Racepak G2X Manual
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Racepak G2X Manual

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INTRODUCTION..................................................................................................................................... 1
DESIGN AND OPERATION SPECIFICATIONS ............................................................................... 2
GPS? .............................................................................................................................................. 2
......................................................................................................................................... 2
G2XPRESS INSTALLATION ................................................................................................................ 4
STANDARD INSTALLATION............................................................................................................... 9
Direction ........................................................................................................................................... 10
Location ............................................................................................................................................ 10
Temperature...................................................................................................................................... 10
Electronic Interference ..................................................................................................................... 10
Movement.......................................................................................................................................... 10
GPS antenna mounting for stock bodied vehicles............................................................................. 11
GPS antenna mounting for open wheel vehicles............................................................................... 11
Connection of the GPS antenna to the G2X...................................................................................... 11
G2X P
OWER AND
Power Connection............................................................................................................................. 12
Tachometer Connection .................................................................................................................... 12
Compact Flash Card Installation ..................................................................................................... 12
Mounting the G2X Display Dash...................................................................................................... 12
PROGRAMMING AND SETUP UTILIZING THE DISPLAY DASH............................................ 13
#1..................................................................................................................................... 14
Display Brightness Adjustment ......................................................................................................... 15
Reset Dash to Factory Default Settings ............................................................................................ 15
Tach Pulse per Two Revolutions of the Engine ................................................................................ 16
Engine RPM Source.......................................................................................................................... 16
Progressive Shift Light RPM Step..................................................................................................... 17
Shift Light RPM Level....................................................................................................................... 18
Speed Source..................................................................................................................................... 18

Table of Contents

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T
W
ACHOMETER
IRING
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  • Page 1: Table Of Contents

    NTENNA OCATION AND OUNTING ROCEDURES GPS antenna mounting for stock bodied vehicles................11 GPS antenna mounting for open wheel vehicles................11 Connection of the GPS antenna to the G2X..................11 G2X P ....................11 OWER AND ACHOMETER IRING G2X P ....................
  • Page 2 ONFIGURATION G2X_C ..............40 ORKING WITH THE ONFIG ONFIGURATION Modifying the Data Logger Setup..................... 40 Adding New Devices to Your G2X Data Logger ................44 MAKING THE INITIAL RUN DATA FILE..................49 ..........................49 RANSFERRING ........................50 ESSION IALOG INDOW ......................
  • Page 3 VIA THE ERIAL ABLE ELATED :......................84 OWNLOADING ELATED :................85 UILDING OURSE RACK ELATED G2X BOAT CONFIGURATION FILE SUPPLEMENT..............86 G2X_C ................... 87 PENING THE ONFIG OAT FOR ..........................88 NFORMATION ............................88 PEED .............................. 88 ..................... 89 CCEL...
  • Page 4 Add Map Segments.......................... 108 Lap Zoom ............................109 Map Report ............................. 109 Segment Report / Segment Compare / Speed Compare ..............110 Tire Temperature / Pressure Calculator Page ................112 G2X INSTRUCTION MANUAL UPDATE SECTION..............113 G2X I – V ..............114 NSTRUCTION...

  • Page 5: Introduction

    INTRODUCTION Thank you for your purchase of the G2X, Racepak’s easy to use GPS equipped data logger. As with any technical item, the product is easy to use, only if the manual is easy to understand. With that thought in mind, we have created a manual that provides an orderly process to the installation and usage of the G2X.

  • Page 6: Design And Operation Specifications

    DESIGN AND OPERATION SPECIFICATIONS The G2X was created to provide an economical and easy method to obtain data that was previously available only when utilizing a standard sensor and wire data system. The combination of the G2X and Display Dash is designed to be an intuitive package, which provides data according to the action of the vehicle.

  • Page 7: Items Contained In The G2X Package

    Items Contained in the G2X Package 1) G2X Data Logger 2) GPS antenna and cable 3) Display dash and cable 4) 12V power / RPM cable 5) Cigarette lighter adapter pigtail 6) Three wire pigtail (power/ground/engine rpm) 7) Compact Flash memory card...

  • Page 8: G2Xpress Installation

    To assist the customer in becoming quickly familiar with the installation and on-track use, the G2Xpress Install Guide was created. While this guide provides all the basic information required for use, review of the remainder of the complete G2X Instruction Manual is highly recommended, before first time use of the G2X.

  • Page 9: Mounting Of G2X And Components

    Mounting of G2X and Components Data Logger Orientation 1. Direction of travel: The data logger must be mounted with the X in the G2X logo towards direction of travel. 2. Level front to rear and left to right: Attempt to mount as close to level as possible.

  • Page 10: Display Dash Programming

    Display Dash Programming The display dash is designed to be intuitive, providing data according to the needs of the user. The following provides an overview of the dash functions Programming Options Mode 1: Setup functions for when the vehicle is not moving, such as brightness. Mode 2: Setup functions that require a moving vehicle, such as gear ratio (engine RPM vs.

  • Page 11: Initial Run Information

    Completion of Run 1. Exit track. 2. Come to a complete stop, but do not turn off power to G2X 3. The G2X stops writing data when no speed is detected for 30 seconds 4. Watch the red PWR LED. When the logger has written all data to the compact flash card, the PWR LED will glow solid.

  • Page 12: Building A Trackmap

    Complete instructions concerning the building of a trackmap can be found in the G2X Manual. In addition, a demo run is available in the DatalinkII software, along with instructions for use, in the back of the G2X Manual.

  • Page 13: Standard Installation

    DISPLAY: Provides connection for the display dash. SERIAL: Provides connection for the RS-232 serial cable, to enable communication between the users PC and G2X. CFC / POWER LED: Provides status of the power connection and Compact Flash Card activity. GPS / SATS LED: Provides status of GPS satellite acquisition.

  • Page 14: Mounting The G2X Main Unit

    Mounting of the G2X in a manner other than described will result in the creation of incorrect data. In the event it is impossible to orient the G2X in the proper direction, the accelerometers can be reconfigured using the G2X Display Dash. However, the G2X must always be mounted flat and level to the ground.

  • Page 15: Gps Antenna Location And Mounting Procedures

    Upon completion of mounting of the antenna, simply route the cable to the data logger and connect to the GPS ANT port of the G2X. Insure the cable end is screwed tightly to the GPS connector. A small wrench can be used to slightly SNUG the connector. Excessive force can damage the connector, resulting in failure of GPS signal reception.

  • Page 16: G2X Power And Tachometer Wiring

    If you are using the three wire pigtail to connect the G2X directly to your vehicles electrical system, make sure the connection provides a 2 – 5 amp fuse to protect against short circuits.

  • Page 17: Programming And Setup Utilizing The Display Dash

    G2X. !!! IMPORTANT WARNING !!! The Serial Cable must be disconnected from the G2X data logger during the Dash Setup Procedures. If the serial cable is connected during programming, no programming changes will occur.

  • Page 18: Setup Mode #1

    Setup Mode #1 Setup Mode 1 is used to program the unit with default information, without the need to operate the vehicle. Setup Mode 1 presents the programming choices in the following order. 1. Display Brightness 2. Reset all Dash Settings to Factory Defaults 3.

  • Page 19: Display Brightness Adjustment

    Display Brightness Adjustment Brightness adjustment ranges from a minimum brightness of 2, to a maximum brightness of 15 Each press increases or decreases by 1. 1) Increase Brightness: Short right press - At 15 returns to 2. 1) Decrease Brightness: Medium right press - At 2 returns to 15 Short left press: Accept selection and go to next setup parameter Long left press: Save programming and Exit Setup: Reset Dash to Factory Default Settings...

  • Page 20: Tach Pulse Per Two Revolutions Of The Engine

    Engine RPM Source The dash can use the input from the PWR/TACH port on the G2X or from the EFI module if installed. This rpm is then used for display, shift light, gear ratio, etc. The user is prompted to choose either yes or no to EFI rpm input.

  • Page 21: Progressive Shift Light Rpm Step

    Progressive Shift Light RPM Step The progressive shift light enables the user to program the green, yellow and red LED’s to display in a sequential pattern, using the Shift Point as defined in the next section as the final display. The progressive shift light turns on the LED's in steps of 1 to 500 rpm according to the programming.

  • Page 22: Shift Light Rpm Level

    Shift Light RPM Level Allows the user to program the shift light RPM for up to 6 gears. The current gear being programmed is shown in the gear display at the top of the dash. Upon entry to this programming screen, Gear 1 is automatically displayed.

  • Page 23: Gear Indicator Ratios

    Gear Indicator Ratios This selection allows the user to input the appropriate gear ratios, in order for the Display Dash to activate the Gear Indicator LED. The ratio to be programmed is simply the Engine RPM divided by the mph and can by calculated using gear ratios and tire diameters. The ratios are programmable from 0 to 500 in increments of 1.

  • Page 24: Gmt Hour Offset

    Long left press: Save programming and Exit Setup Units of Measure Programs the G2X dash to display speed in MPH or KPH. After changing this setting you should also reprogram the wheel speed calibration in SETUP Mode 2 if you are using the wheel speed sensor input to display speed.

  • Page 25: Set Default Real-Time Display

    Set Default Real-time Display Programs the channels initially displayed on the left and right windows when the dash is powered up and enters Real-time display mode. Before entering SETUP Mode 1, drive the vehicle over 5 MPH to enter Real-time Display mode. Continue entering short presses on the left key until the desired default channel is displayed in the left window.

  • Page 26: Setup Mode # 2

    Setup Mode # 2 Setup Mode 2 functions allows the user to utilize inputs from the moving vehicle, in order to automate the programming process. Setup Mode 2 presents the programming choices in the following order: 1) Running Engine RPM Pulse Count 2) Rpm 2 Input For Speed 3) Gear Indicator Using Engine RPM and MPH 4) Installation Direction of the Accelerometers...

  • Page 27: Auto Calibrate Engine Rpm Pulse Count

    Auto Calibrate RPM 2 Speed If you are using the RPM2 input of the G2X for wheel speed, you will need to calibrate this channel before it will read the correct velocity. Using the GPS MPH data generated while driving the vehicle, this step calibrates the rpm 2 channel on the G2X to readout in MPH or KPH depending on the units selected in SETUP Mode 1.

  • Page 28: Auto Calibrate Gear Indicator

    Accelerometer Orientation If the user was unable to install the G2X in the correct direction, this step allows for the reorientation of the lateral and longitudinal accelerometer. This step will only work if the G2X is installed in any 90 degree direction from recommended.

  • Page 29: Operation

    3. The power to the G2X should always be off before inserting or removing the compact flash memory card. You may turn the G2X power off in the middle of a recording, however, doing so will result in lose of the last 5 seconds of data.

  • Page 30: Gps Led

    LED’s. In order for the G2X to provide data, it is necessary for the internal GPS board to locate and lock on the position of at least three GPS satellites, orbiting overhead. Upon initial power up, the user will observe...

  • Page 31: Acquiring Satellites

    Acquiring Satellites The G2X requires at least three satellites, in order to provide data. At any given time, there are ten or more GPS satellites orbiting overhead. Not all of the satellite signals will be detected by the G2X, due to a low horizon orbit position, or natural / man made obstructions.

  • Page 32: Setting The Start / Finish Line

    For example if a Start / Finish is set upon arrival at Track A, this position will be valid for the entire time at that track. If the user then takes the G2X to Track B and sets a Start / Finish at that location, that Start / Finish location will be valid only for Track B.

  • Page 33: Recording Data

    25 MPH for 30 seconds or the power is turned off. It is recommended that you wait for the recording to stop before turning the power off to the G2X. However, if the power is turned off while the...

  • Page 34: Display Dash Modes

    25 MPH for 30 seconds or longer. c) The G2X must be turned off and back on again to reset the display back to lap 0. 3. Setup Mode – Allows for setup and programming of the dash and G2X data logger.

  • Page 35: Display Dash Physical Features

    Display Dash Physical Features Progressive Shift Lights Programming Indicator Left Display Right Display Satellite Indicator Lap Number Decrease Lap Number Increase Gear Indicator Left Programming Right Programming Set Start Finish Set Reference Displayed Channel Indicators ITEM DESCRIPTION Progressive Shift Light Green / yellow / red LED shift lights Programming Indicator Length of press for programming buttons...

  • Page 36: Real-Time Display Mode

    Real-time Display Mode The Real-time Display Mode, as the name describes, provides the user the ability to view real-time dash data, such as MPH and lap times. The Display Dash automatically enters the Real-time Display Mode, anytime one of the following true: 1) Engine speed is above 300 RPM.

  • Page 37: Replay Lap Display Mode

    In addition, the Display Dash can also function as a programming device, allowing access to the G2X, thus eliminating the need to connect the user’s PC to the G2X, in order to program to most commonly changed functions. Some of the more advanced functions must still be programmed using the serial cable and a PC.

  • Page 39: Datalink Software Installation Into The User's Pc

    DataLink Software Installation into the User’s PC Now that we have the G2X installed, the next step is the installation of the DataLink software used to view and analyze the data recorded by the G2X data logger. Locate the CD labeled Racepak DataLink II G2X Data Analysis Software in the materials shipped with your G2X.

  • Page 40: Software Installation

    C:\RacePakData\ folder installed by the original software. This folder contains out of date files that are used by the new G2X Demo software. Some of these files cannot be deleted automatically and may interfere with the operation of the G2X.

  • Page 41: Getting Started With The Datalink Software

    Getting Started with the DataLink Software After you have installed the DataLink software, the next step is to start the DataLink program and to get familiar with some of the features of the program. To begin, locate the DataLink icon on your desktop as shown below and click on the icon.

  • Page 42: G2X_Demo Run Data File

    DataLink program to view run data files. We strongly recommend that you go to G2X Demo File section at this time and work your way through the demo process. If you have installed an earlier version of the G2X_Demo file you will still want to quickly review the new demo file included with the installation disk.

  • Page 43: The G2X_Config Configuration File

    G2X will automatically start logging data at 25 mph. As you use your G2X data logger system you may need to modify the setup of the data logger system or enter new setup information for your vehicle. These changes are made via the G2X_Config or G2X_Config_Metric file.

  • Page 44: Working With The G2X_Config Configuration File

    Modifying the Data Logger Setup In most cases the factory default setup of the G2X data logger system will meet your testing needs or can be modified by using the dash setup modes as discussed in previous portions of this manual. In certain applications for special testing you may need to modify setup features of the G2X data logger not accessible through the dash commands.
  • Page 45 G2X kit between your PC and the Serial input connector on the G2X data logger and supply power to the data logger. Next check to be sure the default communication port used by the DataLink program is the same as the port to which you connected the serial cable.
  • Page 46 Right mouse button. The following dialog box will be displayed. In the upper left corner of the dialog box is the instruction box “G2X Display Dash Setup Instructions”. The box contains the instructions for setting the various parameters on the G2X dash via the easy edit...
  • Page 47 A similar dialog box will be displayed for each of the channel buttons contained in the configuration file. Although the boxes will be different each will contain the setup instructions in the upper left hand corner. Follow the setup instructions and make the desired modification. After you have made your modifications select the OK button to accept the changes.

  • Page 48: Adding New Devices To Your G2X Data Logger

    Do not over tighten the screws, they only need to be snug. The next step is to connect the VNet module to the AUX port on the G2X. This requires a G2X Aux cable, P/N: 680-CA-AUX-084 and an external bus termination cap P/N: 280-CA-VM-TCAPM.
  • Page 49 Turn the power off and remove the compact flash card. b) Remove all 10 screws on top of the G2X. Make sure to note the location of each screw as there are 4 different lengths. The diagram below illustrates the correct location of each screw.
  • Page 50 Step 2: Updating the G2X_Config Configuration file. After you have added the new hardware modules to your G2X system you will need to update the G2X_Config configuration file before you will be able to record and view data from your new sensor modules.
  • Page 51 You should next verify that a new channel button has been added for each new device added to the system. If any devices are missing check the mechanical installation to insure all devices were properly connected and repeat the process above. After you have verified all the data channels are available click on the Save icon in the toolbar or select the Save menu item located in the File main menu selection to save the modified configuration file to disk.

  • Page 53: Making The Initial Run Data File

    Following the G2X recording of data, drive the vehicle to a safe location in order to transfer and review the data. The G2X creates a new file and saves all data gathered from the start of logging (speed greater than 25 MPH) to the end of logging (speed less than 25 MPH for 30 seconds). Each file is saved in a .DDF format and is assigned a number based on date and time.

  • Page 54: Session Dialog Window

    The Map Select Dialog Window is designed to assist the user in selecting previously created and saved GPS Track Maps. After extended use of the G2X, it is possible to have quite a large collection of saved maps. However, the Racepak engineers have created a unique way to provide a limited number of maps, for selection.
  • Page 55 Create New message will appear in the Map Select Dialog Window. Since these instructions assume this is the first download for a new G2X system, select Next The Weather dialog box will be presented. If desired, enter the current weather conditions. If not desired, this information can be entered at a later date, then select OK.

  • Page 56: Trackmap Creation (Closed Course - Oval & Road Race)

    G2X, during this particular run. 5. A minimum of three satellites are required at any given time in a run, in order to produce valid data. Typically, the G2X will utilize between three and seven satellites. Your screen should appear as shown below:...
  • Page 57 GPS track map. A GPS track map is the most important item for data review, as the track map controls all of the timing functions of the G2X and DataLink software. Without a GPS track map, no lap times, segment times or visual driving lines will be available.

  • Page 58: Track Map Creation (Open - Autocross, Solo & Hill Climb)

    Step 2: Select Track Type The next step is to assign the type of track in use for testing. Most all testing will be considered the default setting of Closed Course. Open Course is typically used for events such has Autocross and Hill Climbing, which is covered in the following section.
  • Page 59 Step 2: Select Track Type For open course, select Open Course. Step 3: Set Lap Start / Set Lap End (Open Course Only) As discussed in the previous section, the current data in view represents the GPS position of the vehicle from the start until the end of recording.

  • Page 60: Add Map Segments

    Add Map Segments Now that we have created a GPS track map, the next step is to create track segments. In order for the DataLink software to provide segment data, it is necessary to break the track into corners. Each corner will represent the start and end of a timing segment.

  • Page 61: Add Inside / Outside Track - Optional

    Step 3: Manually Edit Segments It is also possible to manually name a particular turn, override the assigned name to a particular area of the track or creating additional segments by using the Manual Segment Edit. To do so: 1. Position the location of the vehicle (as noted by the X on the track map) in the desired change area. 2.

  • Page 62: Loading Gps Track Maps

    If your Configuration file is not currently open: Open the G2X Configuration File by selecting File, then Open Car Configuration from the Main Menu command.
  • Page 63 Now, all that remains is to save the changes to the Configuration file. To do so, simply select File, and then Save in the Main Menu command. The Save action can also be accessed by utilizing the Save icon, located in the vertical list of icons, on the left side of the DataLink screen.

  • Page 64: Opening A Lap And Graphing Data

    Opening a Lap and Graphing Data At this time, we have downloaded our first run, made a quick check of data and created and saved a track map. We would now like to review the basic procedures for viewing and graphing data. Before opening a lap for review, double click the Clear All Graphs icon, located in the vertical list of icons on the left side of the DataLink screen.

  • Page 65: Distance Mode Graphed Data

    G2X. At this time, graph the GPS_MPH, GPS_LatG’s and GPS_Gs from your currently open lap. Since we now have a track map in place, the data will be graphed compared to time from the start / finish line.

  • Page 66: Speed And Segment Reports

    Speed and Segment Reports Following creation and segmenting of the GPS track map, the segment times will be now be available for review in the Runlog Page area. To view: Insure a lap is open and in view Select the Speed Summary Runlog Page tab, found at the bottom of the DataLink screen. Detailed information concerning segment times, entrance and exit speeds, along with minimum,maximum and average speeds are now available for review.

  • Page 67: Overlay (Graphing) Multiple Files

    The Segment Compare page provides the ability to compare segment timing information for two selected laps. To do so requires the user to choose two laps, for comparison. This action, called Main and Reference lap selection, which is covered in the Advanced Features of the Datalink Software section.
  • Page 68 Remember, to change the graph color of a particular channel, keep the mouse cursor over the Channel Button and continue to left click, until a desired color is obtained.

  • Page 69: Advanced Features Of The Datalink Software

    This information is intended to provide details concerning steps that can be taken to enhance the review of data from the G2X, which in turn will assist in improving driver performance. None of the information is difficult to learn, or requires an extensive amount of time.

  • Page 70: Assigning Reference And Main For Runlog Data Comparison

    Runlog pages. Graph Scaling Explained Racepak technicians assign each channel a default minimum and maximum graph scaling value. As shown, GPS_MPH is set to graph data between 0 and 200 MPH.

  • Page 71: Graph Scaling Values Changed Per Channel

    Scaling: -10 to 10 GRAPH A Scaling: -1.5 to 1.5 GRAPH B Upon first glance, the data appears to be totally different channels. What appear to be small changes in GPS_LatGs in Graph A suddenly become quite large and detailed changes in Graph B. To improve performance using data acquisition, it is important to keep scaling values close to the minimum and maximum values of the channel.

  • Page 72: Chart Scaling Sets

    Chart Scaling Sets The preferred method of graph scaling involves the creation of a Chart Scaling Set. A Chart Scaling Set is universal, in that it has the ability to override all current scaling values and insert user defined values. The Chart Scaling Set applies the values to all selected channels, for all files, until removed by the user.

  • Page 73: Creating Graph Sets For Display - Quick Graphs

    Creating Graph Sets for Display - Quick Graphs Previously, we graphed data by placing the mouse cursor over the desired data channel and left clicking. Often times, users will find the need to graph the same set of channels, each time data is reviewed. It is possible to create graph sets that when selected, will automatically graph the desired channels in a desired color.

  • Page 74: How To Determine The Currently Graphed And Active Channel

    How to Determine the Currently Graphed and Active Channel When graphing and reviewing multiple channels, the location of the mouse cursor in the Main Graph area is indicated by an X. The X represents the channel that the mouse cursor will follow, when moving left and right in the Main Graph area.
  • Page 75 Move the graph cursor to the desired starting point and press the [ key on the keyboard. A vertical bar will be displayed on the graph. Move the graph cursor to the desired ending point and press the ] key on the keyboard. A second vertical bar will be displayed on the graph.

  • Page 76: Graphing Data From An Entire Run

    Graphing Data from an Entire Run There are occasions when it is necessary to review all of the data created during one test outing on the track (Runfile). Data from a Runfile may be graphed the same as data from a Lapfile. Often times, changes that occur are often easier to detect when reviewing the entire Runfile, as opposed to reviewing only one lap of information.
  • Page 77 Click on the Shift Left or the Shift Right icon in the RacePak Chart data toolbar to move the displayed graph region left or right. To reset the main Graph region back to displaying an entire lap, click on the User Scale button in the RacePak Chart data toolbar.

  • Page 79: Viewing Real Time Data (Telemetry) On Your Pc

    Telemetry is accomplished by connecting the Communication Serial cable to your PC, via a serial port or USB / Serial port adapter and the opposite end to the G2X. Before you can view the data, however, you must first setup the real time parameters in your data logger. To setup your data logger’s real time configuration, open the G2X_Config file and right click on the G2X Module channel button.

  • Page 80: Entering The Datalink Telemetry File Parameters

    Note: The V_Net Sample rate of each of the modules to be monitored should be equal to or greater than the real time sample rate. If they are not, the last data points will be repeated during the sample process. Next select the Real Time Communications Port option and type in the name of the serial communications port on your PC you will be using to receive the real time data from the V_Net system.

  • Page 81: Starting A Telemetry Session

    Starting a Telemetry Session After configuring the real time telemetry parameter you are ready to start a telemetry session. S elect the Telemetry icon or the New Telem. Session menu item located in the File main menu election. A dialog box, as shown below will be displayed and you will then be asked to select the configuration file to use for this session.
  • Page 82 Next, insure the serial communication cable is connected between the G2X data logger and the serial port on your PC selected above and power is supplied to the G2X unit. The real time session is controlled via two icons located above the context sensitive help icon in the left side tool bar. Only one icon will be active at a time depending on the status of the telemetry session.

  • Page 83: Frequently Ask Questions

    ½ mph, in high performance driving situations? Laptime accuracy? In multi-year testing of G2X vs. trackside beacon lap times, a maximum variance .05 has been noted. GPS based lap times are dependant only upon vehicle location, and can not be affected by sunlight, signal blockage from other vehicles, power loss to the transmitter, or other problems associated with trackside transmitters.
  • Page 84 Should multiple users comparing data from the same track, use different track maps? No, if multiple G2X users are at the same track and desire to compare data, it is best for one user to create the map, and share between all users. This assures the ability to accurately compare segment times.

  • Page 85: Troubleshooting

    12V source and the compact flash card is used exclusively in the G2X, the G2X will function properly and create data.

  • Page 86: Setting Start Finish With Display Dash Related

    • I took the compact flash card out of my camera, etc and used it in the G2X, but there is no data on the card: The G2X must have a clean card, void of ANY data, when the card is initially installed into the G2X, in order for the G2X to format the card for use.

  • Page 87: Track Mapping Related

    • I can not build a trackmap: If you did not pass start finish at least two complete times, there will not be a complete lap recorded by the G2X, which prevents a map from being created. The DatalinkII software must have one complete lap, before building a map.

  • Page 88: M Ypc Can Not Communicate With The G2X Via The Serial Cable Related

    • Can I take a data file straight from the Compact Flash card into the DatalinkII software: No. A .ddf format file must be downloaded into the DatalinkII software using the New Upload green colored icon. • I want to download using the serial cable: The G2X is designed to download using the Compact Flash card.

  • Page 89: Building An Open Course Track Map Related

    For autocross, the G2X can be set to start logging with various channels. Some users have programmed the G2X to start logging at .2 or .3 accel g data. This allows almost instant logging start, as soon as the vehicle moves.

  • Page 90: G2X Boat Configuration File Supplement

    G2X Boat Configuration File Supplement The G2X_ConfigBoat is a standard G2X configuration file with the addition of a Prop Slip and Prop speed math channel. Both channels derive their data from a combination of engine rpm and GPS MPH along with prop data that is input by the user into the configuration file thus enabling the channels.

  • Page 91: Opening The G2X_Configboat For Use

    Next, select File, then Open Car Configuration from the Main Menu command. The user will be presented with the Select Configuration dialog window: 1. Select G2X from the left column 2. Select G2X_ConfigBoat from the right column 3. Select OK At this time, the G2X_ConfigBoat will now be in view.

  • Page 92: Prop Information

    Prop Information To enter the prop data, select the Boat button as found at the bottom of the Runlog area of the DatalinkII software. This action will open the Prop Speed, Prop Slip and Accel Time Runlog pages. Next, select the Prop Speed tab at the bottom of the screen.

  • Page 93: Accel Time Runlog Information

    Accel Time Runlog Information The Accel Time Runlog page provides acceleration time data, in report format. The Datalink II software combines GPS MPH data with beginning and ending MPH points inserted by the user, to calculate the time between two MPH points. 1.
  • Page 94 11. The Datalink II software is designed to review acceleration data between two markers and provide time data. If multiple markers are placed, the Datalink II software automatically continues to create time data for each pair of markers, as seen in the example below. Note: The above screen was trimmed for clarity.

  • Page 95: G2X Demo

    G2X Demo PC Screen Resolution Settings Before reviewing the demo data, it is helpful to verify the PC screen resolution is set to the highest possible level. Doing so insures that all icons are visible. In addition, the greater the resolution, the better the graphed data will appear.

  • Page 96: Opening The G2X_Demo Runfile

    Opening the G2X_Demo Runfile In typical usage, the G2X starts the recording process when a pre-set number is obtained, for a given channel. For example, recording can start when the GPS MPH exceeds 25. All data gathered from that start point until the vehicle returns to the pit area is referred to as a Runfile.

  • Page 97: Adjusting The Screen Sections

    Adjusting the Screen Sections Your PC screen should now display the following (less the callout boxes added for manual clarity): Channel Buttons Graph Area Runlog Pages Upon opening of the above Runfile, it will be necessary to adjust the horizontal size of the Channel Button, Graph and Runlog page area.

  • Page 98: Adjusting On-Screen Font Size

    Adjusting On-Screen Font Size The on-screen font size of the Channel Button and Runlog areas may be enlarged or reduced, to suit the users needs. To adjust the size: Select Preferences, then Settings from the Main Menu. The following dialog box will be displayed. Adjust the Channel Button font and Runlog font through use of the slider bar located below each heading, according to the user’s preference.

  • Page 99: Opening A Lap

    Opening a Lap At this time, the G2X_Demo Runfile should be open. The Datalink software saves individual lap data, with corresponding laptimes (called a Lapfile) within the Runfile. Simply worded, a Runfile is a folder with all the laps placed inside. To open a lap: Place the mouse cursor over the G2X_Demo tab and Right click.

  • Page 100: Graphing A Data Channel

    Graphing a Data Channel The next step is to graph data on the Datalink screen. We will begin by graphing a single channel, the GPS_MPH. To graph a single channel: Place the mouse cursor over theGPS_MPH Channel Button. Left click the mouse button. TheGPS_MPH Channel Button will now have a color box displaying the color of the data graph that is now in view in the main Graph window.

  • Page 101: Viewing Data In Distance Mode

    Viewing Data in Distance Mode In order to produce a graph, a comparison must take place. In the previous example, the GPS_MPH was compared to time, which begins and ends at the start / finish line. The time into the lap, according to the position of the mouse cursor in the Main Graph area is provided by the Cursor Position Box In certain applications, it is often more useful to compare the data to distance from the start / finish line.

  • Page 102: Remove A Data Channel From The Graph Area (Erase)

    Since we previously had graphed GPS_MPH, GPS_LatG and GPS_GsAccel from Lap 2, that data will remain graphed. However, no data from Lap 1 will appear in the Main Graph area, until selected. In order to “activate” Lap 1 for graphing: Place the mouse cursor over the Lap 1 tab and left click.

  • Page 103: Assigning Main / Reference File Setting

    Place the mouse cursor over the Lap1 file tab and left click. The min, max and average data is displayed, for Lap 1. Now, place the mouse cursor over the Lap 2 file tab, and left click. The min, max and average for Lap 2 is in view, replacing the data for Lap 1.

  • Page 104: Segment Time Data Comparison

    Speed Compare provides a comparison of segment/speed data for two laps as determined by the Main and Reference settings. Segment Report provides a breakdown of segment times for all laps contained within the G2X Demo Runfile. Segment Compare provides segment comparison data between two laps. Any two laps designated as Reference and Main will be compared.

  • Page 105: Advanced Features Of The Datalink Software

    Advanced Features of the Datalink Software Channel Grid Display Multiple channels from multiple files may be graphed at the same time, in the Main Graph area. However, the scaling of the Main Graph area can only reflect one channel. To change the Main Graph scaling to reflect the values of other graphed channels: Place the mouse cursor over the Channel Grid Display, located above the Main Graph area.

  • Page 106: Understanding Graph Scaling

    Understanding Graph Scaling Each channel is assigned a default minimum and maximum graph scaling value. As shown, GPS_MPH is set to graph data between 0 and 200 MPH. As is often the case when testing at multiple race tracks, different MPH values are obtained.

  • Page 107: Creating Chart Scaling Sets

    Creating Chart Scaling Sets To create a Chart Scaling Set: Select Settings, then Select Chart Scaling Set from the main menu selection. The following dialog box will be displayed. Enter the name you wish to call the new scaling set into the text entry box locateddirectly below the Select Name heading.

  • Page 108: Predefining Graph Sets For Display

    Predefining Graph Sets for Display Previously, we graphed data by placing the mouse cursor over the desired data channel and left clicking. Often times, users will find the need to graph the same set of channels, each time data is reviewed. It is possible to “build”...

  • Page 109: Graphing Runfile Vs. Lapfile Data

    Graphing Runfile vs. Lapfile Data There are occasions where it is necessary to review all of the data created during one test outing on the track (Runfile). Data from a Runfile may be graphed the same as data from a Lapfile. Often times, changes that occur are often easier to detect when reviewing the entire Runfile, as opposed to looking at only one lap of information.

  • Page 110: Zoom Command

    Click on the Shift Left or the Shift Right icon in the RacePak Chart data toolbar to move the displayed graph region left or right. To reset the main Graph region back to displaying an entire lap, click on the User Scale button in the RacePak Chart data toolbar.

  • Page 111: Runlog Pages

    Runlog Pages The Runlog pages at the bottom of the Datalink screen are a general-purpose data analysis section. These pages offer a combination of graphics display, logbook, database, spreadsheet, and mathematical analysis capability. The purpose of the pages is to provide real time data analysis of the run data. By doing so, this reduces the technical expertise required for data analysis.

  • Page 112: Create Gps Track Map

    Weather data can be entered utilizing one of two methods. The first method is to manually enter the weather conditions, either during or after the data is downloaded. The second method requires the use of the appropriate Altalab weather station. The user simply left clicks the “Get ALTACOM Weather on COM 1”...

  • Page 113: Lap Zoom

    Lap Zoom The Lap Zoom page provides a both a GPS track map and GPS track map with zoom features. The zoom feature allows the user to zoom into any area of the track map, for detailed data analysis. Map Report The Map Report page provides detailed speed analysis for each track segment.

  • Page 114: Segment Report / Segment Compare / Speed Compare

    Segment Report / Segment Compare / Speed Compare Each page provides detailed segment timing information. Segment Report provides a review of all segment times, for all laps contained within one Runfile. Speed Report provides an analysis of segment / speed for two laps. Segment Compare provides the ability to compare segment times from two selected laps.
  • Page 115 User Pages 1 through 3 The User Pages 1, 2 and 3 provide the ability to create custom Runlog pages, which contain input areas particular to each individual users needs. Each page can be pre-defined with a question / answer type of configuration.

  • Page 116: Tire Temperature / Pressure Calculator Page

    Gauges The Gauges page provides a “dash panel” view of graphed data. User Gauges page provides the ability to select the input of each gauge as defined the user, according to the data under review. The Dash page is pre-defined and provides RPM / Speed and G force data. As the mouse cursor is moved through the graph area, the gauge movement corresponds to the data channel associated with the gauge.

  • Page 117: G2X Instruction Manual Update Section

    All updates will be available online at www.g2extreme.com or may be obtained by contacting the Racepak office. If desired, the G2X Instruction Manual can be installed in a three ring binder in order to allow insertion of future updates.

  • Page 118: G2X Instruction Manual Updates - Version 2.7B

    4. TrackVision Export Runlog Page 5. Delta (Difference or Slip) Math Channels Note: Exporting the Start / Finish Position feature requires G2X firmware version 36 or higher. Chassis Scaling Runlog Page By using the G2X_Config file found in Version 2.6b or greater of the DatalinkII software the user may now access the Chassis Scaling Runlog page.

  • Page 119: Delta (Difference Or Slip) Math Channels

    1. Open single or multiple Runfiles that contain the Delta channels. 2. Open at least two Lapfiles. 3. Select a Reference and Main lap file as outlined in the G2X Instruction Manual. 4. For this example, graph the MPH_Difference Delta channel for both the Reference and Main lap file.

  • Page 120: Exporting The Start / Finish Position Runlog Page

    Following this action, simple insert the compact flash card into the G2X and power the G2X up. The start / finish is now set in the G2X, which will allow the display dash to provide lap time and lap number information. This start / finish location can be re-set by using the Display Dash method or by exporting another start / finish location to the compact flash card (as taken from the GPS trackmap).

  • Page 121: Tire Data Runlog Page

    Tire Data Runlog Page By using the G2X_Config file found in Version 2.6b or greater of the DatalinkII software, the user may now access the Tire Data Runlog page. The Tire Data Runlog page was designed to provide an area to input tire temperatures and pressure build up, during track test events.
  • Page 122 1. Open a Runfile that was downloaded utilizing the updated G2X_Config file found in Version 2.7b or higher of the DatalinkII software. 2. Select the Run Log Menu Runlog tab at the bottom of the DatalinkII software. 3. Select the Track Vision Export button found under the Favorite Log Page Shortcuts heading as shown below.
  • Page 123 The custom export function allows the user to create a custom list of data channels to be utilized in the TrackVision software. Any G2X channel that is producing valid data may be included in this list. A partial list of channels is included in the Custom Channels List to Export. To export custom data: 1.

  • Page 124: G2X Instruction Manual Updates - Version 2.8A

    G2X Instruction Manual Updates – Version 2.8a 1. Added G2X_Config_Metric configuration file for metric units. See section “The G2X_Config Configuration File” for instructions. Date: 1/31/2007 Application: DatalinkII Version 2.8a...

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