Ryobi RY48ZTR75 Service Manual page 58

USING THE DMM TO MEASURE RESISTANCE
Before touching the probes of a DMM to anything, be sure it is
set to the correct setting.
Power must be OFF when measuring resistance
To measure DC voltage:
1. First, set the DMM to measure resistance
2. Touch the black probe to one point.
3. Touch the red probe to the other point.
The DMM in the photo displays 18.46 K ohms
"K" means Kilo or 1,000 or 18460 Ohms
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