Operation CHARM: Car repair manuals for everyone.

Button Operation




The two button user interface consists of the following switches:
^ US/MET
^ MODE

The US/MET switch allows the user to toggle the display readout between the English and the metric systems.

The MODE switch serves the function of toggling the display between the following modes of operation:
^ OFF
^ COMP/TEMP
^ TRIP




Once in the TRIP mode of operation, the MODE switch served to step the use through the TRIP functions. Refer to the above table for information about the applicable states and the sequencing order of the MODE switch.