HT HT22D Manual De Instrucciones página 25

The below symbols are used on the instrument:
CAUTION: keep to what described by the manual. An
incorrect use could damage the instrument or its
components
Double insulation
DC Voltage or Current
AC Voltage or Current
Ground reference
CAUTION: this symbol indicates that equipment and its
accessories shall be subject to a separate collection
and correct disposal
1.1. DURING USE
Always keep to the instructions contained in this manual:
•
Before activating the rotary switch, disconnect the test leads
from the circuit being measured.
•
When the instrument is connected to the circuit being measured,
do not touch any unused terminal.
•
Do not measure resistance in case external voltages are present;
even if the instrument is protected, an excessive voltage may
cause malfunction.
•
In case the lack of indication of the presence of voltage may
represent a danger for the operator, always carry out a continuity
measurement before carrying out the measurement on the live
system, to confirm the correct connection and condition of the
leads.
•
Do not perform any test under environmental conditions
exceeding the limits indicated in § 7.2
•
While measuring, if the value or the sign of the quantity being
measured remain unchanged, check if the HOLD function is
enabled.
Failure to comply with the caution notes and/or
instructions may damage the instrument and/or its
components or be a source of danger for the operator
1.2. AFTER USE
•
When measurement is complete, set the rotary switch to OFF to
turn off the instrument
•
If the instrument is not to be used for a long time, remove the
batteries
25
CAUTION
HT22D