Paccar Peterbilt SmartAir, Руководство оператора

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(R05/2014)
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How to Reset the System Timer
The system has a timer to track the amount of usage
since the last reset. Resetting this timer does not affect
the CHECK FILTER indicator. To reset the timer:
1. Press ENTER until the HRS are displayed.
2. Press and hold the ENTER button for 7 seconds
to reset the timer.
3. Wait 5 seconds for the changes to be accepted and
the system to respond.
• The display will reset to 00:00.