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1) How to set the input channels 

 
Press “Channels” button to set the sensors you have installed 
on your gauge. It will appear the following screenshot. 
 

 

 
In order to set an input channel, double-click on the cell 
corresponding to the desired input channel: it will appear the 
screenshot shown in the previous picture. 
Select the desired input channel among the available ones. 
 

2) How to configure the gauge 

 
Once set the desired input channels, press button 
“Configuration” button to set the RPM maximum value, the 
temperature measure unit, the RPM factor, the split numbers 
etc… It will appear the following screenshot. 
 

 

 
To correctly configure your 

MyChron 3 XG

 it is necessary 

to set all the parameters reported in this dialog box: 
 

 

Display language. 

 

RPM multiply factor. 

 

Maximum RPM value. 

 

Temperature, pressure and speed measure unit. 

 

The alarm values for the 4 analog inputs. 

 

Pulses per wheel revolution. 

 

Wheel circumference. 

 

Obscuring time. 

 

Number of splits. 

 

Shift lights. 

 

Gear sensor (None, “On-board”, Calculated). 

 
Please, refer to the user’s manual in order to get further 
information concerning gauge’s configuration. 

 

3) How to transmit the configuration

 

 
Once you set the input channels and you have configured 
them, you have to transmit the configuration to the 
instrument by pressing the “Transmit” button. 
It is reminded that, in order to transmit the configuration, the 
gauge must be switched on and connected to the PC, as 
shown in Figure 4. 
 

4) How to calibrate/autocalibrate the sensors

 

 
Once the configuration has been transmitted to the PC you 
have to calibrate/autocalibrate the sensors. 
The internal lateral accelerometer and the “potentiometer 
distance” need to be autocalibrated, while “Mid zero 
potentiometer”, “zero based potentiometer” and the “on-
board gear sensor” need to be calibrated. 
 
Please press “calibrate” button and it will appear the 
following screenshot. 
 

 

 
Please follow these instructions: 
 

 

The G-force sensor and the “potentiometer distance” 
sensor need to be autocalibrated pressing button 
“Click here to autocalibrate all sensors in the list”. 

 

To calibrate the “on-board” gear sensor, the “Mid 
zero potentiometer” or the “zero based 
potentiometer”, please click on the corresponding 
“Calibrate” button and follow the instructions 
prompted on your PC’s monitor. 

 

It is reminded that the calibration/autocalibration 
procedure is fundamental in order to acquire correct 
data.  

 

5) Re-transmit the configuration

 

 
Once the calibration/autocalibration has finished, it is 
absolutely necessary to re-transmit the configuration to your 

MyChron 3 XG

 pressing the “Transmit” button. 

 

 
 
 

                                                                                                             Technical documentation: 

MyChron 3 XG 

3

Summary of Contents for MyChron 3 XG

Page 1: ...a sond and Pitot tube speed sensors engine s RPM sampled either from the ECU square wave signal or from the coil lap and split times engaged gear number the gauge is able to sample the gear number either using an on board gear sensor or calculating them using the speed vs RPM ratio 1 speed input lateral G force the G force sensor is mounted inside the Junction box logger temperature Data is stored...

Page 2: ...use the USB data download cable and plug it both in the gauge s USB port and in the PC s USB port as explained in Figure 4 Moreover it is reminded to use a 9 15 Volts external power source in order to be able to switch on the gauge CH2 CH1 CH4 CH3 Power IN GEAR Beacon Speed RPM Figure 4 How to connect your MyChron 3 XG to the PC Software Speed direction Lateral accelerometer Once the data logger h...

Page 3: ...them you have to transmit the configuration to the instrument by pressing the Transmit button It is reminded that in order to transmit the configuration the gauge must be switched on and connected to the PC as shown in Figure 4 4 How to calibrate autocalibrate the sensors Once the configuration has been transmitted to the PC you have to calibrate autocalibrate the sensors The internal lateral acce...

Page 4: ...ion 1 9 15 V power input 3 GND 2 GND RPM channel pinout Pin Function 1 RPM 150 400 V input coil 2 GND 3 RPM 8 50 V square wave ECU Note when connecting the RPM channel it is reminded to connect either the RPM signal sampled from the coil or the other one sampled from the ECU not both Moreover do not connect the RPM coil signal on the RPM ECU input 3 4 pins female Binder 712 connectors pinout exter...

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