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1 Overview...............................................................................................................................................................3
2 The SuperTune-12 (ST-12)...................................................................................................................................4
3 First Time Use.......................................................................................................................................................5
3.1 Launching and connecting LogWorks..........................................................................................................5
3.2 Connecting the LC-1ST to the ST-12 and Calibration .................................................................................6
3.3 Selecting internal sensors............................................................................................................................7
4 LC-1ST..................................................................................................................................................................8
4.1 Calibration....................................................................................................................................................8
4.2 Free air calibration........................................................................................................................................8
4.3 Sensor heater calibration .............................................................................................................................9
4.4 Sensor Location ...........................................................................................................................................9
4.5 HBX-1.........................................................................................................................................................11
4.6 Programming the LC-1ST..........................................................................................................................11
4.6.1 Resetting the calibration data ................................................................................................................12
4.6.2 Updating the Firmware...........................................................................................................................12
4.6.3 Programming the analog outputs...........................................................................................................12
4.6.4 Advanced output programming..............................................................................................................13
5 Internal Sensors..................................................................................................................................................14
5.1 Connecting Type K Thermocouples...........................................................................................................14
5.2 Connecting an RPM signal.........................................................................................................................15
5.2.1 Using the Variable Potentiometer..........................................................................................................15
5.2.2 RPM Measurement basics.....................................................................................................................15
5.2.3 Four-Stroke Engines..............................................................................................................................16
5.2.4 Two-Stroke Engines...............................................................................................................................16
5.2.5 Rotary Engines (Wankel Engine)...........................................................................................................16
5.2.6 How the ST-12 determines RPM...........................................................................................................16
5.2.7 Programming the RPM input..................................................................................................................17
5.2.8 Using the ST-12 with the Inductive Clamp.............................................................................................18
5.2.9 Inductive Clamp Usage..........................................................................................................................18
5.2.10 Using the RPM-Converter with pulsed RPM input (Tach) signals.....................................................19
5.3 Measuring Pressures .................................................................................................................................19
5.3.1 Measuring MAP .....................................................................................................................................19
5.3.2 Measuring boost/vacuum.......................................................................................................................19
5.4 Measuring Ignition Advance.......................................................................................................................20
5.4.1 Making your own optical reference pulse sensor ..................................................................................22
5.5 Measuring Frequencies, custom RPM, or speed.......................................................................................23
5.6 Measuring duty cycle..................................................................................................................................24
6 Programming the ST-12......................................................................................................................................24
6.1 Changing the device name ........................................................................................................................25
6.2 Updating the firmware................................................................................................................................25
6.3 Input 1 Configuration..................................................................................................................................25
6.3.1 Measuring RPM.....................................................................................................................................26
6.3.2 Measuring Frequency............................................................................................................................27
6.3.3 Measuring Speed...................................................................................................................................27
6.3.4 Duty cycle ..............................................................................................................................................28
6.4 Input 2 Configuration..................................................................................................................................28
6.5 Input 3 configuration...................................................................................................................................28
6.6 Input 4 configuration...................................................................................................................................29
6.7 Input 5 configuration...................................................................................................................................29
7 Appendix.............................................................................................................................................................30
7.1 Error Codes................................................................................................................................................30
7.2 LED Blinking Codes ...................................................................................................................................31
7.3 ST-12 Do’s and Don’ts...............................................................................................................................32
8 Revision History..................................................................................................................................................33
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