Fig. 11
6.2.3 APK Procedure (Official Measurement)
The particle counter firmware program automatically guides the device operator through
the measurement procedure as described below:
1. Start the device as described in section Hardware .
2. Press the left button to enter the procedure.
Fig. 12
3. Enter the vehicle registration number using the two buttons on the device or
connecting a keyboard. Click the right button to jump to the next cursor position.
4. Move the cursor to the field and click the button to confirm the number plate
and then .