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SAFETY PRECAUTIONS
*Before use, read the following safety precautions.
This instruction manual explains how to use your new digital multi
meter CD771. Before use, please read this manual thoroughly to
ensure correct and safe use. After reading it, keep it together with
the product for reference to it when necessary. Using this
product in ways not specified in this manual may damage its
protection function. The instructions given under the headings of
“ WARNING” and “ CAUTION” must be followed to prevent
accidental burn and electric shock.
1-1 Explanation of Warning Symbols
The meaning of the symbols used in this manual and attached to
the product is as follows:
: Very important instructions for safe use.
• The warning messages are intended to prevent accidents to
operating personnel such as burn and electric shock.
• The caution messages are intended to prevent incorrect
handling which may damage the product.
: High voltage hazard : Ground
: Direct current (DC) : Frequency
: Alternating current (AC) : Capacitor
: Resistance : 1.5 V battery
: Diode : Backlight
: Buzzer : Fuse
: Double insulation or reinforced insulation
1-2 Warning Messages for Safe Use
The following instructions are intended to prevent personal injury such as
burn and electric shock. Be sure to follow them when using the meter:
1. Never use the meter for power lines exceeding 6 kVA.
2. Voltages above 70VDC or 33Vrms AC (46.7V peak) are hazardous
to human body. Take care so as not to touch them.
3. Never input signals exceeding the maximum rated input value
(see 1-3).
4. Never use the meter for measuring voltages of lines connected to
equipment (e.g. motors) that generates induced or surge voltage
since it may exceed the maximum allowable overload input.
WARNING
7 DRAWING No. CD771 03-1101 2040 6017
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