39
Display backlight
Press and hold
HOLD
button for over 2 seconds to turn on or turn off the display backlight.
The BLUE button
This button is used for selecting the required measurement function when there is more than one
function at one position of the rotary switch.
Automatic power off
The meter power off automatically if you have not changed the rotary switch or pressed a button for
15 minutes.
Part 2
Diagnosis of Automotive Troubles
The Meter is a tool for the very effective diagnosis of the troubles with the electronic systems of the
automobile. This part gives a special introduction as to how the Meter is used to diagnose any
trouble with a fuse, switch, solenoid, relay, starting and charging systems, ignition system, fuel
system and engine sensor.
Fuse Testing
Check the fuse to see if it is blown out.
72-9280: OPERATING MANUAL
