Holux GM-120 User manual
HOLUX Technology,Inc. 長天科技股份有限公司
1F, No.30, R&D Rd. II, Hsinchu City 300, 新竹市研發二路30號1F Tel:886 3 668 7000
GM-120 Handheld GPS
Features
zTracking point/Route recording
zQuick object search
z4 gray level display
z20 satellite channels, quick time to first fix (TTFF)
zWaterproof - Accompanies you on the water, in the Mountain or on the roads.
zSpecial design for car personal navigation, mountaineering, camping, investigation
sport and military.
zWAAS (North America) and EGNOS (Europe) GPS receiver with accuracy to 3
meters.
zElectronic compass and altimeter (barometer) sensor.
zBattery life up to 20 hours (normal use, GM-120A).
zDetailed Map (GM-120C).
HOLUX Technology,Inc. 長天科技股份有限公司
1F, No.30, R&D Rd. II, Hsinchu City 300, 新竹市研發二路30號1F Tel:886 3 668 7000
Specifications
Item Description
Navigation
Waypoints: Maximum 1000 waypoints with name (symbol) coordinate and remarks.
Route: 20 reversible and editable routes with up to 30 waypoints each.
Track Log: 8 tracking logs 2500 points each.
Map Built-in memory support Usa, Europe and Taiwan map. (GM-120C)
Performance
Acquisition Time：
•Cold Start : Within 42 seconds
•Warm Start : Within 38 seconds
•Hot Start : Within 1 seconds in open sky
•Update Rate : 1 second continuously
Accuracy
•Position : Within 5 - 25 m CEP
•Velocity : 0.1 m / sec
•Time : ±1µs
Dynamics
•Altitude : -1,000 to + 18,000 m
•Velocity : 515 m/sec
•Acceleration : ±4G
Interface
RS-232 (For NMEA 0183) or USB
•Antenna : Built-in patch antenna.
•Alarm : Built-in beeper for warning message.
Physical
• Size: 109 x 59 x 22.8 mm
• Weight: 130 ± 5 g, with Li-Ion battery.
• Case: Waterproof to IPX6 standards
Display
High-contrast electro luminescent back light display 4 level gray scale LCD.
•Size : 58 × 36 mm, 2.7”
Resolution : 100 ×160 pixels
Power
Battery:
Replaceable & rechargeable Li-Ion batteries, 1800 mAh
External power: mini-USB Adapter
Power consumption: < 220 mW (normal mode)
Temperature •Operating : -10 ℃〜 60 ℃
•Storage : -20 ℃ 〜 70 ℃
Misc 5 Function keys, 1 rocking keypad for 4 directions .
HOLUX Technology,Inc. 長天科技股份有限公司
1F, No.30, R&D Rd. II, Hsinchu City 300, 新竹市研發二路30號1F Tel:886 3 668 7000
Menu/Power
Zoom-in
Page/Esc/Power-on
Rocker key /
Forward/ Backward
Enter
Zoom-out
Mini USB
HOLUX Technology,Inc. 長天科技股份有限公司
1F, No.30, R&D Rd. II, Hsinchu City 300, 新竹市研發二路30號1F Tel:886 3 668 7000
Type Comparison
GM-120A GM-120B GM-120C
Waypoint, tracklog Yes Yes Yes
Map No No Yes
Data download USB virtual com
port
USB virtual com
port
USB virtual com
port
NAND flash memory No No Yes
Sensor (barometer,
altimeter, compass)
No Yes Yes
Operation Time 20 hours 20 hours 16 hours
Main Menu
Main menu has following icon for select.
Easy function: use GM-120 simply. Easy functions include compass, altimeter and home
function. The GM-120 will guide you back to home position.
Professional function: User use GM-120 in advance functions, navigation, track log, POI,
auto-routing. 8 track log, 2,500 way points for each track log. Continuous logging 20,000
points.
GeoCaching function.
Sports function: training status and history. 240 section, total 2,400 laps.
Accessory
Mini-USB cable for data download, AC adapter for battery charge, bicycle bracket.
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