Holux M-241C User Manual

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HOLUX GPS Logger M-241cUser’s Manual

HOLUX

GPS LOGGER

M-241c

No.1-1, Innovation Road1, Science-based Industrial Park, Hsinchu 300, Taiwan

User’s Guide

Technology, Inc.

TEL: 886-3-6687000 FAX: 886-3-6687111

Website: www.holux.com

HOLUX GPS Logger M-241c User’s Manual

Table of Contents

1. OVERVIEW..................................................................................................................................4

2. PACKING LIST ............................................................................................................................6

3. MAIN FEATURES .......................................................................................................................7

4. SPECIFICATION.........................................................................................................................8

5. ICONS & INDICATORS ...........................................................................................................10

6. PRODUCT OVERVIEW ........................................................................................................... 11

7. BASIC OPERATIONS ...............................................................................................................12

EFORE YOU USE

UTTON DEFINITION

OW TO SELECT A MODE

PERATIONAL FLOW

PERATIONAL MENU DESCRIPTION

..............................................................................................................................12

..........................................................................................................................12

.................................................................................................................. 12

.........................................................................................................................14

...................................................................................................15

8. CONNECTING THE DEVICE TO THE PC ...........................................................................23

IIII

NSTALL

NSTALL NSTALL

USB

USBUSB

DRIVER

DRIVER DRIVER

........................................................................................................................23

9. TRANSFER LOG DATA TO PC............................................................................................... 24

HHHH

OLUX

LLLL

OGGER

OLUX OLUX

OGGER OGGER

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EVICE

SSSS

EVICE EVICE

ONNECTED

TTTT

RACK

LLLL

RACK RACK

OG OG

PLOAD

............................................................................................................................................. 28

RACK LOG FILE STATUS

TTTT

RACK

LLLL

RACK RACK

OG OG

TTTT

RACK

LLLL

RACK RACK

OG OG

HOTO COMBINE SETTING

OWNLOAD AND UPDATE FIRMWARE

10.

INSTALLATION OF MINI GPS VIEWER PROGRAM................................................... 40

UUUU

TILITY

................................................................................................................... 24

TILITYTILITY

ETTING

ETTINGETTING

...............................................................................................................................25

......................................................................................................................................26

SSSS

ETTING

.........................................................................................................................27

ETTINGETTING

................................................................................................................. 29

FFFF

ORMAT

.........................................................................................................................31

ORMATORMAT

PPPP

HOTO

...........................................................................................................................32

HOTOHOTO

................................................................................................................ 35

...............................................................................................37

11. EXECUTE THE MINI GPS VIEWER PROGRAM ............................................................... 41

12.

POWER................................................................................................................................... 43

13.

WARRANTY .......................................................................................................................... 43

HOLUX GPS Logger M-241c User’s Manual

14.

TROUBLESHOOTING.........................................................................................................44

HOLUX GPS Logger M-241c User’s Manual

1. Overview

The HOLUX M-241c GPS logger provides real time coordinate logging

and easy-to-use trip guiding service. The M-241c can record up to 130,000

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-241c

supports distance and time logging modes, kilometer and mile distance units,

and 5 languages (English, Traditional Chinese, Simplified Chinese, German,

and French).

The M-241c is a high performance GPS logger with the following features:

• Powered by one AA battery.

• LCD display (32mm L* 8.9mm W) to show position information, speed, capable

logging memory size, date & time.

• Capable memory size to record up to 130,000 positions, including longitude,

latitude, time, and altitude.

• 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 GPS Logger M-241c User’s Manual

Applications:

* Vehicle tracing & Location base services

* Car navigation * Marine navigation

* Distance measurement

* Sports and Recreation

* Fleet Management

Software application 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 GPS Logger M-241c User’s Manual

2. Packing List

Thank you for purchasing the M-241c 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-241c 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-241c Quick Guide 1 Pcs

6. Warranty card 1 Pcs

7. Nylon strap 1 Pcs

Option

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 GPS Logger M-241c User’s Manual

3. Main 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. Support NMEA0183 V 3.01 data protocol

6. Compact and lightweight design for ease of use.

7. LCD display (32mm * 8.9mm /128 * 32 pixels) to show position

information, speed, capable logging memory size, date & time.

8. Capable memory size to record up to 130,000 position data, including

longitude, latitude, time, and altitude.

9. 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 GPS Logger M-241c User’s Manual

4. Specification

‧32 parallel satellite searching channels

‧Receiver: L1, 1575.42 MHz

‧Frequency: 1.023 MHz

‧Update frequency: 1 Hz.

‧Antenna type: Built-in

Specifications

Positioning

‧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%

◆◆◆◆ 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

Positioning

Timing

Protocol and

Interface

‧Hot boot 1 sec

‧Warm boot 33 sec

‧Cold boot 36 sec

*The above data are based on specifications of the MTK GPS chip

◆◆◆◆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

‧Output interface:

Standard: GPGGA (1 time per second), GPGSA (1 time per second),

HOLUX GPS Logger M-241c User’s Manual

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

Buttons

LCD display

page

‧Velocity: Max 515 M./sec ( 1000 knots)

‧Acceleration: Max 4G

‧Vibration: 20 M/ second3, Max.

1 Power switch, 2 Buttons (Menu and Confirm)

‧System and satellite positioning status

‧Time

‧Position

‧Velocity

‧Distance measurement

‧Setup

HOLUX GPS Logger M-241c User’s Manual

5. Icons & Indicators

Position

PositionPosition

Icon

IconIcon

Descriptions

Descriptions Position

DescriptionsDescriptions

Position Icon

PositionPosition

Icon Descriptions

IconIcon

Descriptions

DescriptionsDescriptions

Log by Time

Log by Distance

Log On

Waypoint

GPS Fix

Measure Distance On

Lock On

Device & PC Connected

Battery is Full

Battery is exhausted

HOLUX GPS Logger M-241c User’s Manual

6. Product Overview

LCD Screen

LCD Screen LCD Screen

MENU Button

MENU Button MENU Button

ENTER Button

ENTER Button ENTER Button

Power Switch

Power Switch Power Switch

Battery Cover

Battery Cover Battery Cover

USB Port

USB Port USB Port

HOLUX GPS Logger M-241c User’s Manual

7. Basic Operations

Before you use

1. If the user wants to use M-241c 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-241c.

2. M-241c 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.

Button Definition

MENU Button

MENU Button -> Change & Select function.

MENU ButtonMENU Button

ENTER Button

ENTER Button -> Confirm your select.

ENTER ButtonENTER Button

Except during the Setting Mode, user may press the “MENU” key

and “ENTER” key at the same time, all keys function will be “LOCK”

status. 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 Mode ---->

( (

Track Log ModeTrack Log Mode

> >

Time Mode

Time Mode ---->

Time ModeTime Mode

> Show Position Mode

Show Position Mode ---->

> >

Show Position ModeShow Position Mode

> Show Speed & Altitude

Show Speed & Altitude

> >

Show Speed & Altitude Show Speed & Altitude

HOLUX GPS Logger M-241c User’s Manual

Mode

Mode ---->

ModeMode

Mode.

Mode. )

Mode.Mode.

> Measure Distance Mode

Measure Distance Mode ---->

> >

Measure Distance ModeMeasure Distance Mode

)

) )

：：：：Track Log

Track Log Mode

Track LogTrack Log

：：：：Time Mode

Time Mode

Time ModeTime Mode

：：：：Position Mode

Position Mode

Position ModePosition Mode

：：：：Speed & Altitude Mode

Speed & Altitude Mode

Speed & Altitude ModeSpeed & Altitude Mode

：：：：Measure Distance Mode

Measure Distance Mode

Measure Distance ModeMeasure Distance Mode

> Setting Mode

Setting Mode ---->

> >

Setting ModeSetting Mode

Mode

Mode Mode

> Track Log

Track Log

> >

Track Log Track Log

：：：：Setting Mode

Setting Mode

Setting ModeSetting Mode

HOLUX GPS Logger M-241c User’s Manual

Operational flow

HOLUX GPS Logger M-241c User’s Manual

Operational menu description

：：：：

Menu: Go to Time mode

MenuMenu

Enter

Enter: Start / Stop the recording GPS data.

EnterEnter

Note:

1. When power on M-241c, 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.

：：：：Time Mode

Time Mode

Time ModeTime Mode

Menu: Go to Position Information mode

MenuMenu

Enter

Enter: Go to select the Time Zone Adjustment

EnterEnter

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 GPS Logger M-241c User’s Manual

：：：：TTTTime

ime ZZZZone

ime ime

Menu: Adjust the UTC time to meet user’s local time (circular:

MenuMenu

+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

Enter: Setting and back to Time mode

EnterEnter

****Esc:

Esc: means to cancel the change and restore to the previous

Esc:Esc:

setting.

one Adjustment

oneone

Adjustment

Adjustment Adjustment

HOLUX GPS Logger M-241c User’s Manual

：：：：Position

Position Information

PositionPosition

Menu: Go to Speed & Altitude Information mode

MenuMenu

Enter

Enter: Record a current track log data once

EnterEnter

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.

Information Mode

Information Information

Mode

Mode Mode

：：：：Speed & Altitude

Speed & Altitude Information

Speed & AltitudeSpeed & Altitude

Menu: Go to Measure Distance mode

MenuMenu

Enter

Enter: No Function

EnterEnter

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.

Information Mode

Information Information

Mode

Mode Mode

HOLUX GPS Logger M-241c User’s Manual

：：：：Measure Distance Mode

Measure Distance Mode

Measure Distance ModeMeasure Distance Mode

Menu: Go to Setting mode

MenuMenu

Enter

Enter: Start / Stop to measure distance

EnterEnter

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 Mode

Setting ModeSetting Mode

Menu: Go to Track Log Mode page

MenuMenu

Enter

Enter: Go to “Distance By” menu of Setting mode

EnterEnter

Menu: Go to Distance By menu of Setting mode

MenuMenu

Enter

Enter: Go to select “Point” or “Route”

EnterEnter

page

page page

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 GPS Logger M-241c User’s Manual

Menu: Select “Point” or “Route”

MenuMenu

Enter

Enter: Setting and back to Setting mode

EnterEnter

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: Go to km/mile menu of Setting mode

MenuMenu

Enter

Enter: Go to select “km” or “mile”

EnterEnter

Note: “km/mile” signifies that the Units of Measure Distance and show

speed are “km” or “mile”.

Menu: Select “km” or “mile”

MenuMenu

Enter

Enter: Setting and back to Setting mode

EnterEnter

HOLUX GPS Logger M-241c User’s Manual

Menu: Go to Log record menu of Setting mode

MenuMenu

Enter

Enter: Select “Full Stop” or “Overwrite”

EnterEnter

Menu: Select “Full Stop” or “Overwrite”

MenuMenu

Enter

Enter: Setting and back to Setting mode

EnterEnter

Note:

1. “ Full Stop” -> Recording log data -> flash full -> Stop recording.

2. “ Overwrite” -> Recording log data -> flash full -> Overwrite the first log.

Menu: Go to Log by Time menu of Setting mode

MenuMenu

Enter

Enter: Set Log Mode to “By Time” and select number of Sec.

EnterEnter

Menu: select the logging frequency .(circular:

MenuMenu

1,5,10,15,30,60,120,Esc*)

Enter

Enter: Setting and back to Setting mode

EnterEnter

****Esc

Esc means to cancel the change and restore to the previous setting.

EscEsc

Menu: Go to Log by Distance menu of Setting mode

MenuMenu

Enter

Enter: Set Log Mode to “By Distance” and select the number of

EnterEnter

meters.

Menu: select the logging interval circular:

MenuMenu

50,100,150,300,500,1000 meters , Esc*)

Enter

Enter: Setting and back to Setting mode

EnterEnter

****Esc

Esc means to cancel the change and restore to the previous setting.

EscEsc

HOLUX GPS Logger M-241c User’s Manual

Menu: Go to Language menu of Setting mode

MenuMenu

Enter

Enter: Select Language

EnterEnter

Menu: Select Language. (circular: English, Deutsch, French,

MenuMenu

繁體中文,简体中文)

Enter

Enter: Setting and back to Setting mode.

EnterEnter

Menu: Go to Erase menu of Setting mode

MenuMenu

Enter

Enter: Go to “YES / NO” status

EnterEnter

Menu: Not erased and back to Setting Mode

MenuMenu

Enter

Enter: Erase all of track log data and back to Setting Mode

EnterEnter

Menu: Go to Default menu of Setting mode

MenuMenu

Enter

Enter: Go to “YES / NO” status

EnterEnter

Menu: No change and back to Setting Mode

MenuMenu

Enter

Enter: Restores device back to factory default settings and back

EnterEnter

to Setting Mode

HOLUX GPS Logger M-241c User’s Manual

MENU：：：：go to auto log setup ENTER：：：：select yes or no

MENU：：：：Choose to activate auto log mode. ENTER：：：：confirm selection and return to setup. Note：：：：once activated the M-241c will start in the auto log mode

and record logs automatically after power on.

MENU：：：：Go to Back Light of Setting mode

ENTER：：：：Go to “YES / NO” status

MENU：：：：Select the time of back light.

ENTER：：：：Setting and back to Setting mode.

Menu: Go to Back menu of Setting mode

MenuMenu

Enter

Enter: Back to Setting Mode

EnterEnter

HOLUX GPS Logger M-241c User’s Manual

COM Port

COM PortCOM Port

COM Port

8. Connecting the device to the PC

M-241c provides data connection with PC through USB cable.

Install USB driv

Install USB driver

Install USB drivInstall USB driv

erer

1. Power On the device.

2. Connect the device to a computer

with the USB cable provided in the

package.

3. Install the USB driver

“CP210x_VCP_Win2K_XP.exe

CP210x_VCP_Win2K_XP.exe

CP210x_VCP_Win2K_XP.exeCP210x_VCP_Win2K_XP.exe

from the CD provided in the

package.

4. Click <Start> menu, select →

<Setting>, then enter→ <Controller> and select <System> Select <Device Manager> Find the < Connector (COM & LPT)> and

check the “

CP210xUSB to UART

””””

Bridge Controller

” message.

Please note that the virtual COM port

number might be different on every

computer. Before using navigation

software, please confirm the COM Port

numbers created by your computer and

provided to your navigation software.

HOLUX GPS Logger M-241c User’s Manual

9. Transfer Log Data to PC

1. User can use Holux application software ” HoluxUtility.exe

transfer the log data to the PC after connecting the device to the PC,

and easily export the log data to “Google Earth

2. For information on “Google Earth”. Please visit Google Earth website http://earth.google.com.

3. The transfer time takes about 4 min if the full memory usage.

Google Earth” or “locr GPS Photo

Google EarthGoogle Earth

HoluxUtility.exe” to

HoluxUtility.exeHoluxUtility.exe

locr GPS Photo”.

locr GPS Photolocr GPS Photo

Holux

Holux Logger

HoluxHolux

Logger Utility

Logger Logger

“Holux Logger Utility” allows the user to adjust Track Log Setting and

Track Log Format Conversion and Track Log Photo Link and download

and update firmware.

Utility main screen includes five sub pages:

Page 1: Device Setting

Page 2: Track Log Setting

Utility

UtilityUtility

Page 3: Track Log Format

Page 4: Track Log Photo

Page 5: Download and Update Firmware

HOLUX GPS Logger M-241c User’s Manual

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2222

3333

5555

6666

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Device Setting

Device SettingDevice Setting

1. Page：Device setting page.

2. COM Port：Select COM Port.

3. Baud rate：Select Baud rate.（Default: 38400）

4. Auto Detect：Auto Detect COM Port.

5. Connect：Connect the Holux Logger Utility to device.

6. Device Information：If the device connected to Holux Logger Utility, the

device information

vice information will show a descriptive message and the Connect

dede

vice information vice information

button will change to Disconnect

button will change to Disconnect. The device LCD will show an “ ”

button will change to Disconnectbutton will change to Disconnect

icon.

Connected

Connect

Connect Connect

HOLUX GPS Logger M-241c User’s Manual

Connected

1. User Name：User can input user name here.

a. Maximum input for user name：16 characters

b. Input user name must be ASCII characters.

c. Cannot input “＊”or spaces.

2. Write Name：Send the user name setting to the device and save it.

3. Apply All：Set “Track Log Setting” and save these settings in the device.

4. Default All：Update all settings to default. (if the user wants to save

“Track Log Setting” in the device, please click the “Apply All” button)

HOLUX GPS Logger M-241c User’s Manual

1111

2222

3333

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5555

6666

7777

Track Log Setting

Track Log SettingTrack Log Setting

1. Page：Track Log Setting Page.

2. Record Style：Select Record Style.

3. Log Argument：Select Log Argument.

4. Upload：Go to upload Track Log Data from Device to PC.

5. Clear：Clear All Data of Device.

6. Apply All：Set “Track Log Setting” and save these settings in device.

7. Default All：Update all setting to default. (if the user wants to save

“Track Log Setting” in the device, please click the “Apply All” button)

HOLUX GPS Logger M-241c User’s Manual

Upload

1111

3333

4444

2222

5555

1. Directory：Select the directory for saving.

2. Directory：If the user has Image files for Track Log Data, please go to

select the image directory after the “Combine JPG file” item has been

selected.

3. Write Total Track Log：If the “Write Total Track Log” is selected, Utility

will save total log data to another file (*.trl) and “*.kml” file.

4. OK：Upload log data to “ *.trl ” files on the selected directory. If the user

executes step 2, it will combine the image files and log data to a “ *.kml ”

files else it will create “*.kml” files without image combined.

5. Cancel：Do nothing, and exit.

HOLUX GPS Logger M-241c User’s Manual

Track Log File Status

During the uploading of the track log, the track log files (*.trl) and (*.kml) will be

generated. If the user has logged multiple tracks (Note: when the user press

the “Log Start” on the Track Logger and then press the “Log Stop”, a new track

log will be generated.) Each segment of the main track log file will be named

under the convention: User

Name_Start_YYYYMMDD-HHMMSS_Finish_YYYYMMDD-HHMMSS, which

means that the segment of the track log is logged from the date-time right after

the “Start” to the date-time date-time right after the “Finish”.

(YYYYMMDD-HHMMSS: year/month/day-hour/minute/second). The filename

extension is (*.trl) or (*.kml). If the user select “Save all the tracks into the same

file” in the Track Upload Options, there will be an additional track log file: User

HOLUX GPS Logger M-241c User’s Manual

Name_Total_Start_YYYYMMDD-HHMMSS_Finish_YYYYMMDD-HHMMSS,

which covers all the segments of the track log files.

HOLUX GPS Logger M-241c User’s Manual

Track Log Format

Track Log FormatTrack Log Format

1. Page：Track Log Format Page.

2. Directory：Select the track log source file (*.trl) that you are uploading.

3. Time Zone (UTC+-) ：Select the time zone as device time zone (UTC).

4. Output Format：Select the output file format that you want to convert.

5. Convert：Convert the source file (*.trl) to the selected file format.

6. Apply All：Set “Track Log Setting” and save these settings in the device.

7. Default All：Update all settings to default. (if the user wants to save

“Track Log Setting” in the device, please click the “Apply All” button)

1111

2222

3333

HOLUX GPS Logger M-241c User’s Manual

Track Log Photo

Track Log PhotoTrack Log Photo

5555

6666

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7777

8888

9999

HOLUX GPS Logger M-241c User’s Manual

1. Page：Track Log Photo Page.

2. Directory ：Select the track log source file (*.trl) that you are uploading.

3. Directory ：Select the image directory that you want to combine.

4. Photo Combine Setting：Calibrate Photo Time.

5. Convert：Combine the image files and log data to a “ *.kml ” file.

6. Photo Processing Statistics: Show photo processing statistics

information including numbers of parsing photo and combining photo successfully and failed. (Reference Top Figure)

7. Photo Processing Detailed Status: Show each photo processing

detailed status including error message.(Note: The error message: “No

mapping any track log point.” means the photo is in the range of photo

discarded threshold. See next section: Photo Combine Setting: Photo

Discarded Threshold) (Reference Front Figure )

8. Apply All：Set “Track Log Setting” and save these settings in the device.

9. Default All：Update all settings to default. (if the user wants to sa ve

HOLUX GPS Logger M-241c User’s Manual

“Track Log Setting” in the device, please click the “Apply All” button

HOLUX GPS Logger M-241c User’s Manual

4444

1111

2222

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6666

3333

Photo Combine Setting

1. Time Zone For Photo (UTC+-) ：Select the time zone as device time

zone (UTC).

2. Calibrate Time：Calibrate camera photo time to match the device

showing time.

3. Photo Discarded Threshold: Describe the threshold that photo is

discarded. (Note: In second threshold, the 2 minutes is maximum log

argument time in Track Log Setting page.)

4. Write Track Log Record in Photo: Write combined track log record in

photo EXIF. Track log record information includes latitude, longitude,

altitude, and UTC time and date stamp. (Note: Currently support write

track log record in only Canon and Sony photo JPEG EXIF format.)

5. OK：Set the selected item.

HOLUX GPS Logger M-241c User’s Manual

6. Cancel：Do nothing, and exit.

HOLUX GPS Logger M-241c User’s Manual

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Download and Update Firmware

HOLUX GPS Logger M-241c User’s Manual

Note: Utility only supports UBS connection. connection is currently not

supported. If the download process is interrupted please download the file

again to resume the device’s BT Mac Address

1. Page: Download and Update Firmware

2. Warning Declaration: Tell the user to notice some important operations

before downloading. The warning declaration is: [Warning] Download

and update firmware is the very dangerous operation, it may destroy the

device system if careless. Please make sure the firmware file format is

correct before downloading ,and please don't disconnect cable from

device or PC site.

3. Update Firmware File(*.bin): Select the update firmware file (*.bin).

4. Download and Update Status: Display the download and update

procedure status.

5. Download Progress Bar: Display the download progress.

6. Download and Update: Execute download and update operation.

7. Apply All：Set “Track Log Setting” and save these settings in the device.

HOLUX GPS Logger M-241c User’s Manual

8. Default All：Update all settings to default. (if the user wants to save

“Track Log Setting” in the device, please click the “Apply All” button)

HOLUX GPS Logger M-241c User’s Manual

10. Installation of Mini GPS Viewer program

We provide the program “Mini GPS viewer.exe” for end users to watch the

satellite signal receiving status on laptop.

For Windows 2000/XP OS, you can execute “Mini GPS viewer_PC”

directly.

HOLUX GPS Logger M-241c User’s Manual

11. Execute the Mini GPS Viewer program

The following window is shown after executing Mini GPS Viewer,

(see Fig. 1).

(Fig. 1)

Setup the Baud rate: 38400, then select your COM Port

respectively, and tap the “Open” button.

GPS information status will display. (see Fig. 2).

(Fig. 2)

HOLUX GPS Logger M-241c User’s Manual

In the “status” pane

l you can see “Hot Start” “Warm Start” “Cold

Start”, which allow you to re-acquisition the Ephemeris and

Almanac. Basically, the satellites are always moving in the sky, if

Ephemeris and Almanac data in the GPS Logger can’t meet real

satellites status or if the GPS Logger has been powered off for over

0.5 hours but you are no longer in the previous position, then it will

take more time for the GPS Logger to obtain a GPS position fix. We

suggest that you click “Cold Start” or “Warm start” to re-acquisition.

Or you can remove the battery for 120 seconds and reinsert it; this

operation is the same as “Cold Start”.

、、

HOLUX GPS Logger M-241c User’s Manual

12. Power

M-241c is powered by the AA size battery, the alkaline battery is

recommended for the environmental protection and a longer

working time. The following table shows the reference working

time for different battery types. When M-241c is operated under an

environment at a low temperate, the working time of the battery

will be shorter than that in the room temperature.

Note: DO NOT use rechargeable batteries to avoid malfunction.

When battery low, the icon” ”will flash from the battery low warming to

shut down that depends on different types as about 60~ 90minutes.

The reference working time for different battery types.

Condition

Type

Alkaline Battery

Ordinary Battery

Rechargeable Battery(1700mA)

Room

Temperature

12 hours 2 hours 10 hours

4 hours NA NA

10 hours NA NA

Low

Temperature

High

Temperature

M-241c can be powered by the Car Charger or the USB Cable to

continue the operation of the M-241c without any battery. However,

it does not equip with the charging function. It can not perform the

charging operation even if the rechargeable battery is used.

13. Warranty

The M-241c is guaranteed to be free from defects in material and

functions for a period of one year from the date of purchase. Any failure of this

product within this period, under normal conditions, will be repaired at no

charge to the customers.

HOLUX GPS Logger M-241c User’s Manual

port is conflicted/occupied by other

process, the initial process of flash

14. Troubleshooting

Problems Possible Reasons Methods

Weak or no GPS signal at the

No GPS

output but

GPS timer is

counting

execute fail function unstable

Cannot open

the COM port

No display Battery low Please check battery.

place of M-241c

The ephemeris and almanac data

in the GPS memory are no longer

valid after an extended period of

nonuse.

connection interrupted or COM

programs.

Test under an open sky at a fixed location

and run the Mini GPS Viewer “Cold start”

function.

Remove the Battery for 120 seconds and

re-insert, then power on to test again.

This operation is the same as “Cold Start”.

Power On/Off M-241c.

Re-Start PC and refer to section 10

“ device connection installation” to

re-connect.

Check the connection again,

Check and close other programs that

might conflict with.

Logger

function on,

but no POI

recorded

Velocity and

position

shifting when

static

Logger

function can’t

work

No acquisition Please move to open sky to reacquisition.

Log mode is by distance, so it

Change log mode to “by time”

won’t record if no movement.

Ensure you interval setting meet your

log mode is by long interval

situation.

Because the satellite signal may

be shifted easily due to the

It’s a GPS character, just move to open

interference when the moving

sky area to get better GPS signal.

speed is less than 10 km/hr or

under the environment with tall

buildings that the satellite signal is

not good,

When device is suddenly shut

down in flash memory erase

Power on again to erase.

will be failed.

HOLUX GPS Logger M-241c User’s Manual

Federal Communications Commission (FCC)

Statement

This equipment has been tested and found to comply with the limits for a Class

B digital device, pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one of the

following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and Logger.

- Connect the equipment into an outlet on a circuit different from that

to which the Logger is connected.

- Consult the dealer or an experienced radio/TV technician for help.

CAUTION: Any changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate this

equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the

following two conditions: (1) This device may not cause harmful interference,

and (2) this device must accept any interference received, including

interference that may cause undesired operation.

This equipment must be installed and operated in accordance with provided

instructions and the antenna(s) used for this transmitter must be installed to

provide a separation distance of at least 20 cm from all persons and must not

be co-located or operating in conjunction with any other antenna or transmitter.

End-users and installers must be provided with antenna installation

instructions and transmitter operating conditions for satisfying RF exposure

compliance.

This equipment is in compliance with the essential requirements and other

relevant provisions of Directive 1999/5/EC.

HOLUX GPS Logger M-241c User’s Manual

Holux M-241C User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual