30. REVO TACHOGRAPH (TCO 15-7) 30.1 EXPLANATION OF COMPONENTS 1. INSTRUMENT LOCK This can be used for the key to open when replacing the chart. 2. CLOCK DIAL One line indicates one minute. 3. SPEED SCALE This is the scale for the machine travel speed. 4. SPEED INDICATOR This indicates the machine travel speed. 5. SPEED WARNING LAMP When the machine exceeds the maximum set speed, the lamp lights up to warn the operator. Models with the speed warning lamp do not have the speed indication confirmation lamp. 6. SPEED INDICATION CONFIRMATION LAMP This is interconnected with the speedometer and is used to confirm the speed indication.
When using the confirmation switch to light up the confirmation lamp during checks before starting, always check for any disconnection in the three indication confirmation lamps. Models with the speed indication confirmation lamp do not have the speed warning lamp. 5-21