G-Tech Pro Competition User Manual

Performance meter

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Update 3.1.1 Dec. 2003

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Summary of Contents for G-Tech Pro Competition

Page 1 Update 3.1.1 Dec. 2003...
Page 2: Table Of Contents
Saving a run / default name ......58 G-tech Front Side ....... 10 G-tech Stored Runs Capacity .
Page 3 Adjusting the LCD Contrast ..... 119 Horsepower, Torque & G-tech ....157 What does my vehicle weigh? .
Page 4 Figure 3: G-tech cables........
Page 5 Figure 45: Performing an Acceleration Run ....140 Figure 46: Permanent Mounting Stem ..... . . 151 G-TECH / Pro Competition User Guide, Release 3.1...
Page 6: Welcome
Welcome Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 7 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support. G-TECH / Pro Competition User Guide, Release 3.1...
Page 8 Performance Meter records and increase the consistency of your measurements. For us, the G-tech has been a labor of love. It has all of the Thank you for purchasing your G-TECH / Pro Competition features you’ll ever want and there is truly nothing else like it Performance Meter.
Page 9 G-tech. Warning: Don’t take your eyes off the road. The G-tech TESLA Electronics Inc. reserves the right to make changes to will record your results for viewing and playback after the this manual and other product specifications at any time run.
Page 10: Basics
Basics This section will give you a basic overview of the G- tech. Every new user should read this section!!! G-TECH / Pro Competition User Guide, Release 3.1...
Page 11: G-Tech Front Side
In this manual, we will refer to the G-TECH / Pro Competition product simply as the “G-tech”. • Photosensor – measures ambient light All input to the G-tech is done through the buttons on the Light Emitting Diodes (LEDs) – red lights that turn on • right-hand side.
Page 12: G-Tech Back Side
G-tech Back Side Cables The back of the G-tech has 2 connectors as shown in Figure The G-tech ships with 3 separate cables: DC Power Jack Serial Communications Port Figure 3: G-tech cables Figure 2: G-tech rear • Serial Cable – used to connect the G-tech to a com- •...
Page 13: Menus And Scroll Bars
Generally, pressing will bring up a multi-line text menu. An example of one of the G-tech’s menus is shown in Figure To replace the fuse, unscrew the tip and replace the fuse with a standard 1 AMP fuse. Fuses can normally be purchased at any automotive parts store.
Page 14: Operating Modes
• Drag Strip Mode You use Configuration Mode to tailor the G-tech to your vehicle and personal preferences. In Drag Strip Mode, you can use the G-tech to make all sorts of popular measurements, including: • 0-60 MPH Times •...
Page 15: Figure 5: Configuration Mode - Main Screen
If you power on your G-tech and the display looks like Figure 5, your G-tech is in Configuration Mode. Figure 5: Configuration Mode — Main Screen If you power on your G-tech and the display looks like Figure 6, your G-tech is in Drag Strip Mode.
Page 16: Figure 7: Switching Between Drag Strip & Configuration Modes
Drag Strip Mode Main Screen Configuration Mode Main Screen Figure 7: Switching between Drag Strip & Configuration Modes G-TECH / Pro Competition User Guide, Release 3.1...
Page 17 G-TECH / Pro Competition User Guide, Release 3.1...
Page 18: Quick Setup
Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 19: Quick Setup And Use
Quick Setup and Use Setting Time and Date Here you will customize the G-tech for your vehicle and your The G-tech has an internal clock that keeps time and date, personal preferences. even when no power is applied. The G-tech saves your configuration choices internally, even Whenever you make measurements with the G-tech, it when it is powered off.
Page 20 Note: Day of week (e.g. Tuesday) is calculated automatically and cannot be set. Select “Set Date and Time” and press Set the time. to move and adjust fields. Press when done. G-TECH / Pro Competition User Guide, Release 3.1...
Page 21: Setting Vehicle Redline
Setting Vehicle Redline Select “Vehicle Data” and press You should set the vehicle redline value in the G-tech before using it. This will allow the G-tech to display the graphical tachometer (p. 47) so that it matches your vehicle’s own tachometer.
Page 22: Setting The Shiftlight Setpoint
If you do not have control over when your vehicle shifts gears, you probably want to disable the shiftlights altogether (page 110). Before using the G-tech’s shiftlights feature, you must set the shiftlight setpoint RPM value. Some people set the shiftlight setpoint to the same value as their vehicle’s redline value;...
Page 23 This step must be performed in the vehicle, it cannot be performed when powered by the AC power adapter. Select “Shiftlights” and press Start your vehicle, and plug the G-tech into your vehicle’s accessory power outlet. Put the G-tech in Configuration Mode.
Page 24: Setting Vehicle Weight
The G-tech uses your vehicle’s weight in its horsepower and torque calculations. Thus, it is extremely important that you enter an accurate weight for your vehicle before using the G-tech. Please refer to page 160 for details on determining an accurate vehicle weight.
Page 25 Select “Vehicle Data” and press Press when done or press to abort and dis- card the changes. Select “Vehicle Weight” and press Note: Be sure to include weight of fuel, driver, equipment, etc. (page 160) G-TECH / Pro Competition User Guide, Release 3.1...
Page 26: Calibrating Rpms
Calibrating RPMs Start in Configuration Mode. Some of the most exciting features in the G-tech rely on good RPM measurements. Since every vehicle has a unique electronic “RPM signature,” the G-tech must learn the RPM signature at two different points for your particular vehicle before it can measure and record RPMs.
Page 27 RPMs are steady at the requested value. Note: The RPM value shown here may be differ- ent than the value your G-tech displays. During this process, use the value on your G-tech! If the redline value is set properly, press to con- tinue.
Page 28 Note: The RPM value shown here may be differ- ent than the value your G-tech displays. During this process, use the value on your G-tech! You will see this screen briefly when the procedure is complete, and then you will be returned to the previous menu in Step 4.
Page 29: Calibrating Accelerometers
Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 30 You will see the following screen: Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 31 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 32 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 33 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 34 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 35 Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 36: Calibration & Temperature
“Accelerometer Tips” on page 142. Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 37: Mounting The G-Tech
151. Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 38: Assembling The Bracket
Figure 9 shows the different pieces of the G-tech mounting bracket. Assembling the Bracket Suction Cup Large (Vacuum) Nut Note: Steps 1-3 may already be performed on your mount- ing bracket at the factory. These steps are provided so that you...
Page 39 Insert the suction cup into the mounting bracket. Turn the suction cup clockwise into the Large Vac- uum Nut until approximately 1/4 inch of threads protrude. 1/4" G-TECH / Pro Competition User Guide, Release 3.1...
Page 40 Small Tensioning Nut. stem. There should be a small gap between the Small Tensioning Nut and the Large Vacuum Nut. Small Gaps G-TECH / Pro Competition User Guide, Release 3.1...
Page 41: Mounting The Bracket
Place the large rubber suction cup on the mounting area of the windshield. Make sure there is a large gap between the Large Vacuum Nut and the mounting bracket. G-TECH / Pro Competition User Guide, Release 3.1...
Page 42 At this point, the mounting bracket should stay attached to the windshield when you remove your hands. If it doesn’t, inspect the rubber suction cup for cracks or tears, and make sure the windshield sur- face is clean. G-TECH / Pro Competition User Guide, Release 3.1...
Page 43 Insert the small end of the power cord into the DC move easily. If this is not the case, slowly turn the jack, which is located on the back of the G-tech. Small Tensioning Nut counter-clockwise just enough to secure the mounting clip.
Page 44 Note: Do not move the mounting clip if you need to adjust the orientation of the G-tech! This will dam- age your mounting system and will not be covered Note: Some vehicles supply power to the 12V under warranty.
Page 45 G-TECH / Pro Competition User Guide, Release 3.1...
Page 46: G-Window
G-Window This section will show you how to use the G-tech to monitor your vehicle’s performance as you are driving. G-TECH / Pro Competition User Guide, Release 3.1...
Page 47: Drag Strip Mode Basics
Drag Strip Mode Basics Put the G-tech into Drag Strip Mode (Figure 7 on page 15) to measure the performance of your vehicle. In Drag Strip Mode, you can use the G-tech: Tachometer Acceleration • to monitor your acceleration and RPMs on the G-Win-...
Page 48: G-Window: Tachometer
The tach needle displays the vehicle RPMs in real-time. (2) done at least one acceleration run (page 52). Note: When the G-tech is powered by the 12V DC wall adapter, there is no RPM signal, and the tachometer reading is Note: If you have moved or re-oriented the G-tech mounting meaningless.
Page 49: Figure 12: Acceleration Bars & Primary Acceleration Indicator
(cornering) Gs – like you see in car magazines for skid- pad tests Figure 13: Primary Acceleration Direction Indicator • Forward Acceleration Bar – indicates amount of for- ward Gs Primary Acceleration Value – shows amount of domi- • nant acceleration G-TECH / Pro Competition User Guide, Release 3.1...
Page 50: Self-Leveling The G-Tech
Forward Acceleration Bar is darkly shaded – indicates that To self-level the G-tech, simply do an acceleration run forward acceleration is dominant, i.e. stronger than lateral (page 52). You need only go far enough to trigger the G-tech acceleration and start the E.T. clock... just a few feet.
Page 51 • Forward Acceleration Bar is lightly shaded and small – indi- cates the vehicle is not experiencing significant lateral accel- eration G-TECH / Pro Competition User Guide, Release 3.1...
Page 52: Acceleration Runs
Acceleration Runs This section will show you how to use the G-tech to measure your vehicle’s straight-line performance. G-TECH / Pro Competition User Guide, Release 3.1...
Page 53: Measuring Your Runs
• 1/4 mile E.T. and speed • 0-60 MPH measurements At this point, the G-tech is making sure that the vehicle is completely stopped. This process takes about 1 second, and • braking distance measurements is called “staging” in this manual.
Page 54: Figure 15: G-Tech Is Staged And Ready To Go
To avoid false starts, the G-tech requires a decent Blinking amount of “oomph” off the starting line, so don’t baby it! If your G-tech doesn’t start its E.T. clock, try launching your car with more force. During the acceleration run, the horsepower, torque, and RPM indicators will be updated in real-time.
Page 55: Stopping The E.t. Clock
Note: If you brake strongly at the end of a run, the E.T. G-tech will automatically give you all results up to the point when clock will continue running. This is to allow braking distance the run stopped. The next section describes the conditions that measurements.
Page 56: Viewing Run Results
“HP & Torque vs RPMs” on page 72. Figure 18: G-tech Run Viewing Menu The G-tech automatically assigns a name to each run you Figure 17: G-tech screen at completion of 1/4 mile run make. The name is based on the date and the run results.
Page 57: Figure 19: G-Tech 1/4 Mile Results Screen
At this point you can: • Save the run with the title that was created automati- cally by the G-tech (see “Saving a run / default name” on page 58) Rename the run to a title that you prefer and then save •...
Page 58: Discarding Run Results
Discarding Run Results For now, let’s just discard these results, since we are just get- ting familiar with the G-tech. We will come back to the other Discarding a run causes you to lose all the information about choices later in this manual.
Page 59: Saving A Run / Default Name
To save the run with the standard name, select “Save this run” and press The G-tech will display a message as shown in Figure 25 as it saves all the run data into its internal memory. Figure 23: G-tech Run Viewing menu To reach the Run Save Menu at this point, you can either scroll down to the menu item labeled “Exit”...
Page 60: G-Tech Stored Runs Capacity
Press to cancel, or press to automatically replace the The G-tech imposes a limit of 30 runs total that can be selected file with the new run. stored, regardless of length. Enthusiasts who store many short runs might encounter this situation. If you do encounter...
Page 61: The G-Tech Keyboard Screen
The G-tech Keyboard Screen Renaming and saving a run Some of the G-tech features allow you to enter text. The G- By default, the G-tech auto-names every run that you save by tech has an on-screen keyboard to allow this.
Page 62 “Enter” key on the keyboard and press , or sim- ply press Now use the keyboard (page 60) to enter the new run name. The run will be saved with the new name. G-TECH / Pro Competition User Guide, Release 3.1...
Page 63: Checking Free Memory
“Select a run.” The length of the stored run determines how much memory it uses inside the G-tech (longer runs take up more memory). You can use the following procedure to check how much free memory you have left in your G-tech.
Page 64: Saving A Run / Low On Memory
Suppose you perform a run and then want to save the run, but the G-tech doesn’t have enough free memory. In this situation, the G-tech will give you an opportunity to delete one or more of your saved runs to make room for the new run.
Page 65: Figure 29: Deleting Runs To Free Memory
The line below it (“selected”) indicates how much room will be freed if you delete the run that is currently selected. In this example, the G-tech is indicating that if you delete the cur- rent run (which is named “05/08/02 12.557-114.9”), it will free up 4.2% of the memory.
Page 66: Analyzing Runs
Analyzing Runs This section will show you how to use the G-tech to review and analyze the details of your runs. G-TECH / Pro Competition User Guide, Release 3.1...
Page 67: Loading A Stored Run
Start in Drag Strip Mode. , and to select a run, and then press to load it. Press to bring up the Drag Strip Main Menu, then press to select “Stored Runs.” G-TECH / Pro Competition User Guide, Release 3.1...
Page 68 Run Viewing Menu as shown below. Notice that the name of the run you selected is on the top run” is selected, press line. While the run is being loaded, the G-tech displays a screen such as this. G-TECH / Pro Competition User Guide, Release 3.1...
Page 69: Overview - Run Viewing Menu
Figure 31 on page 71 provides an overview of each option in the Run Viewing Menu. Use it to become familiar with what each option does and then choose the options that interest you. G-TECH / Pro Competition User Guide, Release 3.1...
Page 70 HP & TQ Graph of Horsepower & Torque • Getting a “dyno plot” of your p. 72 vs RPM curves for a particular gear and vehicle RPM range • Determining the best shift point G-TECH / Pro Competition User Guide, Release 3.1...
Page 71 Speed vs Graph of Vehicle speed throughout • Measuring time to get from one p. 78 time the run speed to another speed (e.g. 0- 100 MPH, 50-70 MPH, 0-100-0 MPH, etc.) G-TECH / Pro Competition User Guide, Release 3.1...
Page 72: Figure 31: G-Tech Run Viewing Menu Capabilities
Detecting wheelspin Braking Graph of Speed vs. Distance • Measuring how many feet it p. 88 Distance takes your vehicle to stop from a given speed Figure 31: G-tech Run Viewing Menu Capabilities G-TECH / Pro Competition User Guide, Release 3.1...
Page 73: Results
HP & Torque vs RPMs The “Results” menu entry provides you with all the informa- One of the most exciting features of the G-tech is its ability tion you’d get from a dragstrip timeslip, including milestones to measure and graph your vehicle’s horsepower and torque such as 60 ft.
Page 74: Figure 32: Horsepower / Torque Summary
If you accidentally entered the wrong weight, the calculated horsepower will be off. press Refer to “Horsepower, Torque & G-tech” on page 157 for more information on vehicle weight and horsepower/torque calcula- tions. To proceed to the HP & TQ vs RPM graph, press again.
Page 75: Hp Vs Time
You will see a graph such the one shown in Figure 34. Of course the shape of the curve, as well as the numbers and ranges, will be different for your vehicle. G-TECH / Pro Competition User Guide, Release 3.1...
Page 76: Rpm Vs Time
Each tic mark on the vertical axis represents 10 HP better results (for example, maybe you’re shifting into 4th gear just before the 1/4 mile mark and would actu- ally benefit from remaining in 3rd gear through the finish line) G-TECH / Pro Competition User Guide, Release 3.1...
Page 77: Figure 35: Graph Of Rpms Vs Time
15 seconds to draw the RPM plot. During RPM On this graph, move the cursor along the RPM replay, the G-tech illuminates an LED at any point where the curve. shiftlights were on during the run. As the cursor moves, the RPM value and timestamp value...
Page 78: Figure 36: Rpms Vs Time - Launch
The launch is perhaps the most crucial part of a run. Assuming that you let off the throttle during a shift, note that By using the G-tech to analyze graphs of your RPMs (p. 75) and by placing the cursor at each peak in the graph, you can your forward acceleration (p.
Page 79: Speed Vs Time
The difference between these times is the shift time. Your vehicle actually slows a bit during shifts, so keep this time to a minimum! G-TECH / Pro Competition User Guide, Release 3.1...
Page 80: Figure 39: Graph Of Speed Vs Time
Each tic mark on the horizontal axis marks a 1-second differ- ence. Each tic mark on the vertical axis marks a 10 MPH difference. G-TECH / Pro Competition User Guide, Release 3.1...
Page 81: Measuring 0-40 Mph, Etc
40 MPH during the acceleration run. Note: In this example, we measure 0-40 MPH time, but you can use the same procedure to measure the time it takes to reach any speed you wish. G-TECH / Pro Competition User Guide, Release 3.1...
Page 82: Measuring 50-70 Mph, Etc
0 to 40 Let’s suppose you want to measure your 50-70 MPH time. MPH. This example will show you how to use the G-tech to do it. Use the keys to move the cursor over the 40 MPH milestone on the rising part of the graph.
Page 83 Perform an acceleration run, making sure you hit the speeds you want to measure. In this example, we are measuring 40-60 MPH, so we made sure the driver reached 60 MPH during the acceleration run. G-TECH / Pro Competition User Guide, Release 3.1...
Page 84 40 MPH milestone on the rising part of the graph. Press and a box will be drawn around the 40 MPH milestone. Since the cursor is still on 40 MPH, a 40-40 MPH time of 0.000 is displayed. G-TECH / Pro Competition User Guide, Release 3.1...
Page 85: Measuring 0-100-0, Etc
MPH, and how quickly can it bring the vehicle back to a stop? Launch your vehicle and start an acceleration run (page 52). The G-tech provides you with all the tools you need to per- form this test! This section will show you how to perform this measure- ment.
Page 86 Immediately brake hard, all the way to a stop. Keep the vehicle at a stop until the E.T. clock stops counting (about one second once you have com- pletely stopped). Bring up the “Speed vs time” graph for this run. G-TECH / Pro Competition User Guide, Release 3.1...
Page 87: Gs (Acceleration) Vs Time
To view the Gs vs. time graph for a run select the menu choice titled “Gs vs time” and press You will see a graph such the one shown in Figure 40. G-TECH / Pro Competition User Guide, Release 3.1...
Page 88: Figure 40: Graph Of Gs Vs Time
In a very powerful vehicle, or a traction-limited vehicle, Figure 41 highlights some other useful information on the you may also spot dips in acceleration that are not due graph. to shifts. G-TECH / Pro Competition User Guide, Release 3.1...
Page 89: Braking Distance
If you do not brake to a complete stop at the end of your run, and let the E.T. clock stop, the data on this graph will not be very useful to you. G-TECH / Pro Competition User Guide, Release 3.1...
Page 90 E.T. clock continues to run until the vehicle is com- pletely stopped. If the E.T. clock stops before the vehicle has come to a stop, your results will not be meaningful. G-TECH / Pro Competition User Guide, Release 3.1...
Page 91 Moving the cursor further to the right would give braking distance from 20 MPH, 10 MPH, etc. Cursor at 29.4 MPH Distance (ft.) 30MPH Braking Milestone Information Current Speed Distance to Stop at Cursor from 29.4 MPH G-TECH / Pro Competition User Guide, Release 3.1...
Page 92 MPH milestone. The G-tech displays the braking distance from 60-50 MPH. Notice that in all cases, the bottom line of informa- tion always reflects the braking distance from the current cursor position to 0 MPH. G-TECH / Pro Competition User Guide, Release 3.1...
Page 93 G-TECH / Pro Competition User Guide, Release 3.1...
Page 94: Stored Runs
This section will show you how to rename, delete, and download your stored runs to a PC. Refer to “Saving a run / default name” on page 58 for more information on storing runs in your G- tech. G-TECH / Pro Competition User Guide, Release 3.1...
Page 95: Recalling A Stored Run
Recalling a Stored Run Reviewing Stored Run Once you have stored a run in the G-tech, you can recall it at Once you have recalled a run from the G-tech (page 66), any time and examine its details. you can review the run as follows: Please refer back to “Loading a Stored Run”...
Page 96: Renaming A Stored Run
Renaming A Stored Run shown. For details on using the Run Viewing menu, please Once you have recalled a stored run from the G-tech refer to “Overview — Run Viewing Menu” on page 68. (page 66), you can rename it as follows: Select “Rename this run”...
Page 97: Deleting A Stored Run
Once you have recalled a stored run from the G-tech (page 66), you can choose to delete it from the G-tech’s internal memory. This will free up memory so that you can store other runs.
Page 98: Downloading A Stored Run
Once you have recalled a stored run from the G-tech Select “Download to PC” and press (page 66), you can transfer it from the G-tech to a computer. Note: Transferring a run to the computer does not delete it from the G-tech.
Page 99: Deleting All Stored Runs
G-tech. Note: This is a drastic step that will cause you to lose all information about the runs in your G-tech. Be sure this is what you want to do before proceeding! Choose “Delete all” and press Use the following procedure to delete all the stored runs on your G-tech.
Page 100: Downloading All Stored Runs
G-tech to a computer. You should keep all your runs intact, press also ensure that the G-tech PASS PC software is ready to receive data from the G-tech. Further instructions are provided with the PC software.
Page 101 Start in Drag Strip Mode. The following screen will appear. You can cancel the transfer at any time by pressing Press to bring up the Drag Strip Main Menu, then press to select “Stored Runs”. G-TECH / Pro Competition User Guide, Release 3.1...
Page 102: Advanced Features
Advanced Features This section will show you how to use some of the more advanced features of the G-tech. G-TECH / Pro Competition User Guide, Release 3.1...
Page 103: Setting U.s. Or Metric Mode
Torque ft-lbs newton-meters meters per hour, etc.). When performing and viewing runs, there are also corre- Set the G-tech to operate in whichever mode you prefer to sponding measurements in both modes: view data. U.S. Mode Measurement Metric Mode Measurement Note: When you switch between metric and U.S.
Page 104 Select “Gtech Setup” and press time, they are comparing exactly when each of them crossed the 100M point. Joe and Simon can also compare U.S. mode milestones sim- ply by putting their G-techs in U.S. mode. G-TECH / Pro Competition User Guide, Release 3.1...
Page 105 In this example, Metric Mode is the cur- rent/active mode, as indicated by the * next to it. U.S. mode will be activated only if the user highlights “US Mode” and then presses G-TECH / Pro Competition User Guide, Release 3.1...
Page 106: Setting The Speed Mark
Have you ever wondered at what point you reach a certain speed during an acceleration run? With the G-tech’s Speed Mark feature, now you will know. Simply set the Speed Mark value to whatever speed you Enter your desired speed mark by using the arrow want, and then during an acceleration run, the lower left LED keys.
Page 107: Setting The Distance Marks
Have you ever wondered at what point you reach a certain distance during an acceleration run? Start in Configuration Mode and select “Run Parameters”. With the G-tech’s Distance Marks feature, now you will know. There are three distance marks: •...
Page 108: Shiftlights Overview
You determine the RPM level where the shiftlights come on, and you can also enable/disable the shiftlights at will. As you analyze your runs with the G-tech and measure your horsepower and torque vs. RPMs (p. 72), you may determine that the best shiftpoint is not at vehicle redline, but at a differ- ent value.
Page 109 G-Window. The shiftlights also operate while you are per- forming a timed acceleration run as well. Many users will find the shiftlights extremely valuable during a run. 4500 RPM: Shiftlights are off. G-TECH / Pro Competition User Guide, Release 3.1...
Page 110 5250 RPM: Shiftlights are more intense. 5500 RPM: Shiftlights fully on and blinking rapidly. G-TECH / Pro Competition User Guide, Release 3.1...
Page 111: Enabling / Disabling Shiftlights
Start in Configuration Mode. Select On or Off by using , then press to make your selection. An asterisk (*) indicates your current choice. Select “Exit” and press when done. Select “Vehicle Data”. G-TECH / Pro Competition User Guide, Release 3.1...
Page 112: Cornering Lights Overview
Figure 42 shows how the Cornering Lights react to different and others. The G-tech should not used as the only basis for levels of cornering G forces. driving decisions.
Page 113: Setting The Cornering Lights
WARNING: There is a slight lag between when the G-tech senses lateral Gs and when the cornering lights are activated. Setting the Cornering Lights This is intentional and is done to increase immunity to tran- sient lateral acceleration surges that are unrelated to the This section describes how to set the Upper and Lower G steady-state driving conditions.
Page 114 This screen is where you set the Upper G Limit for the Cornering Lights. to change the value. The value can range from 0.05G to 9.99G. Press when done. Select “Set Limits”. G-TECH / Pro Competition User Guide, Release 3.1...
Page 115 Upper Limit you set in the previous step. Press when done. An asterisk (*) indicates the current choice. Select “Exit” and press when done. You will see the following warning screen. Read the text, and then press when done. G-TECH / Pro Competition User Guide, Release 3.1...
Page 116: Displaying Firmware Version
G-tech firmware (code) is available. Select “Firmware Version” and press Also, if you ever call Tech Support, you will most likely be asked what version of firmware is on your G-tech. This infor- mation assists in the troubleshooting process. Start in Configuration Mode.
Page 117: Resetting To Factory Defaults
Resetting the G-tech to Factory Defaults is a drastic step that causes you to lose all the information that is stored on the G-tech. Perform this step only if you are sure that you want to delete all configuration information and stored runs! Start in Configuration Mode.
Page 118 G-tech, to cancel. Note: After you have performed this step, you will need to perform the steps in the Quick Setup section again (page 66) before using your G-tech! G-TECH / Pro Competition User Guide, Release 3.1...
Page 119: Serial Port Baud Rate
The higher the baud rate, the faster the G-tech sends and receives data. Some PCs cannot keep up with the G-tech at high baud rates, however. Therefore, the G-tech allows you adjust the Select “Gtech Setup” and press baud rate so that you can match it to a baud rate on the computer that works reliably.
Page 120: Adjusting The Lcd Contrast
Adjusting the LCD Contrast Select “Serial Port Settings” and press The G-tech uses a Liquid Crystal Display (LCD) to display information. You may want to adjust the contrast on the LCD due to per- sonal preferences, environmental conditions, etc. to select the desired baud rate and Use the following procedure to adjust your LCD’s contrast.
Page 121 You will see a screen similar to the screen shown Select “Gtech Setup” and press here. to adjust the contrast on the LCD. When done, press to save changes and exit. Select “LCD Contrast” and press G-TECH / Pro Competition User Guide, Release 3.1...
Page 122: Multiple Vehicles
Multiple Vehicles This section will show you how to use the G-tech with up to 4 different vehicles. G-TECH / Pro Competition User Guide, Release 3.1...
Page 123: Multiple Vehicle Usage
Multiple Vehicle Usage Vehicle-Specific Data Many G-tech enthusiasts will want to use the G-tech in multi- The first time you select a vehicle in the G-tech (page 123), ple vehicles. you must enter in the information specific to that vehicle before using it.
Page 124: Selecting A Vehicle
Config- uration Mode main menu. To exit without selecting a different vehicle, either Select “Vehicle Data” and press press the button, or go down to “Exit,” and press G-TECH / Pro Competition User Guide, Release 3.1...
Page 125: Renaming A Vehicle
You will see a screen similar to this one. In this example, the user has changed the name to “MUS- Let’s go ahead and rename the vehicle to something mean- TANG 66”. ingful for your vehicle. Start in Configuration Mode. G-TECH / Pro Competition User Guide, Release 3.1...
Page 126: Showing The Active Vehicle
The G-tech keyboard screen (page 60) will appear. • Enter the new name for the vehicle using the keyboard. • Vehicle names can be up to 15 characters long Select “Vehicle Data” and press G-TECH / Pro Competition User Guide, Release 3.1...
Page 127 The active/current vehicle is indicated by name across the top of the display. G-TECH / Pro Competition User Guide, Release 3.1...
Page 128: Pro Features
Pro Features This section will show you how to use the most advanced features of the G-tech. G-TECH / Pro Competition User Guide, Release 3.1...
Page 129: Reaction Time / Start Mode
Generally when you are at the drag strip with a real Timing Tree setup, you do not want the G-tech displaying a reaction Reaction Time / Start Mode time light tree. If you have been to a drag strip before, you are probably Instead, you want to launch based on the Christmas Tree at familiar with the “Timing Tree”...
Page 130: Using The Timing Tree Modes
In this example, a Full Tree with 0.5 second timing is the current choice as indicated by the asterisk (*) next to it. If you were to press , the mode would switch to a Pro Tree with 0.5 second timing. G-TECH / Pro Competition User Guide, Release 3.1...
Page 131 Press to stage the G-tech. You will see a screen Press to activate the tree. such as this. Your current settings for reaction tree After a brief period, the simulated staging bulbs will mode and rollout are displayed. come on.
Page 132 The green light will come on 0.5 seconds after the third and final amber light. The G-tech’s LEDs will illuminate at the same time as do the tree lights on the LCD screen. This way, you can use the bright LEDs to judge when to start, (i.e., you do not have to look at the LCD).
Page 133 The reaction time clock stops timing once your Third amber light on vehicle has moved the rollout distance. Third LED on Green start light on Fourth LED on G-TECH / Pro Competition User Guide, Release 3.1...
Page 134 “Missed Start” indicates the tree counted down, All 3 amber lights on at once but the G-tech never saw the vehicle launch. 3 LEDs on After a few seconds you will be returned to the G- Window. G-TECH / Pro Competition User Guide, Release 3.1...
Page 135: Setting The Rollout Distance
E.T. clock starts timing. This is exactly what hap- pens at a dragstrip. By configuring the G-tech with a rollout distance that is iden- tical to the rollout distance you use at the track, your times will be very close to those measured with the track’s equip- ment.
Page 136 Enter your desired rollout distance. Valid values are in the range 0-16 inches. Press to save changes. Press to abort and discard changes. G-TECH / Pro Competition User Guide, Release 3.1...
Page 137 G-TECH / Pro Competition User Guide, Release 3.1...
Page 138: Additional Info
Additional Info This section is a collection of tips, technical informa- tion, and reference information for your use. G-TECH / Pro Competition User Guide, Release 3.1...
Page 139: Figure 43: Configuration Mode Menu Summary
(p. 124) (p. 123) (p. 13) (p. 28) (p. 25) (p. 143) (p. 144) (p. 18) (p. 115) (p. 128) (p. 118) (p. 119) (p. 102) Figure 43: Configuration Mode Menu Summary G-TECH / Pro Competition User Guide, Release 3.1...
Page 140: Figure 44: Drag Strip Mode Menu Summary
(p. 98) (p. 99) (p. 94) (p. 72) (p. 95) (p. 72) (p. 96) (p. 74) (p. 97) (p. 75) (p. 78) (p. 86) (p. 88) Figure 44: Drag Strip Mode Menu Summary G-TECH / Pro Competition User Guide, Release 3.1...
Page 141: Figure 45: Performing An Acceleration Run
Performing an Acceleration Run Return to Drag Strip Mode G-Window Save (p. 58) Rename (p. 60) Discard (p. 57) Start Accelerating Finish Run (p. 58) Analyze Run (p. 68) Figure 45: Performing an Acceleration Run G-TECH / Pro Competition User Guide, Release 3.1...
Page 142: Tips For Improving Accuracy
G-tech to trigger before or after you intend. Tips for Improving Accuracy • Rollout distance affects results (both E.T. and trap • Make sure that your accelerometers are calibrated speed). If you program the G-tech with a large rollout, properly.
Page 143: Accelerometer Tips
Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 144: X-Y-Z Gs Screen
Select “Calibration” and press Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 145: Erasing Accel. Calibration
Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 146: Rpm Calibration Tips
(such as at 3000 RPM) when the vehicle is not moving. Note: DO NOT CALIBRATE ACCELEROMETERS or ERASE ACCELEROMETER CALIBERATION on G-tech units which were shipped after August 2003. They have already been calibrated in the factory. Older G-techs will automatically request calibration. If you are unsure contact tech support.
Page 147 1000 RPMs (even 1500 RPM on some vehi- cles). This means that when your vehicle is at low RPMs, the G-tech may register the default value of 750. This is normal behavior. If you would like to calibrate at 6000 RPMs instead of 4000 RPMs, just press twice to change the “4000”...
Page 148: Drag Strip Concepts
E.T. and trap speed, point, your vehicle is “staged”, and ready for a legal start. because the vehicle has more of a “running start” before the E.T. clock starts. G-TECH / Pro Competition User Guide, Release 3.1...
Page 149 E.T. and trap speed, because the vehicle has vir- tually no running start before the E.T. clock starts. As an example, say you set the rollout distance in the G-tech to 12 inches. When you launch your vehicle, the G-tech The E.T.
Page 150: Adjusting The Bracket
Stage Bulb comes on, you are a deep stager. Your rollout will be smaller, maybe 2 or 4 inches. to avoid damage to your mounting system. Turn the Large Vacuum Nut counter-clockwise until the mounting clip can rotate freely. Turn Counter- clockwise G-TECH / Pro Competition User Guide, Release 3.1...
Page 151: Removing The Bracket
Turn the Large Vacuum Nut clockwise until it is snug and the mounting clip is held firmly in place. Turn the Large Vacuum Nut counter-clockwise until it is snug up against the Small Tensioning Nut. Turn Counter- clockwise Tighten G-TECH / Pro Competition User Guide, Release 3.1...
Page 152: Permanent Mounting
Your G-tech is supplied with a permanent mounting stem Pull the rubber tab gently away from the wind- (Figure 46) which can be attached to a part of your vehicle shield.
Page 153: Firmware Upgrades
As a G-tech owner, you are entitled to free upgrades and If the G-tech loses the current date/time when you power it improvements for the life of the product.
Page 154: Frequently Asked Questions
The problem with RPMs on motorcycles is due to differences between motorcycle and automotive electrical systems. Frequently Asked Questions Q : Can I “hardwire” my G-tech into my vehicle? Note: Please visit the Tesla Electronics Inc. website at: For this, we recommend that you buy a 12V extension power http://www.gtechpro.com/support.html...
Page 155: Troubleshooting
The acceleration bars on my G-Window don’t seem to work properly. Make sure that the G-tech is calibrated properly and that you are on level ground. Also make sure the G-tech has not been G-TECH / Pro Competition User Guide, Release 3.1...
Page 156: I Want To
111 Measure my 0-60 mph time “Measuring Your Runs” on Use My G-tech in multiple “Multiple Vehicle Usage” on page 52 and “Viewing Run vehicles page 122 Results” on page 55 G-TECH / Pro Competition User Guide, Release 3.1...
Page 157 Use my G-tech on my “Frequently Asked Ques- View the results from a pre- “Loading a Stored Run” on motorcycle tions” on page 153 vious run page 66 and “Viewing Run Results” on page 55 G-TECH / Pro Competition User Guide, Release 3.1...
Page 158: G-Tech-Computer Connection
G-tech-Computer Connection Horsepower, Torque & G-tech In order to upgrade the firmware in your G-tech or transfer This section provides detailed information on the G-tech’s data (such as stored runs) to your computer, you must horsepower & torque measurements and some guidelines ensure that the G-tech is powered on and connected to the and tips to help you get repeatable results.
Page 159 2nd gear for our horse- power measurement. 1. Stage the G-tech just as you would for a 1/4 mile run. Wait for the “Launch when Ready” message. 7. At this point, you can press to stop the G-tech from measuring, or just coast (foot off accelerator).
Page 160 Cars with Continuously Variable Transmissions (CVT) • Vehicles with extraordinary power, or poor traction, might be a problem, as the G-tech relies on gear shifts may spin the wheels at full-throttle in 2nd (and even and broad RPM ranges when determining peak horse- later) gears.
Page 161: What Does My Vehicle Weigh
What does my vehicle weigh? your own body weight and the fuel as well. It is extremely important that the G-tech have an accurate You do NOT want to use the Gross Vehicle Weight Rating value of your vehicle weight in order to calculate useful (GVWR) value that is provided in the vehicle door jamb as horsepower measurements.
Page 162 Thus there are 4 missing passengers, which means we subtract 4x180lbs. The value 4200 lbs - 720lbs = 3480 lbs. Thus you would enter 3480 lbs into the G-tech for vehicle weight. G-TECH / Pro Competition User Guide, Release 3.1...
Page 163: Glossary
Acceleration run: a procedure where the vehicle accelerates are blinking rapidly. from a stop when the G-tech is staged and ready to begin timing. The staged G-tech starts timing the acceleration run Deep Staging: A fairly short rollout. On a track, to stage deep, automatically when the vehicle begins moving.
Page 164 Stored Runs: Acceleration runs that you have stored in the bulbs are lit together, followed by the green starting light. G-tech’s internal memory. You can store up to 30 runs in the G-tech. G-TECH / Pro Competition User Guide, Release 3.1...
Page 165 Trap Speed: The average speed of a vehicle during the last 66 feet of a quarter mile at a dragstrip. For the G-tech, “trap speed” is the speed of the vehicle when it crosses the quarter mile mark. G-TECH / Pro Competition User Guide, Release 3.1...
Page 166: For More Info
For more info Tesla Electronics Main Company Website: http://www.gtechpro.com G-tech Technical Support: http://www.gtechpro.com/support.html support@gtechpro.com G-tech Discussion Forums: http://www.gtechproforums.com Tesla Electronics, Inc. 1749 14th St. Santa Monica, CA 90404 Phone: (310) 452-0030 Fax: (310) 452-0078 G-TECH / Pro Competition User Guide, Release 3.1...
Page 167 G-TECH / Pro Competition User Guide, Release 3.1...
Page 168 Cornering Lights Saving, 58 Enabling/Disabling, 114 Stopping Clock, 54 Overview, 111 Viewing, 55 Setting Limits, 112 see also Stored Runs Accelerometers Date and Time Calibrating, 28 In Run Name, 55 Erasing Calibration, 144 G-TECH / Pro Competition User Guide, Release 3.1...
Page 169 Gs (Acceleration) vs. Time, 86 Memory HP & Torque vs. RPMs, 72 Capacity, 59 HP vs. Time, 74 Checking Free, 62 Overview, 69 Low Memory, 63 RPMs vs. Time, 75 Speed vs. Time, 78 Metric Mode G-TECH / Pro Competition User Guide, Release 3.1...
Page 170 Calibration Procedure, 25 Downloading Runs To, 97, 99 Calibration Tips, 145 Permanent Mounting, 151 Serial Port Quarter Mile Baud Rate, 118 see Acceleration Runs Connecting To Computer, 157 Quick Setup, 17 Shiftlights Behavior, 107 G-TECH / Pro Competition User Guide, Release 3.1...
Page 171 Calibrating, 25 Overview, 47 Troubleshooting, 146 Temperature Calibration Dependency, 35 Timing Tree see Reaction Time Torque During Acceleration Run, 55 Graph vs. RPMs, 72 Troubleshooting, 153, 154 U.S. Mode see Measurement Units G-TECH / Pro Competition User Guide, Release 3.1...
Page 172 G-tech Results & the Race Ticket Rollout 0 in. 4 in. 8 in. 12 in. 16 in. Distance Many people take the G-tech to the drag strip and compare Rollout 0.000 0.226 0.319 0.391 0.452 the G-tech’s results against the race ticket. However, due to Time (s.)
Page 173 Maybe 6 inches one time, 8 inches the next pass, 5 inches the time after that..The bottom line is this: for the G-tech results to match up nicely with the race ticket, the G-tech has to start timing at exactly the same time the track’s E.T.
Page 177 G-techs bought from Tesla Electronics, Inc. can be returned directly this warranty. All express and implied warranties, including warranty to Tesla Electronics, Inc. If you bought your G-tech from any other of merchantability, are limited to the applicable warranty period set authorized dealer, the G-tech must be returned to that dealer in forth above.