
signal strengths acquired from the satellites. The GPS
requires at least 4 satellites to determine its position.
Once the GPS position has been correctly determined,
the position coordinates are displayed at the bottom of
the screen.
NOTE:
In order to operate each mode at its optimal performance,
the GM-120 must have its position determined by the
satellites.

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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 OSD 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.
Viewing the Map Page
Press the Page button to toggle between the map page and the compass
page. On the map page, a ▲icon indicates your current location and the
icon indicates your home location. Press the Menu button to start
navigation.
When navigation is initiated, a route between the Home location and your
current location is displayed on the screen. You can refer to the route to
help you go back to your Home location. Press the ESC button to return to
the map page.

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Zooming In/Out
You can change the map scale while viewing the map with one of the
following ways:
•Press the + button to zoom in and increase the map scale.
•Press the – button to zoom out and reduce the map scale.
Alternatively, you can adjust the map scale from the OSD menu.
1. In Professional mode, press the Menu button to
display the OSD menu.
2. Select Map Scale and press OK to confirm. A
map scale bar is displayed on the map page.
3. Use the left/right navigation keys to adjust the map
scale. Press the navigation key to the right to
increase the map scale and to the left to decrease
the map scale.
4. Press OK to save the changes.
The GM-120 features nine zoom levels. You can select
from 50m, 100m, 200m, 500m, 1km, 2km, 5km, 25km, and
100km.

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Turning on the Backlight
The GM-120 is quipped with a built-in backlight to illuminate the screen
when you are using it in poor lighting conditions. Press and hold the
Backlight button to turn the backlight on or off as required.
The backlight status is displayed as the icon on the bottom left corner of the
screen.
Adjusting the Screen Contrast
To adjust the contrast of the LCD screen:
1. Press the Menu button twice to display the OSD
menu.
2. Select LCD Level and press OK to confirm. A
LCD scale bar is displayed on the map page.
3. Use the navigation keys to adjust the LCD level.
Press the navigation key to the right to increase
the LCD contrast and to the left to decrease the
contrast as required.
Using the GM-120 in Simulation Mode
In normal or navigation mode, the GM-120 tracks its position through
satellite information. In simulation mode, the device stops acquiring data
from the satellites. When you are planning a trip, use the simulation mode
to look up maps, to adjust system settings, and to conserve battery
consumption.
You can switch to simulation mode with one of the
following ways:
To switch to simulation mode from the satellite page:
1. Press the Menu button to display the OSD menu.
2. Use the navigation keys to select GPS Off and
press OK to confirm. The device stops acquiring
satellite information and enters simulation mode.