HT7
EN - 12
5. MAINTENANCE
5.1. GENERAL INFORMATION
This instrument is a precision device. Whether in use or in storage, please do not exceed
the specification requirements to avoid possible damages or dangers. Do not place this
instrument at high temperatures or humidity, or expose it to direct sunlight. Be sure to turn
off the instrument after use. If you expect not to use the instrument for a long time, remove
the batteries in order to avoid leakages of battery liquid that would damage the internal
parts.
5.2. BATTERY REPLACEMENT
When the display shows the low battery symbol “
”
the batteries have to be replaced.
CAUTION
Only expert and trained technicians should perform this operation. Before
carrying out this operation, make sure you have disconnected all test leads
from any energized circuit to avoid risks of electrical shock.
Fig. 8: Battery replacement
1. Unscrew the screw on the bottom of the
instrument and remove the battery cover.
2. Remove the batteries from the battery
compartment.
3. Insert new batteries of the same kind (see §
6.1.3) respecting polarity signs (see Fig. 8).
4. Restore the battery compartment cover into
place and fasten it by mean of the relevant
screw.
5. To preserve the environment do not throw
used batteries. Dispose used batteries
properly.
5.3. CLEANING
To clean the instrument use a soft dry cloth. Never use wet cloths, solvents, water, etc.
5.4. END OF LIFE
CAUTION
: this symbol on the instrument indicates that the equipment and its
accessories must be collected separately and correctly disposed of.
