3
•
USE EXTREME CAUTION when working with
high voltages.
•
DO NOT measure voltage if the voltage on the "COM"
input jack exceeds 500 V above earth ground.
•
NEVER connect the meter leads across a voltage source
while the rotary function switch is in the current, resis-
tance, or diode mode. Doing so can damage the meter.
•
ALWAYS discharge filter capacitors in power supplies and
disconnect the power when making resistance or diode
tests.
•
ALWAYS turn off the power and disconnect the test leads
before opening the doors to replace the batteries.
•
NEVER operate the meter unless the back cover and the
battery and fuse doors are in place and fastened securely.
•
NEVER use the meter if the meter or test leads look
damaged, or if you suspect that the meter is not operating
properly.
•
NEVER ground yourself when taking electrical measure-
ments. Do not touch exposed metal pipes, outlets, fix-
tures, etc., which might be at ground potential. Keep your
body isolated from ground by using dry clothing, rubber
shoes, rubber mats, or any approved insulating material.
•
ALWAYS use caution when working above 60 V dc or
30 V ac rms. Such voltages pose a shock hazard.
•
ALWAYS keep your fingers behind the finger guards
on the probes.
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