29. TACHOGRAPH (TCO 15-6) 29.3 METHOD OF USE 1. Checking operation of clock Watch through clock operation confirmation aperture 1 to con- firm that the clock is working. The clock is electric, so there is no need to wind it up. 2. Opening the cover Insert the instrument lock key in hole 2 , turn counterclockwise 90°, then pull open carefully. The cover can be opened approx. 115°. Do not open it further than that, or pull it strongly, or put anything heavy on the cover, as these will cause failures. 3. Setting the time Turn time setting knob 3 to set the time. Precautions when setting time Always set the time with the time setting knob.
Turn the hand in the direction of rotation 10 minutes beyond the correct time, then turn back to the correct time. 4. Filling in chart Before inserting new chart paper, always fill in the required items. (Operator code No., machine code No., date, etc.) Fill in the above items with a steel pen. Handle the charts carefully with clean hands, and do not fold or scratch them. AE137690 5. Removing used charts Push down the clamp and pressing ring 4 holding the charts, turn counterclockwise, and pull out the pressing ring at the point where it contacts the stopper, then remove the charts. 6. Inserting new charts Remove pressing ring 4 , then set the charts under cutting knife 5 .
When doing this, align the time on the charts (for example when the starting time is 9 am) exactly with red point 6 on the instrument body. 5-19