HOLUX Technology M 241PLUS User Manual
HOLUX
Wireless GPS Logger
M-241 Plus
User Manual
Technology, Inc.
No.1-1, Innovation Road1, Science-based Industrial Park, Hsinchu 300, Taiwan
TEL: 886-3-6687000 FAX: 886-3-6687111
Website: www.holux.com
All Rights Reserved
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Table of Contents
TABLE OF CONTENTS ...................................................................................................................................................................... 1
1. OVERVIEW ................................................................................................................................................................................ 2
2. PACKING LIST ............................................................................................................................................................................ 4
3. MAIN FEATURES ........................................................................................................................................................................ 5
4. SPECIFICATION .......................................................................................................................................................................... 6
5. ICONS & INDICATORS ................................................................................................................................................................ 8
6. PRODUCT OVERVIEW ................................................................................................................................................................ 9
7. BASIC OPERATIONS ................................................................................................................................................................. 10
8. CONNECTING THE DEVICE TO THE PC ..................................................................................................................................... 20
9. POWER .................................................................................................................................................................................... 24
10. WARRANTY ............................................................................................................................................................................. 24
11. TROUBLESHOOTING ................................................................................................................................................................ 25
FEDERAL COMMUNICATIONS COMMISSION (FCC) STATEMENT .................................................................................................. 26
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1. Overview
The HOLUX M-241 Plus wireless GPS logger provides real time coordinate logging and easy-to-use trip
guiding service. The M-241 Plus can record up to 260,000 positions, each position including longitude,
latitude, time, and altitude. The log file can be transferred for analysis via USB connection. You can
combine these positions with your Digital camera photos to share the track histories and photo locations
to mapping application software such as Google Earth.
Position information, moving speed, free logging volume and the date & time can be shown on the
LCD display directly at any time. The M-241 Plus supports distance and time logging modes, kilometer
and mile distance units, and 5 languages (English, Traditional Chinese, Simplified Chinese, German, and
French).
Because the M-241 Plus provides a Bluetooth Low Energy (BLE) interface, you can use it freely while
driving without the clutter of cables.
Enjoy the GPS life!
The M-241 Plus is a high performance wireless GPS logger with the following features:
1. Support GPS/ GLONASS dual system.
2. Using Bluetooth Low Energy (BLE) interface (support G ATT Profile)
3. Powered by one AA battery.
4. LCD display (32mm (L)* 8.9mm (W)) to show position information, speed, capable logging
memory size, date & time.
5. Capable memory size to record up to 260,000 positions, including longitude, latitude, time, and
altitude.
6. Personal settings to select the logging mode by distance or time, unit by Kilometer or mile, and
multi-languages support.
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Applications:
Vehicle tracing & Location base services
Navigation with PC/Notebook/Smartphone devices
Car navigation
Marine navigation
Distance measurement
Sports and Recreation
Fleet Management
Software application program:
A user-friendly ez Tou r software utility is provided with the following functions:
Transfer recorded data to PC.
Recording mode setting (Time/ Distance)
Erase recorded data
Output data format
(1) Save exploring data to KML file format (Interface with Google Earth)
(2) NMEA file format (*.txt)
(3) GPX file format
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2. Packing List
Thank you for purchasing the M-241 Plus wireless GPS logger. Before you start, make sure that the
following items are included in your package. If any of these items are missing, please contact your
original local HOLUX dealer or distributor.
1. M-241 Plus wireless GPS logger 1 Set
2. AA Battery 1 Set
3. USB cable 1 Set
4. M-241 Plus Quick Guide 1 Pcs
5. Warranty card 1 Pcs
6. Nylon strap 1 Pcs
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3. Main features
1. Built-in MTK Low power consumption GPS/GLONASS chipset.
2. 32 parallel satellite-searching channels for fast acquisition and reacquisition.
3. Superior sensitivity, up to -165 dBm. (in tracking mode)
4. Built-in WAAS/EGNOS/MSAS Demodulator without any additional hardware.
5. Bluetooth Low Energy (BLE) interface (support Generic Attribute Profile ( GAT T))
6. Provide expanded terminal contact to other systems without the BLE device.
7. Support NMEA0183 V 3.01 data protocol
8. Compact and lightweight design for ease of use.
9. LCD display (32mm * 8.9mm /128 * 32 pixels) to show position information, speed, capable
logging memory size, date & time.
10. Capable memory size to record up to 260,000 position data, including longitude, latitude, time,
and altitude.
11. Personal setting to choose the logging mode by distance or time, unit by Kilometer or mile, and
multi-languages (English, Traditional Chinese, Simplify Chinese, German, and French) support.
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4. Specification
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‧22 tracking / 66 acquisition-channel GPS receiver
‧Receiver: L1, 1575.42 MHz (GPS), L1, 1602Mhz(GLONASS)
‧Update frequency: 1 Hz.
‧Antenna type: Built-in
‧Satellite signal reception sensitivity: -165dBm
Specifications
Positioning
Positioning
Timing
‧Dimensions: 32.1mm X 30mm X 74.5mm
‧Weight (excluding battery): < 39g.
‧Switch: Slider switch
‧Operating temperature: 0 ℃ to + 50 ℃
‧Storage temperature: -10 ℃ to + 60 ℃
‧Operating humidity: 5% to 90%
Non DGPS (Differential GPS):
‧Position : 3.0 M CEP excluding SA
‧Velocity: 0.1M / sec.
‧Interval: 0.1 sec to Sync GPS
DGPS (EGNOS/WAAS/MSAS):
‧Position: < 2.2 M., Horizontal deviation 95% time
< 5 M., Vertical deviation 95 % time
*The above data is based on the specifications of the MTK GPS chip
‧Time to reposition < 0.1 sec average
‧Hot boot <1 sec
‧Warm boot <30 sec
‧Cold boot <31 sec
Protocol and
Interface
*The above data are based on specifications of the MTK GPS chip
the Generic Attribute Profile (GAT T)
‧Bluetooth Low Energy V4.0 compatible
‧Frequency: 2.400 to 2.480 GHz
‧RF channels: 40
‧Input sensitivity: -93dBm
‧Output power: +0dBm
Output port: Mini-USB (CMOS Level)
‧NMEA protocol output: V 3.01
Baud rate: 38400 bps
Data bits: 8
Sync bits: N
End bit: 1
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‧Output interface:
Standard: GPGGA (1 time per second), GPGSA (1 time per second), GPGSV (1
time per second), GPRMC (1 time per second), GPVTG (1 time per second).
‧Sea level: Max 18,000 M (60,000 feet)
Physical
Specifications
‧Velocity: Max 515 M./sec ( 1000 knots)
‧Acceleration: Max 4G
‧Vibration: 20 M/ second3, Max.
Buttons 1 Power switch, 2 Buttons (Menu and Confirm)
‧System and satellite positioning status
‧Time
LCD display
page
‧Position
‧Velocity
‧Distance measurement
‧Setup
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5. Icons & Indicators
Position Icon Descriptions Position Icon Descriptions
1
1
3
4
6
5
Log by Time 2
Log by Distance 4
Log On 7
Waypoint 8
GPS Fix 8
BLE Connection
Measure Distance On
Lock On
Device & PC Connected
Battery is Full
Battery is exhausted
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