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2. General information on injection and ignition
The characteristics of the vehicle can be adapted to the driving style, route and type of terrain by adjusting the injection quantity
and/or the ignition time within certain ranges.
The characteristic fields, injection quantities and ignition time are preset to achieve optimized torque and power for the series versions of the power-related components.
If the power-related components change (more charge), the mixture becomes leaner.
In this case, the mixture should be adjusted in the "rich" direction to achieve optimum torque/power and to reduce the thermal load
on the components.
Attention: When the charge is larger, the mixture burns more rapidly.
To achieve maximum torque/power and avoid knocking, the ignition must be adjusted in the direction of "late".
3. Combination of Mapselect mappings and User Setting Tool mappings
The combination of mappings via the ignition curve switch (Mapselect) and User Setting Tool mappings results in the addition or subtraction of injection quantities and ignition curves.
Example:
When a Mapselect mapping with a "softer" power development is selected (e.g. Wet Condition Mapping for SX) along with a User Setting
Tool mapping with a "softer" power development, the vehicle characteristics become considerably "softer".
The same applies to the combination of "advanced" mappings, in which case the vehicle becomes considerably more "aggressive".
When opposing mappings are combined, one of which is "softer" and the other more "aggressive", they balance each other out.
4. Application in practice
Recording data, "Data Logging".
On the road, for example:
Before you connect the UST adapter to the vehicle, it must be ensured that the "Logging" function is active on the UST adapter.This
needs to be performed on the PC . The UST adapter does not need to be connected to the vehicle and the ignition does not need to
be active.It is sufficient to connect the UST adapter to the computer with the USB cable (for instructions, see the Parts Manual).
Start the program and open the "Data Setting(C)" file under "View(V)".
The "Data Setting" window opens. In this window, ensure that the "Logging" function is active. At the same time, all of the other set-
tings need to be defined as well, such as "Start Trigger", "End Trigger", .... For more information on the settings and a description of
the individual functions, see Chapter 3 "Data Logging Function" > "Logging Data Setting".
After all settings are made, disconnect the UST adapter from the PC and connect it to the vehicle (for instructions, see Parts Manual).
Depending on how the functions are defined, the data recording starts or ends. They are saved on the UST adapter.
After the recording is completed, the data can be transferred to the PC and analyzed.
To do so, connect the UST adapter to the PC. The vehicle does not need to be connected since the recorded data are found on the
adapter.
For detailed information on downloading the data to the PC and analyzing the data, see Chapter 4 (Application) > Subchapter 4
"Analyzing the Data Logging data".