L-System2 User Guide - BJR Technology L-Sys2
Contents
1. TECHNOLOGY LTD vevevy bir technology co uk L Sys2 Race Console User Guide Version 1 7 0 Mar 2014 Page 1 of 32 Copyright BJR Technology Ltd Introduction Congratulations on the purchase of your L Sys2 Race Console system an advanced Lap Timer and Dash Logger packed with many powerful features The product has been specially designed by racers and engineers for competition racing and track day use The system has been carefully designed using the latest state of the art computer aided design software with each unit manufactured in a controlled environment We are confident that it will give you many seasons of reliable data to both help improve your performance on track and as an aid to car setup IMPORTANT INFORMATION e Warning This product is designed and produced for motorsport and track day use We do not specifically recommend it nor is it intended for highway use If it is used on the highway then users do so entirely at their own risk and they must ensure that the installation conforms to current regulations Furthermore the lap timing function must be specifically disabled Refer to configuration settings for further instructions e This product must be installed by a technically competent person The following installation information is only given for guidance as each installation will generally be different from the next For further support or guidance please contact a member of our support team e This prod2. GPS timing lines the bottom line of the display is available to show real time information such as Pressure Temperatures RPM Press button B or D to select the information to be displayed GPS timing lines stored will remain valid for a few days Safety Notes Only set timing lines when you have a clear run around the track and there are no cars trying to pass you or the contrary Setting of GPS timing lines is best done on the outlap of a practice or qualifying session Above all make sure you are more than familiar with the above process of setting GPS based timing lines so it becomes second nature allowing you to concentrate more on the driving Setting the GPS for Track Mapping and GPS based Speed only dir ak a2 aaa Power on Enter configuration mode Select SPEED from the available menu items Set Pulses Rev to GS Exit and save changes Ensure that the wheel speed sensor is disconnected from the unit Other than correct GPS receiver installation there is no further specific configuration required for this functionality Mar 2014 Page 22 of 32 Copyright BJR Technology Ltd Alarms and Messages The L Sys2 features alarm functions which for any alarm condition will light up an alarm LED along with a message on the display telling the user more about the alarm condition that has occurred When an alarm condition occurs for example Temperature 1 has exceeded the alarm limit set during configu
3. 0 999mm Speed Units kph mph Displayed Units Adjustment 0 99 Gear Mar 2014 Page 16 of 32 Copyright BJR Technology Ltd Primary Drive Ratio 1 0 001 1 5 000 Front Sprocket Teeth for bike engine applications 1 99 Rear Sprocket Teeth for bike engine applications 1 99 Total Number of Gears 1 9 Gear 1 Ratio 1 0 001 1 5 000 Gear 2 Ratio 1 0 001 1 5 000 Gear 3 Ratio 1 0 001 1 5 000 Gear 4 Ratio 1 0 001 1 5 000 Gear 5 Ratio 1 0 001 1 5 000 Gear 6 Ratio 1 0 001 1 5 000 Gear 7 Ratio 1 0 001 1 5 000 Gear 8 Ratio 1 0 001 1 5 000 Gear 9 Ratio 1 0 001 1 5 000 Differential Ratio 1 0 001 1 5 000 Display Update Delay 0 to 5000mS Gear Tolerance 0 9000 Note A setting of around 1500 is suitable for most types of gearbox Reset All Are You Sure Select Yes to store changes or No to abort About Provides information about current firmware version and build number installed in each processor MAIN RTM FAT GPS when fittea Note Whenever configuration settings are changed you must exit the configuration menu fully and confirm the saved changes when prompted otherwise any changes made will not be saved Mar 2014 Page 17 of 32 Copyright BJR Technology Ltd Live Mode The unit can be used in one of two modes at any given time i e race mode or track day mode e To use the unit in Race mode refer to the configuration setting
4. GPS satellite fix has been acquired the unit is then able to derive lap and sector times from a series of GPS timing lines that are selected by the driver whilst in motion on the circuit For each and every race meeting it is very important to clear any previous GPS timing line settings and to mark a new set of timing lines which is best done on the second lap of a practice or qualifying session once starting as you cross the start finish line The following procedure will guide you through the setting of GPS timing lines 1 To clear any existing GPS timing lines pangy Th Enter Configuration menu Select TIME Press ENTER Scroll to GPS Press NEXT you will then be prompted to clear Clear Points i e the GPS timing lines Press Y to clear or N to leave them unchanged A second prompt will allow you to confirm this or to back out After pressing Y the menu will then automatically take you to the next configurable item in the Time menu i e Hours Continue configuration if required or press EXIT to leave the menu save the settings when prompted 2 You are ready to configure a new set of GPS timing lines 3 When prompted press New to start a session Mar 2014 a Drive around the track at a reasonable pace Note If the GPS module has not acquired a satellite fix then the display will warn you of this continue around the track until a fix has been acquired A
5. able The BATT Yellow 12V DC wire should ideally be connected to its own dedicated and supply protected by a 500mA fuse or breaker from the power distribution system The BATT Blue Ground wire of the power pair must be connected to the chassis of the vehicle or any other suitable grounding point The RPM Orange or Grey wire must be connected to the Tacho or RPM signal output from the ECU or CDI ignition system It can also be connected to the low tension side of an ignition coil Important Note The RPM Orange or Grey wire or any other wire must never be connected to any part of the High Tension Ignition lead system It must not be wound round the HT lead to form a pickup as the unit is not designed to operate in this manner and damage may result The RPM Green Yellow or White Black wire should ideally be connected at the ground point of where the ECU or coil is attached to the vehicle wiring If this is not possible then it can be connected to the chassis of the vehicle at any other suitable chassis grounding point For best results the RPM Green Yellow or White Black and the BATT Blue wires must be separated from each other by some distance It is not good practice to have them connected together at the same grounding point as unexpected results may occur with the RPM reading fluctuating excessively Mar 2014 Page 5 of 32 Copyright BJR Technolog
6. and Support If you require any further advice regarding the installation or operation of your BJR Technology L Sys2 then please contact us by e mail to support bjr technology co uk or visit our website www bjr technology co uk and use the contact form for further information Firmware Updates We reserve the right to continue the development of the L Sys2 Race Console system To that end we will release firmware updates to add functionality or to fix minor issues from time to time Customers are entitled to one free firmware update on a return to base arrangement with return carriage paid If you wish to take advantage of this free upgrade then please contact the support team Product Limitations of Use and Liability Since the L Sys2 and its associated components are solely intended for use in connection with motorsport competitive or otherwise or track day use which are all deemed to be a hazardous pursuits BJR Technology Ltd do not accept any liability whatsoever to any persons or property in connection with the installation or use of this equipment or any of its associated components provided Moreover all equipment must be installed by a competent person and in a professional manner It is imperative that the user of the equipment ensures that his or her race machinery and any associated equipment are in race worthy condition at all times This clause does not affect any statutory guarantees Product Guarantee Since the L Sys2
7. and its associated components are solely intended for use in connection with motorsport competitive or otherwise or track day use which are all deemed to be a hazardous pursuits BJR Technology Ltd only offer a guarantee for a period as stated in our terms and conditions The guarantee does not cover any damage due to misuse bad or faulty installation or any accidental damage in any way If the unit is found to have been tampered with in any way then the guarantee given will be null and void Development Policy Due to our continuous development policy BJR Technology Ltd reserve the right to update or change the specifications of the L Sys2 or any of its associated components without any prior notice Mar 2014 Page 26 of 32 Copyright BJR Technology Ltd End of Life Product Disposal Our products are been manufactured and distributed in accordance to the requirements of the WEEE Directive The symbol below the crossed out wheely bin symbol means that at the end of its useful life this product must be disposed of in a proper manner at a registered recycling facility It must never be disposed of in a domestic waste bin as this action contravenes EC laws with substantial penalties The only way to dispose of this product is by the method stated above Mar 2014 Page 27 of 32 Copyright BJR Technology Ltd Appendix A Mounting Details DRILL 4 x FIXING HOLES 3 2mm 47 PANEL CUT OUT Mar 2014 Page 28 of 32 Copyright BJR Tech
8. d well away from any high current and high voltage wiring and well away from any high level heat sources such as exhaust systems etc Note The temperature sensor body is designed to be used in low pressure applications such as water and oil sump reservoir temperatures It is not intended to be used in any high pressure systems such as brake lines or high pressure fuel lines etc Wheel Sensor Installation The wheel sensor body must be fitted carefully to the selected location Particular care is required to ensure the sensor is mounted as far away from the brake calliper as possible The system is designed to operate with a minimum of two magnets attached diametrically opposite to each other to any convenient part of the brake disc rotor assembly To improve accuracy and resolution more magnets can be added Ensure the magnets are equi spaced and the L Sys2 unit is configured for the correct number of magnets installed Warning Under no circumstances must the wheel sensor be wired to any part of an ABS brake system wiring A certain amount of experimentation may be required in order to achieve optimum pick up from the rotating magnets See Appendix B for a typical installation of the wheel sensor and magnets Alternatively the speed sensor input may be connected to a 5v ECU signal or similar Contact our support team for details and advise before proceeding Mar 2014 Page 10 of 32 Copyright BJR Technology Ltd Pressure Sender I
9. ies of sub menus which allow configuration of the various parameters supported Using Buttons A B C D allows the user to configure and store each of the following configurables Configure Menu Top General Logging Enable Y or N Auto Start Off 1 60 secs Pressure Display Units PSI or BAR Time Mar 2014 Page 15 of 32 Copyright BJR Technology Ltd Beacon Obscuring Time 2 sec 15 min Beacon Type GPS InfraRed Button Off GPS amp Next Clear Points Are you Sure Y or N Real Time Clock Setting Hours Minutes Day Month Year Alarms LED Select LED A LED B LED C LED D Alarm Source Temperaturei Temperature2 Pressure Disabled Alarm Function Under Outside Over Alarm Parameters Value 1 Value 2 Engine RPM Number of Sparks per Engine Revolution 1 9 Shift Lights Mode Auto Shift Light 6 Threshold 200 20 000 rpm Shift Light Step Decrement 10 9000 rpm Shift Lights Mode Manual Shift Light 1 threshold 200 20 000 rpm Shift Light 2 threshold 200 20 000 rpm Shift Light 3 threshold 200 20 000 rpm Shift Light 4 threshold 200 20 000 rpm Shift Light 5 threshold 200 20 000 rpm Shift Light 6 threshold 200 20 000 rpm RPM Pulse Obscuring Time 0 9900 uS RPM Pulse Minimum Width 0 5000 uS Speed Number of Pulses per Wheel revolution 2 99 when using wheel speed sensor or set to GS when GPS receiver is connected Wheel Diameter 15
10. last lap and Best lap time DB Display time Difference of last lap and Previous lap time DP Display the trip distance TR Blank the display quadrant Note When the unit is in Track Day Mode some of the above functions are not available When in Live Mode the unit will display complete lap times in real time whilst on track To analyse the detailed sector times the data recorded should be viewed post session with the L Sys2 data viewer Using the Pressure Sender Once installed correctly the pressure sender will measure and log the pressure of the fluid to which it is plumbed in to Using the 3 Axis Accelerometer v4 1 firmware onwards Once installed correctly the 3 Axis Accelerometer will measure and log the vehicle motion when it is moving Mar 2014 Page 19 of 32 Copyright BJR Technology Ltd Using the GPS Receiver When the system is turned on the status light on the top of the GPS receiver will turn from a solid Red to Flashing Amber indicating the unit is starting to acquire GPS Signals When the light turns to Green the receiver has then acquired all the necessary GPS signal information and is ready for use A correctly installed receiver will usually take up to 60 seconds for the status light to turn Green However differing weather conditions and track surroundings can directly affect this start up time If the unit hasn t been used for a long period of time then the receiver may need to re acquire satelli
11. n reached the unit will enter review mode automatically When Review Mode is entered a summary of the data from the last completed session will be available use button D to cycle round the session maximums recorded Session maximums are prefixed with the symbol Press button C to advance to detail review mode here all data relating to the lap displayed will be available Use button B to cycle round the recorded temperature and speed maximums for the current lap Use button D to cycle round RPM Difference from best lap time difference from previous lap time and real time Lap maximums are prefixed with the symbol e Each press of button C will advance to the next lap e Each press of button A will step back one lap e Press and hold button A or C to advance quickly over each lap Data Files amp L Sys Data Viewer Offline review of data files from all sessions can be achieved by removing the micro SD flash card and connecting it to a suitable card reader and a suitable Windows PC There are two files that relate to any one session the bjr file stores all lap on lap peaks for each session This is the best file for quick reference to lap times maximum RPM Speed Temperatures etc Located in the header of the file is a reference to the data log file log relating to the same session The log file contains all logged data parameters lap and sector time information etc which are recorded from the insta
12. n tempting just to configure one alarm for a simple under pressure alarm however careful consideration of the alarm functions of this product will allow you to configure a two stage alarm This has the advantage of warning of impending issues rather than absolute pressure failure usually when it is too late and the damage is already done Mar 2014 Page 11 of 32 Copyright BJR Technology Ltd 3 Axis Accelerometer G Sensor Installation optional item v4 2 firmware onwards Installation and Location of the device The accelerometer should installed in a central position on the vehicle which is e As close to the ground as possible e Is close to or on both the vehicles centre axis e Isa rigid and level part of the vehicle chassis i e on a space frame chassis member or on the top of the transmission tunnel or similar e The accelerometer can only be mounted on the floor pan if it is rigidly supported directly underneath by a chassis member and cannot vibrate e Ensure the cable which exits the accelerometer case is pointing towards the rear of the vehicle as this ensures that the accelerometer is then aligned with the correct axis If in any doubt refer to the product label on the base of the unit which indicates the forward direction e Avoid routing the accelerometer cable adjacent to any high current and or high voltage wiring e g battery or starter motor feeds ignition coil HT leads or near to any high level heat source
13. nology Ltd Appendix B Typical Wheel Sensor Installation The following images show a typical installation of the wheel sensor b The magnet must pass though an arc either side of the centre line of the pickup In the picture above the magnet will sweep through an arc to the inside of the centre of the pickup Mar 2014 Page 29 of 32 Copyright BJR Technology Ltd Appendix C Complete this sheet for future reference when setting up any configuration parameters on the unit See next page Mar 2014 Page 30 of 32 Copyright BJR Technology Ltd L Sys2 Setup Sheet Version 1 3 Customer Vehicle Date Configuration Menu Option General Logging Enable Y N Auto Start Off 1 60 sec Pressure Display Units PSI or BAR Time Beacon Type GPS IR Button None IR Beacon Obscuring Time 2 sec 15 min Real Time Clock Correctly Set Time amp Date Alarms LED A Temperature T1 T2 Pressure Disabled On Over Under Outside LED B Temperature T1 T2 Pressure Disabled On Over Under Outside LED C Temperature T1 T2 Pressure Disabled On Over Under Outside LED D Temperature T1 T2 Pressure Disabled On Over Under Outside Engine RPM Number of sparks per Engine Rev Shift Lights Mode Shift Light 6 Threshold Gear Change Point Shift Light Step Decrement RPM Pulse Obscuring Time ObsT RPM Pulse Minimum Width MinW Speed No of Pulses per Wheel Rev Wheel Diameter 150 mm 999 mm S
14. nstallation optional item It is highly recommended that the pressure sender body is remote mounted and isolated from the vibration of the engine In the case of a bike engine vehicle it is vital that the sender is isolated from the engine Remote mounting can be achieved by connecting the sender to the pressure feed via a braided hose with the correct fittings vendors such as Think Automotive are able to supply this at a very reasonable cost Warning The pressure sender is rated up to a maximum of 145 PSI 10 bar ensure the pressure feed to the sender cannot exceed this pressure and that the remote connection pipe is also able to withstand this pressure Avoid routing the pressure sender cable adjacent to any high current and or high voltage wiring e g battery or starter motor feeds ignition coil HT leads or near to any high level heat sources such as exhaust systems etc Connect the slide tags on the cable to the terminals on the sender The wider tag must be connected to the wider terminal on the sender Connect the other end of the cable to the race console Aux input colour coded green It is important that the body of the pressure sender has a good ground connection to the engine Use of certain thread sealers and tapes can effectively isolate the body of the sender unit from ground which may cause pressure readings to be incorrect Consider carefully how you configure the Alarms to indicate pressure events It is ofte
15. nstalled Mar 2014 Page 13 of 32 Copyright BJR Technology Ltd Troubleshooting the Accelerometer Installation In the event that the accelerometer is giving noisy results when the engine is running then this means the surface to which it is mounted is vibrating in time with the engine The accelerometer should be moved to a new location and or isolated with a stiff sound absorbing material Loose cell expanded foams are not suitable for this application Ensure the mounting screws are also isolated The accelerometer itself is internally isolated from the outer case however experimentation may be required to yield the best results depending on the vehicle and engine installation Mar 2014 Page 14 of 32 Copyright BJR Technology Ltd Using the L Sys2 Race Console Overview After the power on self test has completed the L Sys2 has four modes of operation Configuration Mode Race Mode Track Day Mode and Review Mode All modes are controlled by four context sensitive push buttons on the front of the unit Configuration data and acquired data are stored on a proprietary Micro SD flash card located on the bottom face of the unit LED Shift Lights Stage 6 All Flash Stage 1 Button A HH Fi Button C Button D Gear Indicator MicroSD Card AlphaNumeric LCD Slot Configuration Mode After power up press button A to enter configuration mode here you will find a series of top level menus Within each menu are a ser
16. nt the unit is powered on along with any beacon time events when the vehicle is on track and acquiring lap times The data can be analysed in further detail with the BJR L Sys Data Viewer software The file is a text based format so it can also be imported into MS Excel or similar for further analysis Mar 2014 Page 24 of 32 Copyright BJR Technology Ltd The L Sys Data Viewer software is located on the micro SD card supplied with the L Sys2 unit or you can download the latest software and documentation from our website www bjr technology co uk File Management Important During start up the firmware checks the integrity of all the data files present on the micro SD card As more files are stored on the media this process takes longer to complete To maintain a quick unit start up it is recommended that you periodically i e when you have a hundred or so files to move all the log and bjr files that are of interest to a sub folder on the micro SD card The following is just one example of a data structure you can put on the micro SD card to do this 4 ew L SYS2 G 2011 Race Data L 2012 Race Data 2012 Testing amp Development Data d L Sys2 Data Viewer v1 1 1 do L Sys2 Data Viewer v2 0 1 0 amp User Guides As with any computer based system it is vital to make routine backups of any data files on the micro SD card media and or on your computer Mar 2014 Page 25 of 32 Copyright BJR Technology Ltd Further Information
17. onfiguration this will need to be swapped from left to right and vice versa depending on the location of the optical beacon transmitter It is possible that other trackside beacon transmitters will also be present and may trigger the L Sys2 unit this is an acceptable scenario and to avoid this false trigger set the beacon obscuring time to compensate Optical Beacon Transmitter The Optical Beacon Transmitter should be located next to the trackside so that the beam emitted from the transmitter is pointing out across the track in a direct line of sight to the passing receiver which will be located on the car In clear conditions the range is around 50 metres however the range will be degraded during wet or misty conditions Note For consistent results it is highly recommended that the Optical Beacon Transmitter is located as close to the track as possible i e on the pit wall Mar 2014 Page 7 of 32 Copyright BJR Technology Ltd Warning The transmitter uses proprietary Infra Red emitters similar to those used on domestic equipment remote controls These are deemed to be eye safe however it is strongly advised that the user does not intentionally look or stare directly into the emitters from a short range at any time The six emitters are located on the front of the unit and are dark blue in colour The transmitter is powered by eight internal batteries AA size which will normally give around 16 hours of continuous use Al
18. peed Units KPH MPH Display Adjust 1 99 Gear Primary Drive Ratio 1 0 000 1 5 000 Front Sprocket Teeth for bike engines 1 99 Rear Sprocket Teeth for bike engines 1 99 Total Number of Gears 1 9 Gear 1 Ratio 1 0 000 1 5 000 Gear 2 Ratio 1 0 000 1 5 000 Gear 3 Ratio 1 0 000 1 5 000 Gear 4 Ratio 1 0 000 1 5 000 Gear 5 Ratio 1 0 000 1 5 000 Mar 2014 Copyright BJR Technology Ltd Current Setting Default Y 15 sec PSI GPS 1 min T2 00 50 130 T1 OO 50 100 PR OU 50 PR OU 40 1 Auto 11680 200 2500uS 500uS GS 540 KPH 1 1 581 13 46 6 1 2 600 1 1 842 1 1 500 1 1 333 1 1 200 Page 31 of 32 Gear 6 Ratio 1 0 000 1 5 000 1 1 115 Differential Ratio 1 0 000 1 5 000 1 1 000 Display Update Delay 0 to 5000mS 500 Gear Tolerance 0 9000 1500 Important Whenever configuration settings are changed you must exit the configuration menu fully and confirm the saved changes when prompted otherwise any changes made will not be saved Mar 2014 Page 32 of 32 Copyright BJR Technology Ltd
19. ration two things will happen an alarm LED will light up and the main display will flash a message telling you what the alarm LED corresponds to In this case the message Tempt will be flashing To clear the alarm message displayed press and hold the corresponding push button for about 1 second next to the flashing message The alarm message will then clear and resume the display of the previous parameter before the alarm condition occurred The Alarm LED will continue to be lit until the actual alarm condition clears i e the temperature has reduced below the alarm limit set The alarm messages that can be displayed are Temp1 Temp2 for temperature alarms and P ure for a pressure alarm Note When configuring the alarm parameter Is On Outside ensure that number set for value 1 is always less than value 2 Odometer and Trip Meter The odometer is factory set to zero and any distance recorded once the unit is in use cannot be reset by the user The trip distance meter can be reset at any time by pressing and holding button D for at least three seconds Mar 2014 Page 23 of 32 Copyright BJR Technology Ltd Review Mode Review mode allows the user to review all data on the unit relating to laps completed during the last session It can be entered in a number of ways e Cycle the power to the unit and select Review when prompted Note If the unit is in in live mode and the maximum number of laps has bee
20. s for Time Beacon Type and select either GPS Optical or Manual e To use the unit in Track Day mode refer to the configuration settings for Time Beacon Type and select None Note Lap timing is disabled when the unit is in this mode in line with track day requirements Shortly after power on a menu is available for the user to choose which mode the unit will be placed in e To start a new session of data press New default action The unit will then enter Live Mode e If using GPS timing ensure that GPS timing lines have been set refer to installation section for the procedure on how to do this Use the buttons to select the required parameter to be displayed in each quadrant of the display Depending on which mode the unit is configured for i e Timing enabled or not the actions available for when timing is enabled are Button A Display of current lap number Blank the display quadrant Button B Display current value for Temperature 1 input T1 Display current value for Temperature 2 input T2 Display current value for the Speed input SP Display current value for the Pressure input P Blank the display quadrant Button C Last lap Time LT Best lap Time BT Display real time clock hh mm ss Display the Odometer OD Blank the display quadrant Mar 2014 Page 18 of 32 Copyright BJR Technology Ltd Button D Display current RPM RPM Display time Difference of
21. s such as exhaust systems etc e The accelerometer is plugged into the multiway expansion port on the rear of the race console If a GPS receiver is present then this should be plugged into the tail connector 15 way D type which is wired into the accelerometer connector Before plugging in make sure the race console is powered off Mar 2014 Page 12 of 32 Copyright BJR Technology Ltd Vehicles centre axis Accelerometer Accelerometer Cable Testing the Accelerometer Installation The L Sys2 has a diagnostic mode specifically for testing the accelerometer installation To invoke this mode 1 2 Power the unit on When prompted press New and cancel any alarm messages Press and hold down button B for at least three seconds then press button D momentarily The lower left quadrant of the display should now be displaying the output of the accelerometer i e X 0 00 0 09 To check the Y axis output make sure the unit is displaying the X axis value then repeat step 3 The value should read Y 0 00 0 09 To check the Z axis output make sure the unit is displaying the Y axis value then repeat step 3 The value should read Z 1 00 0 09 Note The X Y Z values shown above assume that the device is mounted properly and allows for the fact that the car itself may not be level Values outside these may indicate that the device is not properly i
22. s you approach or cross the circuit start finish line press button C adjacent to the prompt Set S F to mark the GPS start finish line the display will then confirm the setting of the line Continue around the track pressing button C each time you wish to establish a GPS Sector timing line Note Jf simple lap timing based on the start finish line i e no sectors is required press Exit and confirm settings by pressing button D Yes prompt Page 21 of 32 Copyright BJR Technology Ltd d When you have marked the desired number of GPS timing lines press button A to Exit and if satisfied press button D Yes to complete this procedure Selecting No will restart the process allowing you to mark a new set of GPS timing lines Note If all sectors available are marked then the unit will automatically exit this menu Getting the best results from GPS Timing For consistent results it is best practice to drive in a straight line mid track and at a reasonable pace whilst marking GPS start finish and GPS sector timing lines GPS timing lines set on bends may yield undesirable results and besides from a Safety point of view this is not the best place to be setting timing sectors The maximum number of GPS timing lines is four which creates a four time sectors Regardless of the number of sectors you require it is best practice to have them spaced equally around the circuit Throughout the process of setting up of
23. te almanac and ephemeris data during this phase the startup time is also affected If the startup time is significantly long i e more than 15 minutes then this could be an indication that the receiver isn t correctly installed and doesn t have a clear view of the entire sky Status Light Current Status Action Red Continuous Power is on and None wait for the light to flash awaiting GPS satellite Amber signal Amber Flashing Acquiring satellite None wait for light to go Green positions Green Continuous Ready None begin using the system Red Flashing or GPS Error Restart If the error doesn t clear excessive time for then try relocating the receiver to a LED to go Green different location on the vehicle Setting the L Sys2 for GPS Track Timing and GPS derived Speed 1 Power on and enter configuration mode a Select TIME from the available menu items b Press ENTER c Select GPS d Press EXIT and save changes when prompted 2 Re enter configuration Select SPEED from the available menu items Press ENTER Set Pulses Rev to GS Press EXIT once Save changes when prompted oan0oo You are now ready to begin marking GPS timing lines detailed in the next section Mar 2014 Page 20 of 32 Copyright BJR Technology Ltd Setting up the GPS Start Finish and Sector timing lines Once the configuration settings are set for GPS timing and a
24. ternatively it can be connected to a larger capacity external battery i e a 12v 4Ah lead acid battery pack using an optional power adapter lead When the external power lead is connected the internal battery pack is automatically disconnected When powering the unit by external power Do Not use anything other than a 12V battery pack as this may render the unit unserviceable The battery power available is monitored internally by the unit and the status reported by the Red LED located near to the power switch as follows Mar 2014 Page 8 of 32 Copyright BJR Technology Ltd Red LED Status Action ON Continuous Battery OK None Flashing slowly Battery Low Replace as soon as possible Flashing rapidly Battery Critical Replace immediately OFF No power Switch Unit to On Replace batteries or connect a fresh external battery Battery Replacement To replace the internal batteries carefully remove the four rear cover screws and put to one side Remove the battery pack and foam supports Replace batteries ensure that the correct polarity is observed Replace the foam supports battery pack and the rear cover Do not over tighten the retaining screws Mar 2014 Page 9 of 32 Copyright BJR Technology Ltd Temperature Sensor Installation The temperature sensor body must be fitted carefully to the selected location with the sensor body and or the threads sealed to prevent any fluid loss Ensure the cable is route
25. tioning Satellite System and is used with the BJR L Sys2 Race Console The unit requires careful installation to get the best possible performance from the GPS system The GPS Receiver must be located ideally at the highest point of the vehicle i e the top of a roll bar roof or bonnet mounted Either way the receiver must have a clear view of the sky and more importantly a clear all round view of the horizon It should not be effectively screened by bodywork etc Alternative locations such as on top of the dashboard where the windscreen lower edge meets the vehicle body usually work satisfactorily but can sometimes result in weak or distorted signal reception thus potentially giving poorer performance and inaccurate results Avoid routing the GPS receiver cable adjacent to any high current and or high voltage wiring e g battery or starter motor feeds ignition coil HT leads or near to any high level heat sources such as exhaust systems etc The GPS Receiver is plugged into the multiway expansion port on the rear of the race console Before plugging in make sure the race console is powered off Optical Beacon Receiver Installation The optical beacon receiver is designed to be used in conjunction with the BJR Technology Optical Beacon Transmitter The receiver should be mounted in a position where the receiver eye dark blue and domed shape has a clear line of sight to the transmitter when passing it Depending on the track c
26. uct is designed for use with 12v in car power systems only It is not compatible with 24V or 48V power systems e Before commencing with the installation and any subsequent use of this product your attention is drawn to the product limitations of use and liability as defined in section headed Limitations of Use and Liability on page 26 Mar 2014 Page 2 of 32 Copyright BJR Technology Ltd Packing List Depending on which L Sys2 model you have obtained the following items should be correctly packed and included with the product L Sys2 GPS amp IR All Models 1 x L Sys2 Race Console Unit 1 x Temperature Sensor 0 to 150 deg C 1 x Power RPM pickup lead 1 x Carry storage case 1 x Micro SD memory card pre inserted in the race console unit Data Viewing Software a ong with the following files which are pre installed to the SD card o BJRL Sys2 Data Viewer software can be run directly from the SD card or can be installed if preferred o this L Sys2 User Guide o Configuration file set to factory defaults IR Model e 1x Wheel Speed Sensor e 2 x Wheel Sensor Magnets e 1 x Optical Beacon Receiver e 1x Optical Beacon Transmitter e 1x Set of eight AA batteries GPS Model e 1 x GPS Receiver Pressure Sender e Optional item please contact us for further purchase information 3 Axis Accelerometer G Sensor e Optional item please contact us for further purchase information In the unlikely event of an
27. y Ltd Mechanical Mounting The unit should be mounted in a position where the display and all LED s are clearly visible by the driver When mounting the unit be sure to use screws of the correct length and size No 4 x 1 4 plastite screws and washers as supplied do not overtighten these fixings If a panel cutout is required to accommodate the rear panel connections of the unit then refer to Appendix A for an installation cutting template and full dimensions of the unit Power On Self Test When power is supplied to the L Sys2 several things happen during the power on self test e TheLCD module will light up and display a message stating the model along with the version number of the firmware installed along with our web address e The Alarm and Shift Lights will light up in sequence and then flash briefly allowing the user to verify their operation e The number displayed on the gear position indicator will count up from 0 1 through to 9 e Once self test has completed o The LCD module will display a message prompting the next action i e Configure New Review providing there is data available for review o The gear position indicator will be displaying e Atthis stage the L Sys2 has passed all power on tests and is now ready for use Mar 2014 Page 6 of 32 Copyright BJR Technology Ltd GPS Receiver Installation The GPS receiver is designed to receive signals from the Global Posi
28. y items missing or damaged then please contact our support team Use the contact form located on our on the website at www bjr technology co uk Mar 2014 Page 3 of 32 Copyright BJR Technology Ltd Installation Race Console Installation Before commencing installation take time out to plan where the unit will be installed Important The race console unit is rated at IP54 and is water resistant However it should not be located where any direct water jets spray or standing water can reach the unit The unit must be mounted vertically at all times to maintain this rating Particular consideration must be given to the routing of sensor cables and the connections to the power lead If longer sensor leads are required then please contact us to order any extension cables Avoid routing the power or sensor cables adjacent to any high current and or high voltage wiring e g battery or starter motor feeds ignition coil HT leads or near to any high level heat sources such as exhaust systems etc LED Shift Lights Stage 6 All Flash Button D Gear Indicator MicroSD Card AlphaNumeric LCD Slot Mar 2014 Page 4 of 32 Copyright BJR Technology Ltd Expansion Port 12v de Power amp managed rpm Inputs Fixing Hole Fixing Hole Beacon Receiver Input Temperature 2 Input Speed Sensor Input Temperature 1 Input Fixing Hole Fixing Hole Power RPM C
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