30. REVO TACHOGRAPH (TCO 15-7) 7. ODOMETER This displays the total distance (km) traveled by the machine. 8. PERIOD INDICATING LABEL This indicates that it is for 7 days. 9. RPM SCALE This is the scale for the momentary speed in revolutions per minute (rpm). 10. RPM INDICATOR This shows the momentary speed in revolutions per minute (rpm). 11. SPEED RECORDING STYLUS This records the momentary speed of the machine on the chart. 12. TRAVEL DISTANCE RECORDING STYLUS This records the distance travel by the machine on the chart. One up-and-down recording motion is 10 km. 13. ADJUSTMENT SCREW FOR SPEED WARNING LAMP The speed at which the lamp gives a warning can be set as desired. 14.
SPEED CONFIRMATION APERTURE FOR SPEED WARNING LAMP INDICATION This is the speed indication aperture for setting the desired speed. 15. CLOCK SETTING KNOB Turn clockwise to advance the hand, and counterclockwise to turn the hand back. 16. CHART SUPPORT This is the rotating part of the clock and has teeth to prevent the chart from slipping. 17. PRESSING RING This is a ring that presses the chart and holds it against the chart support. 18. CUTTING KNIFE This knife cuts the tape connecting the charts. 19. INSTRUMENT LIGHTING LAMP 20. NAME PLATE This indicates the type and model. 5-22