USER’S MANUAL. TV EXPLORER II/II+
12/2013
Page
11
En
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lis
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2
SAFETY RULES
2.1
General safety rules
*
The safety could not be assured if the instructions for use are not closely
followed.
*
Use this equipment connected
only to systems with their negative of
measurement connected to ground potential
.
*
The
AL-103
external DC charger is a
Class I
equipment, for safety reasons plug it
to a supply line with the corresponding
ground terminal
.
*
This equipment can be used in
Overvoltage Category I
installations and
Pollution Degree 2
environments.
External DC charger can be used in
Overvoltage Category II
, installation and
Pollution Degree 1
environments
.
*
When using some of the following accessories
use only the specified ones
to
ensure safety.
Rechargeable battery
External DC charger
Car lighter charger cable
Power cord
*
Observe all
specified ratings
both of supply and measurement.
*
Remember that voltages higher than
70 V DC
or
33 V AC rms
are dangerous.
*
Use this instrument under the
specified environmental conditions
.
*
When using the power adaptor, the
negative of measurement
is at ground
potential.
*
Do not obstruct the ventilation system
of the instrument.
*
Use for the signal inputs/outputs, specially when working with high levels,
appropriate low radiation cables.
*
Follow the
cleaning instructions
described in the Maintenance paragraph.
