Ryobi RY48ZTR75 Service Manual page 12

DIGITAL MULTIMETER (DMM)
Typical DMM (Fluke 87). Note the dial is set to the
"DIODE" function.
this function will be used in
many of the following procedures.
Also note where the red and black jacks
of the test leads are connected to the DMM.
If you are unfamiliar with a DMM, please read the section
Electronics Tips for the Mechanical Small Engine Technician
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