the AIM MyChron4 User Manual
Contents
1. lt lt and gt gt buttons www aim sportline com www mychron4 com 18 TIR MyChron4 CTD User Manual Racing Data Power Release 1 03 1 4 Split summary Pressing a fourth time MEM OK button split summary page shown below appears TEST 4 LAP 3 00 35 AA HONZA 55 06708 A2 43FH O RPH H4Ti 16259 SA OF 354 SOF It shows a summary of the lap analysed in the previous page 1 ee eS Ole ey test session number selected lap number selected lap laptime track name test session date selected lap hour max min RPM value of the analyzed lap max min temperature value of the selected lap www aim sportline com www mychron4 com 19 FTD MyChron4 Ai User Manual Racing Data Power Release 1 03 7 5 Best Rolling Lap and Best theoretical In case MyChron4 is set to sample split times pressing for the fifth time MEM OK button user enters Best rolling and best theoretical page shown below Best Rollins 00 44 02 Theoretical Best 00 39 40 Best Rolling shows the best lap time the pilot really made but not from start finish line to start finish line Best Theoretical represents the lap time resulting from the sum of the best splits recorded in the session www aim sportline com www mychron4 com 20 Mi TD MyChron4 ties User Manual Racing Data Power Release 1 03 8 Data key for data download For a quick and immediate data download on2. fr Maximum RPM set RPM max value shown in the proper display field RPM Factor available options are x1 x2 2 4 RPM Tattle set RPM threshold value that switches on MyChron4 RPM led shown below Hold RPM Peak set the period of time in seconds during which RPM value refresh at display is stopped Available options are from 5 to 10 with increasing value and OFF disabled RPM Max value is generally reached just before a corner where it is very difficult for the pilot to look at the lap counter This is why if required the system stops the refresh of RPM value at display for some seconds www aim sportline com www mychron4 com 15 z MyChron4 CTD User Manual Racing Data Power Release 1 03 7 MyChron4 data analysis To enter MyChron4 data recall and scroll menu pages press more times MEM OK button ON VIEW button quits data recall and comes back to MyChron4 main display page 7 1 Session Summary Pressing once MEM OK button session summary page shown below appears It shows a Summary of the main session data distributed as follows 1 test session date 2 test session number test session number of laps each lap max temperature each lap max and min RPM value three faster laps lap time lap number Max RPM value recorded in that test session one ae It is possible to change the session using lt lt or gt gt button www aim sportline com www mychron4 com 16 TIR M
3. languages English Italian Dutch French Deutsch Japanese Spanish Swedish and Portuguese www aim sportline com www mychron4 com 12 CD Racing Data Power MyChron4 User Manual Release 1 03 6 2 Control panel or custom configuration selecting configuration icon a sub menu appears P ny 7 H arnt L S SETUF T Clear Test Data Each icon allows the user to set different functions LELET T RFP SETUF _ Ss k r C3 Clear test data allows to delete data stored in MyChron4 memory RPM Setup enters a sub menu explained in the related paragraph Set Temperature allows the user to link temperature alarm threshold value to one of MyChron4 lateral led and to set temperature unit of measure Drive setup as explained in configuration wizard paragraph this function allows the user to set drive type and in case kart gears number accepted values from 2 to 6 Lap split Setup selecting this icon the related sub menu appears e Total magnetic strips allows the user to set the number of magnetic strips optical transmitters installed on the track e Split mode allows the user to show split as absolute value actual or as difference in respect of best lap best e Start line number in case of a track with more than one optical transmitter magnetic strip it is required to set the one used as reference for lap time www aim sportline com www mychron4 com 13 TIR MyChron4 CT
4. D User Manual Racing Data Power Release 1 03 e Set Time Date set date and time format 12 or 24h and MM DD YY or YY MM DD or DD MM YY e Predictive enables disables predictive lap time Note this function is available only if split number is set on 1 and drive type on direct drive ICA FA etc Like split also predictive can be enabled disabled and can be shown as absolute or difference mode e reverse reverses MyChron4 menu background and text colours e System Information shown below shows logger name 1 firmware version 2 logger serial number 3 and version 4 EU European USA American ch System Setup selecting this icon the related sub menu appears O AIH MeChron 4 2 MYCHR4 v31 55 66 4 SN 399497 EU Vers Wid My chrong caom Pilot selecting this icon the window shown below appears It is associated to each run both in data recall on the display and in data analysis through the PC I Enter Driver s Name GEeECCEFGHIJ KLMAOPG RST UWHRYZ81 23 J 45678939 H E A H Use the top right button to select a character the arrow to delete it and the floppy icon to save the pilot name www aim sportline com www mychron4 com 14 y MyChron4 CTD User Manual Racing Data Power Release 1 03 6 2 1 RPM Setup RPM Setup icon of system configuration menu allows the user to enter the related Sub menu Maximum RPM Lee RPM Factor xib RPM Tattle A Hold RPM Peak OFF
5. Date of Run Laps Max speed Max tem Max tem DRE File name jw Willbe downloaded 5 ALE May 06 2008 103 53 oO UGENTO ALE rO001 2008 L wf W wil be downloaded T ale May 06 2008 13 108 55 0 UGENTO ALE r003 2006 yf J es Operation status Cancel It shows all data stored in Data key select only those to download Press download selected button and the system downloads data At the end the software comes back to its main window To see downloaded data press Go to Analysis button on the vertical keyboard or on the menu bar Warning for any further information concerning Race Studio 2 or Race Studio Analysis software refer to the related user manuals www aim sportline com www mychron4 com 22 staf MyChron4 CTD User Manual Racing Data Power Release 1 03 9 MyChron4 firmware upgrading firmup MyChron4 like all AIM loggers is always improving and can be easily upgraded following this procedure connect to www aim sportline com or to www mychron4 com website select download area and firmware section click on firmware MyChron4 select save option and downloaded firmware destination folder connect Data key to the PC USB port and run the firmup press run button the window here below appears C UPDATE for MYCHRON_4 SYSTEM Vers 2007 11 03 Vers in FIRMUP DATAKEY 33 27 2008 04 07 2008 04 07 MYCHRON4 31 55 06 2008 04 24 55 2008 04 24 LIN
6. GUA 34 25 i 2008 04 24 EBOX 32 14 2008 03 10 LAMBDA 25 11 25 2008 01 09 GPS 35 12 2007 10 23 2007 10 23 The DATAKEY updates the Firmware of MYCHRONA EBOX GPS LAMBDA with the versions in FIRMUP always The DATAKEY doesn t update the Firmware of MYCHRON4 EBOX LAMBDA GPS PROCEED EXIT It shows top left 1 firmware versions included in the run firmup top right 2 firmware versions at present installed in Data key Bottom possible updating options To upgrade MyChron4 firmware select the first option green circled Data key updates the firmware of MyChron4 The system ask for confirmation Press Yes Firmup_MYCHRON4GPS_080474 e P The DATA on your KEY will be ERASED Sr Do vou agree Firmware upgrading procedure will start the waiting bar shows upgrading status and a text informs the user on which step is in course as shown below www aim sportline com www mychron4 com 23 staf MyChron4 CTD User Manual Racing Data Power Release 1 03 C UPDATE for MYCHRON_4 SYSTEM Vers 2007 11 03 CTD Yers in FIRMUP Vers in DATAKEY DATAKEY 33 27 2008 04 07 MYCHRON4 31 55 06 2008 04 24 LANG 34 25 2008 04724 EBOX 32 14 2008 03 10 LAMBDA 25 11 2008 01 09 GPS 35 12 2007710723 D Copying Firmware for MYCHRONA At the end of the procedure the system informs the user that upgrading has been done on Data key Firmup_MYCHRON4GPS_080424 Eg Congratulations The DATAKEY has been updated Further your DATAKE
7. MyChron4 User Manual MyChron 4 is an extremely innovative instrument in the world of multi purpose kart loggers Designed and developed to be the heart of a modular end expandable system MyChron4 perfectly connects to a wide range of expansions This characteristic makes it unique and fitting any pilot need from the beginner that needs few basic information to the pro that needs to analyse his and its kart performances in detail Moreover thanks to the numerous and innovative functionalities of Race Studio Analysis the analysis software strengths and weaknesses of any test session will be analyzed in an easy and intuitive way The software is available for free download at www aim sportline com and www mychron4 com Equipped with a wide graphical display MyChron4 can display sampled data as histogram and using MyChron4 Picture Manager the free software it is possible to upload bitmap images like for example your team logo When connected to the expansions that AIM designed and developed for his most innovative loggers from Gps Module to Data Hub from Lambda controller to eBox MyChron4 becomes a data logger with a virtually infinite number of channels Moreover thanks to the practical download via Data key MyChron4 does not need a Computer immediately available on the track and allows data download on different computers MyChron4 like all AIM products is always improving this is why it is suggested to periodic
8. Y contains the MY CHRON Firmware update Simply connect the DATAKEY to your MyYCHRON4 to apply the update ENJOY MyYCHRON4 It is sufficient to connect Data key to MyChron4 and updating procedure starts automatically www aim sportline com www mychron4 com 24
9. a PC AIM developed Data key the special USB pen drive extremely handy and compact With 32 Mb internal memory it can be used to save data coming from different sessions of the same kart or from different karts Each session is recognised thanks to the association of the data with track name pilot name and session incremental number Data key can be used also to upgrade MyChron 4 firmware 8 1 MyChron4 data download To download data from MyChron4 on the PC connect Data key to MyChron4 data download proceeding starts automatically and MyChron4 display shows a message Available options are e Memory Empty MyChron4 has no stored data e No New Data data stored in MyChron4 memory have already been downloaded on that Data key e Download Data there are new data to download on that Data Key Once data download is over plug Data key in the PC USB port run Race Studio 2 software and press Download data button as shown below fin Aten ma heila Anas AIH ian eiea Cine AM pibe calibrates Quem ust Gare Sele Later F Racing Data Power aim sporiiine_com www aim sportline com www mychron4 com 21 TD MyChron4 CLL User Manual Racing Data Power Release 1 03 Data download window shown below appears Download 2 30 03 USB CAN KEY CiProgram Files 41MD47 44 lt Track gt lt Driver gt lt Test Number gt lt Year t yyvy gt lt Month gt lt LoggerType gt drk Do Hi Driver
10. ally check www aim sportline com or www mychron4 com to know if AIM released new firmware and or software for MyChron4 7 MyChron4 CTD User Manual Racing Data Power Release 1 03 INDEX TMC ONA CISD AY cesiccce en cc erences rene cieccsenct acer et ea tester coin vee ereesteectene EEN EEE 4 2 MyChron4 connections ANd POWEL ccccecsceeeseceeseceeeeeeeseeenseeenseseneesenseneasenes 5 2 1 MyChron4 external power cable avcciisccsettecsecececteeseasndeeeesssinecuwsesteswucssesncvuensesvensedseueveneussenevataes 6 3 Temperature sensors for MyChron4 cccccccesseceeseseseeeeeseseeseeeeseeenseneeeeneanenes 7 4 MyChron4 receivers sssnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnnm 8 5 MyChron4 installation ov cc cn cccncacesesecescceen decane ences wcnweceunseensacedesncenscewnveuassncaesscssxcess 9 5 1 Fixing RPM cable on 4 strokes engines Honda Briggs amp Stratton scsscessssssseeeees 9 5 2 Fixing RPM cable on 2 strokes engines Tag Junior ICA FA ICC eCC csseeeseees 10 6 MyChron4 configuration and WIZAaI c cccceeeseeeeeeeeeeneeeeeneeeeeneeeneneeeenneeeennees 11 6 1 MyChron4 configuration MeNu cccccccsssseeescssssseeeseeessseeeeeesseeeeeeoesseeeeeeoensseeeeooesseeseonenneees 12 6 2 Control panel or custom configuration ssssssnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn mnnn 13 6 2 1 RPM Setup n
11. ata Power Release 1 03 2 MyChron4 connections and power On the back of MyChron4 are three connectors shown below Connector 1 Temperature input It allows the connection of a temperature sensor among those available to measure water cylinder head or exhaust gas temperature Connector 2 Lap time receiver It allows to connect optical or magnetic lap time receiver Connector 3 eBox input It is for MyChron4 external power eBox and Data key connection data download on a Pc Here below MyChron4 eBox is shown www aim sportline com www mychron4 com 9 FTD MyChron4 Ai s User Manual Racing Data Power Release 1 03 2 1 MyChron4 external power cable MyChron4 can also be powered from an external power source but in this case it needs the proper power cable shown below External power cable has a double function it powers MyChron4 using the engine battery or the power produced by the master switch and detects RPM value through this same cable when it is connected to the master switch avoiding the installation of RPM cable External power cable is expected for some 4 stroke engines Honda Briggs amp Stratton Note MyChron4 has an auto power off function after eights minutes of inactivity that switches the logger off also if externally powered www aim sportline com www mychron4 com 6 CD Racing Data Power 3 Temperature sensors for MyChron4 MyChron4 User Manual Release 1 03 MyC
12. ed parameters Warning the Wizard has to be completed at least once or it will re start at the first Switch on Wizard steps are Almost Language Pilot name Drive Setup in case of gearbox set the number of gears Temperature unit of measure Fahrenheit Celsius RPM max value RPM tattle M4 Temp 1 Alarm Adjust Hour date all Wizard steps are extremely intuitive and do not require a particular explanation except may be Drive Setup Note 1 Direct drive used in karts without clutch like classical Formula and ICA Low stall clutch used in Rotax Max TAG JICA HPV Comer and in most 4 strokes engines Gearbox in case this drive type is selected the user is required to insert the number of gears the engaged gear number is shown on the display only if MyChron4 is connected to eBox that managing speed signal allows to compute the engaged gear usi Note 2 ng the proper algorithm based on RPM and speed in case of gearbox and direct drive type predictive option won t be available www aim sportline com www mychron4 com 11 TD MyChron4 Ai User Manual Racing Data Power Release 1 03 6 1 MyChron4 configuration menu Press MENU button to enter the configuration In case the Wizard has been activated and completed at least once the menu below appears T Control Panel Each icon allows the user to enter a configuration function 4 wed Backlight icon allows the us
13. er to enable disable the display backlight At logger power on it is disabled and disables at power off Session mode icon allows the user to set session mode as e lap counter the logger shows the incremental number of run laps e count down the logger shows the remaining time to the end of the qualify or the race Obscuring time icon allows the user to set minimum lap time and obscuring time It is very useful to avoid false lap times in case more magnetic strips momon momom or transmitters are installed on the track From start finish line and for the set period of time the receiver wont record signals Track icon allows the user to set the track name Track name is associated to each sampled run downloaded to the PC and managed by Race Studio 2 software It is possible to insert track names and select them when needed Configuration icon allows the user to enter MyChron4 custom configuration Refer to the paragraph concerning control panel for further information Configuration Wizard icon enters MyChron 4 configuration wizard that allows the user to quickly set the basic parameters the logger needs at start up Hour meter Icon allows the user to manage the logger hour meters MyChron4 manages 5 hour meters four of which resettable that can be associated for example to four different engines and a fifth one not resettable Language icon allows the user to select the logger language MyChron4 manages these
14. hron4 can be connected to different temperature sensors shown below CHT Thermo resistor detects the temperature of the cylinder head and should be mounted removing the spark washer to keep the same compression ratio CHT Thermocouple Detects the temperature of the head of the engine and should be mounted removing the spark washer to keep the same compression ratio Water Thermocouple should be mounted on the proper adaptor shown on the right wrapping the thread with Teflon to ensure the seal EGT Thermocouple Should be installed on the exhaust pipe at a distance of 100 120 mm from the piston shell to have a correct reading of the value www aim sportline com www mychron4 com 7 MyChron4 CTD User Manual Racing Data Power Release 1 03 4 MyChron4 receivers MyChron4 supports both optical and magnetic lap receiver shown below The system automatically recognizes the connected receiver Magnetic receiver Optical receiver As explained more in detail in the chapter concerning MyChron4 configuration in case the track has more magnetic strips optical transmitters it is necessary to set the logger as to indicate e number of magnetic strips transmitters installed on the track e magnetic strip transmitter corresponding to start finish line www aim sportline com www mychron4 com 8 ETD MyChron4 Ai in User Manual Release 1 03 Racing Data Power 5 MyChron4 installati
15. oenee a ee Tr edea i E aat 15 7 MyChron4 data analySiS a nnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn mnnn 16 AI SOS SIO SUMMANI iia A A A EE E E E 16 Ta Lap ime NS OC Mea Mee E este eee cee 17 To RPM raphe E E 18 ee SPOT SUTTON E E E E E E E E A E E E T A E 19 7 5 Best Rolling Lap and Best theoretical sisccceesescstevsecesteeweccedseneccssvewesesbwensestcenesercekdesescenseenedents 20 8 Data key for data download 1ccccesecseeeeeeeseeeneeseneeeeneeeeneeeeneeeeneeseneeoeneeoenees 21 8 1 MyChron4 data download pe oicoics recesses eateries costco eelecesee dees rename seeedabereeceaseeneveneuseciendecateusesane 21 9 MyChron4 firmware Upgrading firmup cccceeseseeseeeeeeeeeeeeeneeeeneeeeneeeenees 23 www aim sportline com www mychron4 com 3 TD MyChron4 Ai a User Manual Racing Data Power Release 1 03 1 MyChron4 display MyChron4 display shows a lot of information Here below they are explained in detail MEM OK 1 ON VIEW Aeee Power on button Data recall button Menu and scroll button Power off and scroll button RPM alarm led Led AL1 temperature alarm Lap time Temperature value with configurable unit of measure Digital RPM value 10 Lap number 11 External battery alarm 12 RPM graph bar 13 Bar graph scaling in thousands Se ee eee a T www aim sportline com www mychron4 com 4 MyChron4 CTD User Manual Racing D
16. on Pay particular attention to this step to allow MyChron4 work properly To minimize logger vibrations the rubber washers supplied with the kit should be mounted over and under the steering spoke as shown below Moreover it is suggested to fix RPM cable in case of internal power on the spark plug cable following the specifications of the different engines 5 1 Fixing RPM cable on 4 strokes engines Honda Briggs amp Stratton 4 strokes engines have a very weak power on system It is thereby necessary to wrap more times the cable on the spark plug cable as shown below to make the logger become more sensitive Wrapping of RPM cable on spark cable Particular of the wrapping www aim sportline com www mychron4 com 9 MyChron4 CTD User Manual Racing Data Power Release 1 03 5 2 Fixing RPM cable on 2 strokes engines Tag Junior ICA FA ICC ecc Power on of 2 strokes engines supplies a very strong signal it is thereby sufficient to fix RPM cable on the spark plug cable using the proper clip as shown below gt Wrapping of RPM cable on spark cable Particular of the wrapping www aim sportline com www mychron4 com 10 7 MyChron4 CTD User Manual Racing Data Power Release 1 03 6 MyChron4 configuration and wizard To enter configuration menu press MENU button The first configuration is made trough the Wizard a sort of tutorial menu that allows the user to quickly configure all need
17. yChron4 CTD User Manual Racing Data Power Release 1 03 7 2 Lap time histogram Pressing a second time MEM OK button lap times histogram page shown below T 4 L7 00 34 14 ry 00 34 14 QgEzj 00 aa It shows lap times in histogram format test session number number of the selected the one where the cursor is lap lap time of the selected lap lap selection cursor difference in respect of test session best lap in this case the difference is zero because selected lap is the best one test session best lap time in this case it is the same as lap time because the selected lap is the best one A a i o It is possible to scroll all laps using lt lt and gt gt buttons Note the histogram does not appear if the session test has less that 5 laps www aim sportline com www mychron4 com 17 FEF MyChron4 CTD User Manual Racing Data Power Release 1 03 7 3 RPM Graph Pressing a third time MEM OK button RPM graph page shown below appears TEST LAF ABS 160 00 35 39 Mo Q M4 Tit 88 C Rem 1616 It shows lap RPM value 1 test session number 2 lap number 3 incremental lap time in the selected point the one where the cursor is positioned selected lap time selection cursor temperature in the selected point the one where the cursor is positioned RPM value in the selected point Sole It is possible to scroll RPM and temperature lap values using
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