PRO-S Rev1104
19
CALIBRATION
RPM Calibration (PRO-S 3, 6, and 8)
The following models of the PRO-S require the RPM control to be calibrated:
PRO-S 3 Non-electronic diesel and gasoline engines
PRO-S 6 Ford engines
PRO-S 8 Scania engines
Initial conditions
To perform the following calibration procedure a reference tachometer is needed
to verify the correct engine RPM, the engine must be at idle RPM, and the SETTING
display on the PRO-S must show IDLE.
1. Press RPM mode button.
Result: RPM LED indicator goes on.
2. Press IDLE button two times.
Result: SETTING display shows CAL flashing.
Note: Confirmation of selecting the calibration mode has to be input within
five seconds of CAL flashing in the SETTING display.
3. Press IDLE button two times again to confirm selection of calibration mode.
Result: SETTING display shows CAL steady.
4. Press PRESET button.
Result: SETTING display alternately flashes SET and 1200.
5. Press INCREASE/DECREASE button to set reference tachometer to 1200
RPM.
Result: The engine RPM will respond to changes of the INCREASE/
DECREASE buttons.
6. Press PRESET button.
Result: Engine RPM goes to idle.
SETTING display shows IdLE.
RPM calibration is complete.
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