9640A
Instruction Manual
Symbols
The following safety and electrical symbols may appear on the Instrument or in this
manual.
W
Risk of danger.
Important information. See manual.
X
Hazardous voltage. Voltage > 30 V dc or
ac peak might be present
B
AC (Alternating Current).
F
DC (Direct Current).
D
or
AC or DC (Alternating or Direct Current)
C
Y
Potentially hazardous voltage.
h
Static awareness. Static discharge can
damage part(s).
+
Power ON / OFF
1-6
J
Earth ground.
.
Protective conductor terminal
E
Capacitance.
G
Diode.
I
Fuse.
CAT
IEC 61010 Overvoltage (installation or
measurement) Category.
<
Recycle.
~
Do not dispose of this product as unsorted
municipal waste. Go to Fluke's website for recycling
information.