Holux M-241 User manual

HOLUX Wireless GPS Logger M-241User’s Manual
Holux
Wireless GPS Logger
M-241
April 2009
Ver.C
Technology, Inc.
No.1-1, I ovatio Road1, Scie ce-based I dustrial Park, Hsi chu 300, Taiwa
TEL: [phone] FAX: [phone]
Website: www.holux.com
All Rights Reserved
User’s Guide

HOLUX Wireless GPS Logger M-241 User’s Manual
2

HOLUX Wireless GPS Logger M-241 User’s Manual
3
Table of Co te ts
Table of Co te ts .....................................................................................................3
1. Overview ...........................................................................................................4
2. Packi g List ......................................................................................................6
3. Mai features ....................................................................................................7
4. Specificatio .....................................................................................................8
5. Ico s & I dicators ..........................................................................................10
6. Product Overview ...........................................................................................11
7. Basic Operatio s............................................................................................12
8. Co ecti g the device to the PC...................................................................24
9. Dow load Log Data to PC..............................................................................25
10. Bluetooth device co ectio i stallatio .....................................................41
11. I stallatio of Mi i GPS Viewer program ......................................................43
12. Execute the Mi i GPS Viewer program .........................................................44
13. Power ..........................................................................................................46
14. Warra ty ..........................................................................................................46
15. Troubleshooti g .............................................................................................47
Federal Commu icatio s Commissio (FCC) Stateme t ....................................48

HOLUX Wireless GPS Logger M-241 User’s Manual
4
1. Overview
The HOLUX M-241 wireless GPS logger provides real time coordinate
logging and easy to use trip guiding service. The M-241 can record up to
130,000 positions, each position including longitude, latitude, time, and altitude.
The log file can be transfered 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
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 provides a Bluetooth interface, you can use it freely
while driving without the clutter of cables.
Enjoy the GPS life!
The M-241 is a high performance wireless GPS logger with the following
features:
1. Dual interface (Bluetooth + GPS mouse by USB cable).
2. Compatible with Bluetooth Serial Port Profile (SPP) completely.
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 130,000 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 5 languages (English, Traditional Chinese, Simplified
Chinese, German, and French) support.

HOLUX Wireless GPS Logger M-241 User’s Manual
5
Applicatio s:
* Vehicle tracing & Location base services
* Navigation with PDA/Notebook/Smartphone devices
* Car navigation
* Marine navigation
* Distance measurement
* Sports and Recreation
* Fleet Management
Software applicatio program:
A user friendly 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) Binary file format
(4) GPX file format

HOLUX Wireless GPS Logger M-241 User’s Manual
6
2. Packi g List
Thank you for purchasing the M-241 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 wireless GPS logger 1 Set
2. AA Battery 1 Set
3. Car Charger *+ USB cable 1 Set
4. User guide and Driver CD 1 Pcs
5. M 241 Quick Guide 1 Pcs
6. Warranty card 1 Pcs
7. Nylon strap 1 Pcs
Optio
1. Travel power supply 1 Set
* Car Charger can only be used as the power supply adapter, it does not
have any battery charging function.

HOLUX Wireless GPS Logger M-241 User’s Manual
7
3. Mai features
1. Built in MTK Low power consumption GPS chipset.
2. 32 parallel satellite searching channels for fast acquisition and
reacquisition.
3. Superior sensitivity, up to 159 dBm.
4. Built in WAAS/EGNOS/MSAS Demodulator without any additional
hardware.
5. Completely compatible with Bluetooth Serial Port Profile (SPP).
6. Provide expanded terminal contact to other systems without the
Bluetooth 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 130,000 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 5 languages (English, Traditional Chinese,
Simplify Chinese, German, and French) support.

HOLUX Wireless GPS Logger M-241 User’s Manual
8
4. Specificatio
Specificatio s
‧32 parallel satellite searching channels
‧Receiver: L1, 1575.42 MHz
‧Frequency: 1.023 MHz
‧Update frequency: 1 Hz.
‧Antenna type: Built in
‧Satellite signal reception sensitivity: 159dBm
‧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%
Positio i g
◆
◆◆
◆ No DGPS (Differe tial 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
Positio i g
Timi g
‧Time to reposition < 0.1 sec average
‧Hot boot 1 sec
‧Warm boot 33 sec
‧Cold boot 36 sec
*The above data are based on specifications of the MTK GPS chip
Protocol a d
I terface
◆
◆◆
◆ Bluetooth compatible serial specificatio s (SPP)
‧Bluetooth V1.2 compatible
‧Bluetooth class 2 (within 10m of range in open space)
‧Frequency: 2.400 to 2.480 GHz
‧Modulation: FHSS / GFSK
‧RF channels: 79
‧Input sensitivity: 85dBm
‧Output power: +2dBm
◆
◆◆
◆Output port: Mi i-USB (CMOS Level)

HOLUX Wireless GPS Logger M-241 User’s Manual
‧NMEA protocol output: V 3.01
Baud rate: 38400 bps
Data bits: 8
Sync bits: N
End bit: 1
‧Output i terface:
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).
Physical
Specificatio s
‧Sea level: Max 18,000 M (60,000 feet)
‧Velocity: Max 515 M./sec ( 1000 knots)
‧Acceleratio : Max 4G
‧Vibratio : 20 M/ second
3
, Max.
Butto s 1 Power switch, 2 Buttons (Menu and Confirm)
LCD display
page
‧System and satellite positioning status
‧Time
‧Position
‧Velocity
‧Distance measurement
‧Setup

HOLUX Wireless GPS Logger M-241 User’s Manual
10
5. Ico s & I dicators
Position
PositionPosition
Position Icon
IconIcon
Icon Descriptions
DescriptionsDescriptions
Descriptions Position
PositionPosition
Position Icon
IconIcon
Icon Descriptions
DescriptionsDescriptions
Descriptions
1 Log by Time 2 Measure Distance On
1 Log by Distance 4 Lock On
3 Log On 7 Device & PC Connected
4 Waypoint 8 Battery is Full
6 GPS Fix 8 Battery is exhausted
5 Bluetooth Connection

HOLUX Wireless GPS Logger M-241 User’s Manual
11
1
2
4
3
5
6
6. Product Overview
1
LCD Screen
LCD Screen LCD Screen
LCD Screen
2
MENU Button
MENU Button MENU Button
MENU Button
3
ENTER Button
ENTER Button ENTER Button
ENTER Button
4
Power Switch
Power Switch Power Switch
Power Switch
5
Battery Cover
Battery Cover Battery Cover
Battery Cover
6
USB Port
USB Port USB Port
USB Port

HOLUX Wireless GPS Logger M-241 User’s Manual
12
7. Basic Operatio s
Before you use
1. If the user wants to use M-241 to record the coordinate for matching the
GPS coordinate of the picture in the camera, because the integration of
the two parties is performed under the comparison of the time, it is
recommended for the user to adjust the clock time in the camera to
match the GPS time in the M-241.
2. M-241 does not have the water-proof feature; please pay attention to
the moisture while using it in a rainy day.
3. Before turning off, please press “stop” button to prevent log data
damaged when in logging mode.
4. Before changing a new battery,please turn off power first.
Butto Defi itio
MENU Button
MENU ButtonMENU Button
MENU Button -> Change & Select function.
ENTER Button
ENTER ButtonENTER Button
ENTER Button -> Confirm your select.
Except during the Setting Mode, user may press the “MENU” key
and “ENTER” key at the same time, all keys function will “LOCK”,
and press the “MENU” key and “ENTER” key at the same time again,
to cancel the “LOCK” status.
* LCD screen will show the reference button function.
How to select a mode
1. Turn on the power switch. The device will turn on and show the Track
Log Mode on the LCD.
2. There are 6 operational modes on this device. Please use the
MENU Button to change operation mode. (
( (
( Track Log Mode
Track Log ModeTrack Log Mode
Track Log Mode -
--
->
> >
>
Time Mode
Time ModeTime Mode
Time Mode -
--
->
> >
> Show Position Mode
Show Position ModeShow Position Mode
Show Position Mode -
--
->
> >
> Show Speed & Altitude
Show Speed & Altitude Show Speed & Altitude
Show Speed & Altitude

HOLUX Wireless GPS Logger M-241 User’s Manual
13
Mode
ModeMode
Mode -
--
->
> >
> Measure Distance Mode
Measure Distance ModeMeasure Distance Mode
Measure Distance Mode -
--
->
> >
> Setting Mode
Setting ModeSetting Mode
Setting Mode -
--
->
> >
> Track Log
Track Log Track Log
Track Log
Mode.
Mode.Mode.
Mode. )
) )
)
：
：：
：Track Log
Track LogTrack Log
Track Log Mode
Mode Mode
Mode
：
：：
：Time Mod
Time ModTime Mod
Time Mode
ee
e
：
：：
：Position Mode
Position ModePosition Mode
Position Mode
：
：：
：Speed & Altitude Mode
Speed & Altitude ModeSpeed & Altitude Mode
Speed & Altitude Mode
：
：：
：Measure Distance Mode
Measure Distance ModeMeasure Distance Mode
Measure Distance Mode
：
：：
：Setting Mode
Setting ModeSetting Mode
Setting Mode

HOLUX Wireless GPS Logger M-241 User’s Manual
14
Operatio al flow

HOLUX Wireless GPS Logger M-241 User’s Manual
15
Operatio al me u descriptio
：
：：
：
Menu
MenuMenu
Menu: Go to Time mode
Enter
EnterEnter
Enter: Start / Stop the recording GPS data.
Note:
1. When power on M-241, user will see “ ” before GPS
acquisition. After GPS is fixed, you will see the screen
as .
2. When user starts the “Track Log” function, the “ ” icon will
appear on the bottom-left corner of the screen.
3. The “ xxxxFree “signifies how many log data can be recorded.
4. When Bluetooth is connection, the icon “ ” will show up.
：
：：
：Time Mode
Time ModeTime Mode
Time Mode
Menu
MenuMenu
Menu: Go to Position Information mode
Enter
EnterEnter
Enter: Go to select the Time Zone Adjustment
Note:
1. This is UTC* time receiving from GPS, which can’t be adjusted but time
zone selecting is allowed. .
*UTC means the Greenwich Mean Time (Coordinated Universal
Time).
2. The RTC inside the GPS will continue to keep time information while
the battery power is available. Time information will be lost with the
absence of battery power.
3. GPS fresh from the factory, before GPS acquisition, or with recent
firmware update, or no battery power will show “ ” only.
4. After the first GPS acquisition, the RTC will start to retain time
information and the screen wil start to show time like .
5. With time information retained the RTC will show time with a quote in
the front when no GPS is acquired like . Time shown will
return to quoteless like after GPS acquisition.

HOLUX Wireless GPS Logger M-241 User’s Manual
16
：
：：
：T
TT
Time
ime ime
ime Z
ZZ
Zone
oneone
one Adjustment
Adjustment Adjustment
Adjustment
Menu
MenuMenu
Menu: Adjust the UTC time to meet user’s local time (circular:
+8,+9,+10,+11,+12,+13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,+1,+2,+3,
+4,+5,+6,+7,Esc*)
Enter
EnterEnter
Enter: Setting and back to Time mode
*
**
*Esc:
Esc:Esc:
Esc: means to cancel the change and restore to the previous
setting.

HOLUX Wireless GPS Logger M-241 User’s Manual
17
：
：：
：Position
PositionPosition
Position Information
Information Information
Information Mode
Mode Mode
Mode
Menu
MenuMenu
Menu: Go to Speed & Altitude Information mode
Enter
EnterEnter
Enter: Record a current track log data once
Note: When Recording a current track log data once, the ” ” icon will
show for one second on the bottom-left corner of the screen.
Note: Because the satellite signal may be shifted easily due to the
interference when the moving speed is less than 10 km/hr or under the
environment with tall buildings that the satellite signal is not good, it is
normal that the user may see the shift of the satellite coordinate while
being in the static state.
：
：：
：Speed & Altitude
Speed & AltitudeSpeed & Altitude
Speed & Altitude Information
Information Information
Information Mode
Mode Mode
Mode
Menu
MenuMenu
Menu: Go to Measure Distance mode
Enter
EnterEnter
Enter: No Function
Note:
1. Current Speed (Unit: km/h or mph) and altitude (Unit: m or ft) will show
on the LCD.
2. You can select the unit in setting mode, refer to km/mile menu.
Because the satellite signal may be shifted easily due to the interference
when the moving speed is less than 10 km/hr or under the environment
with tall buildings that the satellite signal is not good, it is normal that the
user may see the shift of the satellite coordinate while being in the static
state.

HOLUX Wireless GPS Logger M-241 User’s Manual
18
：
：：
：Measure Distance Mode
Measure Distance ModeMeasure Distance Mode
Measure Distance Mode
Menu
MenuMenu
Menu: Go to Setting mode
Enter
EnterEnter
Enter: Start / Stop to measure distance
Note:
1. When user enables the “Measure Distance” function, the “ ” icon
will shows on the top-left corner of the screen
2. Because the satellite signal may be shifted easily due to the
interference when the moving speed is less than 10 km/hr or under the
environment with tall buildings that the satellite signal is not good, the
user may see the shift of the satellite coordinate while being in the static
state. Thus, while the distance is being measured, it is normal that there
might be accumulated error and the displayed total measured distance
will be different from the actual distance.
3. You can select the unit in setting mode, refer to km/mile menu.
：
：：
：Setting Mode
Setting ModeSetting Mode
Setting Mode
Menu
MenuMenu
Menu: Go to Track Log Mode page
page page
page
Enter
EnterEnter
Enter: Go to “Distance By” menu of Setting mode
Menu
MenuMenu
Menu: Go to km/mile menu of Setting mode
Enter
EnterEnter
Enter: Go to select “Point” or “Route”
Note:
1. “Distance By” signifies that Measure Distance is by “The beeline
between Begin Point and End Point” or by “Route (Path) of all
points”.

HOLUX Wireless GPS Logger M-241 User’s Manual
1

HOLUX Wireless GPS Logger M-241 User’s Manual
20
Menu
MenuMenu
Menu: Select “Point” or “Route”
Enter
EnterEnter
Enter: Setting and back to Setting mode
NOTE:
1. When the user select the “Point” logging method, the logged
distance is the straight line distance between the starting point
and the end point.
2. If the “Route” logging method is selected , the logged distance
will be the accumulated distance of each segment between the
log points. However, because the distance between any two
log points may have error, the accumulated distance value may
have increased error with the increase of the number of the log
points.
Menu
MenuMenu
Menu: Go to Log record mode menu of Setting mode
Enter
EnterEnter
Enter: Go to select “km” or “mile”
Note: “km/mile” signifies that the Units of Measure Distance and show
speed are “km” or “mile”.
Menu
MenuMenu
Menu: Select “km” or “mile”
Enter
EnterEnter
Enter: Setting and back to Setting mode