Introduction and Specifications
Safety Information 1
1-7
Symbols
The following safety and electrical symbols may be used on the Calibrator or in this
manual.
Symbol Description Symbol Description
W
Risk of danger.
Important information. See manual.
OI
Power ON / OFF
X
Hazardous voltage. Voltage > 30 V
dc or ac peak might be present.
J
Earth ground.
B
AC (alternating current).
E
Capacitance.
F
DC (direct current).
G
Diode.
q
Laser caution.
D
or
C
AC or DC (alternating or direct
current).
*
Warning. Laser.
R
Continuity test or continuity beeper
tone.
I
Fuse.
H
Digital signal.
:
Warning. Hot or burn hazard.
Y
Potentially hazardous voltage.
CAT
Overvoltage (installation or measurement)
Category.
S
Brightness / contrast adjustment
Q
Display backlight
T
Double insulated.
<
Recycle.
h
Static awareness. Static discharge
can damage part(s).
~
Do not dispose of this product as unsorted
municipal waste. Contact Fluke or a qualified
recycler for disposal.
j
Do not connect to public network
(e.g., telephone system.)
U
Maintenance or Service.
M
Battery or battery compartment.
Low battery when shown on
display.
}
Tone or beep.