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6. MAINTENANCE
6.1.
GENERAL INFORMATION
1. The instrument you purchased is a precision instrument. While using and storing the
instrument, carefully observe the recommendations listed in this manual in order to
prevent possible damage or danger during use.
2. Do not use the instrument in environments with high humidity levels or high
temperatures. Do not expose to direct sunlight.
3. Always switch off the instrument after use. In case the instrument is not to be used for
a long time, remove the batteries to avoid liquid leaks that could damage the
instrument's internal circuits.
6.2.
RECHARGING THE INTERNAL BATTERY
When the LCD displays the symbol " ", it is necessary to recharge the internal battery.
Only expert and trained technicians should perform maintenance
operations.
1. Switch off the instrument using the
2. Connect the battery charger to the 230V/50Hz electric mains.
3. Insert the red cable of the charger into terminal Loop and the black cable into terminal
COM. The instrument switch on the backlight in fixed mode and the charging process
start
4. The charging process is finished when the backlight is blinking at display. This
operation have a duration time of approx. 4 hours
5. Disconnect the battery charger at the end of the operation.
• The Li-ION battery must always be recharged whenever the instrument is
used, in order not to shorten its duration. The instrument may also operate
with a 1x9V alkaline battery type IEC 6F22. Do not connect the battery
charger to the instrument when it is supplied by an alkaline battery.
• Immediately disconnect the cable from the electrical mains in case of
overheating of instrument parts during battery recharge
• If the battery voltage is too low (<5V), the backlight may not switch on. Still
continue the process in the same way
6.3.
CLEANING THE INSTRUMENT
Use a soft and dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc.
6.4.
END OF LIFE
CAUTION: this symbol found on the instrument indicates that the appliance, its
accessories and the battery must be collected separately and correctly disposed
of.
CAUTION
key
CAUTION
EN - 14
HT8051
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