• Always use clamp-on probes (dc current clamps) when
measuring current exceeding 10 A.
• DO NOT connect thermocouple to voltages exceeding 30 V.
• Always use a high voltage probe to measure voltage if peak
voltage might exceed 300 V.
• To avoid false readings, which could lead to possible electric
shock or personal injury, replace the meter’s battery as soon as
the low battery indicator (N) appears.
• To avoid fire hazard, only use a fuse identical in type, voltage
rating, and current rating to that specified on the fuse rating label
located on the case bottom.
• Do not operate the meter if it is disassembled. Always operate the
meter with the case top and bottom properly assembled.
Disassembly procedures and warnings are in the 78 Automotive
Service Manual. Service procedures are for qualified personnel
only.
Caution
To avoid possible damage to the meter or to equipment under
test:
• Disconnect the power to the circuit under test and discharge all
high voltage capacitors before testing resistance, continuity or
diodes.
• Use the proper function and range for your measurement
applications.
• When measuring current, turn off circuit power before connecting
the meter in the circuit. Remember to place the meter in series
with the current.
Symbols
Symbol Meaning
Important information. See manual.
Ground
Fuse
Double insulation (Protection Class II)
Conforms to European Union directives
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