XT Racing GPX Pro User Manual Download Page 34

Page: 34 / 95

GPX Pro Manual

Wiring Summary – CABLE “A”

Black wire

Connect to vehicle’s negative battery terminal

Red wire

Connect to (preferably switched) source of 12V

(positive battery terminal)

Green wire

Digital input # 5

Blue wire

Connect to coiled wire around spark plug if

utilizing coupled (inductive) RPM pickup

Brown wire

Analog/digital input # 1

Yellow wire

Analog input # 2

Wiring Summary – CABLE “B”

Black wire

Connect to vehicle’s negative battery terminal

Red wire

3V output. May be used to power linear

potentiometers for suspension inputs.

Green wire

Analog input # 4

Blue wire

Analog input # 3

Brown wire

Do not use. Future expansion.

Yellow wire

Do not use. Future expansion.

Summary of Contents for GPX Pro

Page 1: ...User Manual 11 11 2010...

Page 2: ...The publisher and the author make no claim to these trademarks While every precaution has been taken in the preparation of this document the publisher and the author assume no responsibility for error...

Page 3: ...ata Acquisition DAQ 27 Basic Information 31 Installing Cables 31 Wiring w ith Scotchlok Connectors 32 Basic DAQ Setup 34 Typical Inputs 34 RPM 36 Throttle Position 36 Temperature 38 Gear 40 Accelerati...

Page 4: ...nd s sessions 61 2 Database sessions 61 Session tree 63 Session management 64 Track filter 64 Date filter 65 3 Input configuration 65 Input range 66 4 Analyzing sessions 66 Track map 67 Overview 68 Mo...

Page 5: ...peed for example 60 100 mph Instrument Cluster mode provides a dashboard for your vehicle when you are not racing Without any external connections timing and speed information track maps and accelerat...

Page 6: ...an purchase an optional external antenna that will allow placing the antenna separate from the GPX and often can provide better reception If the GPX has been powered off for less than 2 hours then whe...

Page 7: ...k you have just raced If you just hit Menu at this point it will use the name suggested NEW TRACK 1 as the track name If you would like to name the track otherwise press the Left and Right arrow butto...

Page 8: ...on to cycle through the laps for that session Press Menu to return to the summary screen for that session To see the track map for a lap press Select On the track map screen the dot will start moving...

Page 9: ...a loop the GPX determines that you are at a new track It records your session and when it is done it will default the track name to something like NEW TRACK 1 and you may then change the name to the...

Page 10: ...t you will see an animated dot moving around the track To stop it near where you want press either arrow to stop it Then you may press Left or Right to fine tune the position When you are happy with t...

Page 11: ...t at the specified count see below and counts down Set number of laps per session used for Count down Hold time at end of each lap number of seconds your lap time will freeze on the display at the end...

Page 12: ...DS will be utilized Off lights will not be used for anything 1 LED at a time only one LED lights up at a time All LEDs more LEDs light up at increasing RPMs consumes more battery power Thumbs up down...

Page 13: ...ues use more battery power LCD contrast adjusts the contrast of the LCD panel Normal or reverse display Normal display Black characters on a white background Reverse display White characters on a blac...

Page 14: ...w dates will be displayed 4 23 2008 month day year 2008 04 23 year month day RPM format specifies how RPMs will be displayed 11200 full value 11 2K in K Miles per hour or kilometers per hour MPH dista...

Page 15: ...s the basic racing mode of the GPX Circuit Racing races that occur repetitively over the same course circle oval road racing Point to Point Racing racing from a start point to a finish point rally Dra...

Page 16: ...you set the finish point you may define the start finish split points in any convenient order Notice that on the menus a check mark is displayed next to each point which you have defined To start the...

Page 17: ...oint to point track direct entry of GPS coordinates To do this you must obtain the latitude and longitude of the points For example the website http itouchmap com latlong html is one such source There...

Page 18: ...ctional minute Distance to next split and finish The default spinner screen for point to point shows the distance to the next split and the distance to the finish These are straight line distances as...

Page 19: ...Race start method Running start you start behind the starting line and fly by the start line Standing start a race starter starts you Timing starts when the vehicle goes in motion Acceleration sensiti...

Page 20: ...er options controls how the tach lights and tach bar during races will be utilized Tach style how the 8 LEDS will be utilized Off lights will not be used for anything 1 LED at a time only one LED ligh...

Page 21: ...t 10 seconds after every keypress and lap or split completed Always ON always on consumes more battery power Backlight brightness a value from 1 10 controlling the brightness higher values use more ba...

Page 22: ...equired File system check checks the integrity of the GPX s built in file system Display Formats and Units Time Format specifies how times will be displayed 16 26 style 4 26 PM style Date format speci...

Page 23: ...alization line 1 Clear personalization line 2 Show Version Information displays information about the GPX software version Reset settings to factory default resets all settings Does not delete session...

Page 24: ...tart after a brief cycling of red to yellow to green and the reaction time is recorded There is no track for drag racing You can do it anywhere To start a drag race after you have selected the type of...

Page 25: ...less than the roll on minimum speed 10 the maximum speed is set to the minimum speed 10 For example if you set the roll on minimum speed to 50 and the roll on maximum speed to 55 the maximum will actu...

Page 26: ...a specified start speed roll on start speed to a higher stop speed roll on stop speed Drag race starting method Standing start start whenever you re ready Tree lights start when the LEDs go green meas...

Page 27: ...lights will blink Tach brightness a setting from 1 10 of increasing brightness of the tach lights Tach RPM Green the minimum RPMthat the green LEDs come on Tach Yellow the RPMat which the yellow LEDs...

Page 28: ...wer off after this many minutes of no activity the GPX will turn off File Maintenance Delete last viewed session for deleting the last session you viewed in the GPX confirmation required Delete a trac...

Page 29: ...ahrenheit or Celsius specify the temperature scale Fahrenheit Celsius Latitude longitude format display and data entry method for coordinates N34 13 7326 degrees minutes fractional minutes N34 228877...

Page 30: ...60 0 60 0 mile etc Instrument Cluster a dashboard 1 4 Instrument Cluster Mode In Instrument Cluster Mode there is only one screen the main screen Use this mode as a dashboard when you are not racing...

Page 31: ...in screen 1 6 Switching Racing Modes To switch racing modes for example you are in Circuit Racing and you want to go to Drag Racing from the main screen press Menu to go into the menu system Use the a...

Page 32: ...12V power essentially the positive terminal of the vehicle s battery This is done with the RED WIRE OF CABLE A If you connect to the vehicle s 12V then the GPX will always be powered by your vehicle T...

Page 33: ...It may be used as either an analog or digital input Analog input 2 is the YELLOW WIRE OF CABLE A Analog only Analog input 3 is the BLUE WIRE OF CABLE B Analog only Analog input 4 is the GREEN WIRE OF...

Page 34: ...nect to coiled wire around spark plug if utilizing coupled inductive RPMpickup Brown wire Analog digital input 1 Yellow wire Analog input 2 Wiring Summary CABLE B Black wire Connect to vehicle s negat...

Page 35: ...ake sure the grommets are oriented correctly and near their final location 7 Flip the back cover over and fit the grommets to their holes 8 Install the screws being careful not to over tighten them e...

Page 36: ...GPX Pro Manual 32 2009 XT Racing BAD 1 7 2 Basic DAQ Setup All DAQ setup is performed via the menu item Data acquisition setup and parameters from the main menu...

Page 37: ...it is not being captured Each channel has an individually configurable capture rate see below Depending on the type of input from a minimum of 5 samples per second Hz to a maximum of 250 samples per...

Page 38: ...m set See the section below entitled Alarms The lower portion of the screen shows the current value for the currently highlighted input and information about its calibration Also for analog channels t...

Page 39: ...ing at the RPMindication on the main screen If it is not picking up properly you can try a few more wraps of the wire around the spark plug wire until the RPMgets picked up reliably Once the pickup is...

Page 40: ...gital input has precedence over the coupled input 1 7 3 2 Throttle Position Throttle position needs two points for calibration the 0 throttle position no throttle applied and the 100 throttle position...

Page 41: ...ntact infrared temperature gun You can purchase one from www xtracing com You need to point the gun at a place where the coolant is circulating For each temperature you want to calibrate do the follow...

Page 42: ...st enter in the menu system the number of gears the vehicle has not including neutral Then you are prompted to put the vehicle in each gear and neutral This completes the calibration The data acquisit...

Page 43: ...rpm than normal in that gear for the speed you are travelling 2 there is no recording of a neutral neutral cannot be determined with this method 3 a change in tire pressure or diameter or a change in...

Page 44: ...longitudinal Gs are as follows 0G positive numbers acceleration 0G negative numbers deceleration For lateral Gs negative numbers turning to the left positive number turning to the right Since the GPX...

Page 45: ...mounted to the wheel A simple example is the bicycle computer It consists of a magnet attached to a spoke of the wheel and a pickup which detects the magnet passing by To increase accuracy the more pi...

Page 46: ...ill be measuring the full travel of the device That is OK but it does not tell you what the limits of travel are when it is mounted on the vehicle It may not be possible to fully extend and compress t...

Page 47: ...ion on Alarms 1 7 4 Generic Types of Inputs If you select Custom as the type of DAQ input you have a choice from the following menu 1 7 4 1 0 100 A 0 100 input is an input which gets calibrated at 0 i...

Page 48: ...e exceeding a specified temperature and another may be set for the temperature falling below another specified temperature For a switch input you can specify that the alarm occurs either when the swit...

Page 49: ...leared to allow entry of the new name You may de calibrate i e remove calibration information for an analog channel The primary use for this would probably be for a temperature capture channel where m...

Page 50: ...sition of this text via GPStudio Also on any main or running screen you may display the RPMas a graphical tach bar on the LCD Again you can control the position and size of this tach bar with GPStudio...

Page 51: ...red is the RPMat which the red LEDs turn on You should set green at a lower RPMthan yellow and yellow at a lower RPMthan red The last two LEDs are white and you specify the RPMat which the white LEDs...

Page 52: ...ith the backlight might be a useful configuration 1 9 4 Backlight When enabled the LCD backlight brightness can be selected from 1 dim to 10 bright Since it uses a considerable amount of power do not...

Page 53: ...ws are metric M3 threaded If you mount the GPX using these brass inserts make sure that the length of M3 screw that you are using is not so long that it could potentially break through into the inside...

Page 54: ...ue to excessive use of the backlight or the tach lights The battery is charged whenever the device is connected to a 12V source through the external cable or whenever it is connected via the USB port...

Page 55: ...he amount of data acquisition data stored The higher the sample rates for data acquisition channels the more memory is consumed each second and therefore the less total time may be stored in the GPX T...

Page 56: ...the GPX turned on in your car for example when just driving somewhere once you hit the starting speed it will think you are racing and begin looking for a track or loop The GPX will actually start sto...

Page 57: ...in more detailed information about how GPS works visit the following links http sss mag com gps1 html http en wikipedia org wiki Global_Positioning_System 1 11 Troubleshooting If the GPX appears be n...

Page 58: ...Loading sessions Before you can use XTStudio to compare your races you will need to connect your device to the XTStudio database and download your sessions Every time you connect your device while XTS...

Page 59: ...ce with the database The other option is only used if the device you are connecting is a replacement due to buying a new one or sometimes from and authorized repair with XT Racing In this case you wil...

Page 60: ...ro Manual 56 2009 XT Racing 2 1 2 Downloading a device After the device is connected the download sessions dialog will appear if there are sessions on the device that need to be downloaded to the data...

Page 61: ...will be added to all of the sessions downloaded at that time When you are ready click Download and the process will begin Each file will move the progress bar as it downloads When the progress bar rea...

Page 62: ...file and choose the old gpstudio dat file from the file dialog usually in My Document GPStudio After XTStudio successfully detects the data file as a GPStudio database you can click Next to specify t...

Page 63: ...present in the XTStudio database or you want to create a new profile for the imported sessions then choose Import data into new profile If you choose to import the data into an existing profile then y...

Page 64: ...ou to share sessions with your friends By exporting sessions from your database and then emailing or posting them to a forum your friends can then import the session into their database and compare al...

Page 65: ...ownload them into XTStudio you will have them forever Sessions in XTStudio are stored by the track name and the date the session took place To make sure that the date and time of the session is accura...

Page 66: ...ssion you have raced will be displayed under the track name Pre roll and post roll sections are also present for these sessions Drag sessions Each drag race that you run will appear under the top leve...

Page 67: ...your device You can also delete a profile and all of its sessions by choosing Delete Profile Session Options Right clicking on a session will allow you to access the session options Set comment this...

Page 68: ...your tracks In addition to these global changes each track can be individually hidden or shown by clicking on the track name 2 2 4 Date filter The session date filter allows you to hide certain sessio...

Page 69: ...on the main menu All of the inputs found in the XTStudio database will be displayed here Each input has a submenu that has the configuration options for that input 2 3 1 Input range With the input me...

Page 70: ...f XTStudio is the analysis of your sessions Analysis of laps or sessions is done via the five major analysis components of XTStudio Controller bar Track map Data bar Graph bar Gauge bar 2 4 1 Track ma...

Page 71: ...p graph or gauge needle belongs to that lap The track map controller bar appears at the top of the track map It maps the length of the track from start to finish as a line The markers that appear on t...

Page 72: ...ack you got on the gas after a turn Only available with acceleration calibrated and capturing The Set as master for comparison item sets the master lap for the comparison The master lap is used when y...

Page 73: ...r The speed of the playback can be increased or decreased with the View Playback speed menu item 2 4 2 Track map The track map window is in the tab area of XTStudio and is where the current track map...

Page 74: ...e you can add multiple graph bars to your XTStudio window graphing multiple variables at once is possible The graph bar is split up into four areas From left to right the areas are Current values disp...

Page 75: ...while dragging it down will zoom out It is possible to zoom all the way out so that the entire session is visible in one view Graph bars can be added to the screen through the Window Add graph bar opt...

Page 76: ...dinal acceleration which is the acceleration in the direction you were traveling in other words this is the braking or throttle acceleration 2 4 3 2 Gear overlay If you have a data channel calibrated...

Page 77: ...is mode provides you a nice overview of the exact places where you were slower on one lap versus another for example 2 4 3 4 Show y axis grid Show y axis grid simple adds y axis grid lines to the grap...

Page 78: ...distance To add a data bar to the screen use the menu item Window Add data bar If data acquisition channels are connected and calibrated then each of the DAQ channels will be displayed For each channe...

Page 79: ...the main menu or by right clicking on the data bar window Each DAQ channel can be individually turned on and off through this menu to access only the channels you are interested in In addition the min...

Page 80: ...GPX Pro Manual 76 2009 XT Racing 2 4 4 1 Options The track maps options are found under the View menu on the controller bar There are multiple options available to control the track map display...

Page 81: ...indow By using this option only part of the track around the current system time will be displayed and as the controller distance changes the display will be panned to keep the dots in the window Trac...

Page 82: ...the offset to separate the display For small tracks or tracks with tight turns to large an offset can result in a display that overlaps itself so set the offset carefully for accurate analysis Track r...

Page 83: ...ng Show track map legend This option will show the keyboard shortcut keys associated with the track map window Show track map comments This option will display the track map comments in the upper left...

Page 84: ...to XTStudio and multiple gauges can be added to a single gauge bar Each gauge will have one needle for each comparison item where again the color corresponds to the color in the controller bar You ca...

Page 85: ...ake it your own Using the screen designer in XTStudio you can customize any and all of the GPX screens with your own boxes lines data acquisition value even images With custom screens for each racing...

Page 86: ...that tells you the current layout file you are editing with a star next to it if it has changed and the active mode and screen you are editing In the screen each object is displayed using a sample tex...

Page 87: ...a friend s layout file The insert menu allows you to add the object types to the current screen layout The screen menu is used to switch the active mode or screen type In addition it allows you to co...

Page 88: ...o display all of the data values that are available in the GPX Pro timer The text object properties editor is divided into three sections The text layout properties the text display values and the scr...

Page 89: ...y will get colored according to which variable they match up to like in the above screen shot This will help you see the link between the text field and the variable As an example the above setup will...

Page 90: ...to insert an image on your screen Again the update interval specifies how fast the image rotates if you specify more than one image 2 5 5 Indicators There are two indicators available The battery grap...

Page 91: ...r race time There are two sizes of spinners available large or small 2 5 8 Tachometer graph The tachometer graph is used to display the tach graph for your current RPM You can specify the width and he...

Page 92: ...ew Hardware Wizard will appear Choose No not this time when the wizard asks you to connect to Windows Update to search for the driver Then click Next If you have the XTStudio CD inserted then you can...

Page 93: ...ication to proceed Windows Vista To begin the installation of the GPX Pro driver on Windows Vista simply plug the GPX Pro into your computer s USB port After the device is connected the Found New Hard...

Page 94: ...ng If this is the case then choose Browse my computer for driver software In the Search for driver software in this location box enter C Program Files XT Racing XTStudio Driver Then click Next This wi...

Page 95: ...XTStudio 91 2009 XT Racing...

Search results

Summary of Contents for GPX Pro

Reviews:

Related manuals for GPX Pro

Brands by name

Popular brands

XT Racing GPX Pro, User Manual

Search results

Summary of Contents for GPX Pro

Reviews:

Related manuals for GPX Pro

Brands by name

Popular brands