400 Series
EN - 63
10. MAINTENANCE
10.1. GENERAL
The instrument you purchased is a precision instrument. When using and storing it, please
observe the recommendations listed in this manual in order to prevent any possible
damage or danger. Do not use the instrument in environments with high humidity levels or
high temperatures. Do not directly expose it to sunlight. Always switch off the instrument
after using it. Should the instrument remain unused for a long time, remove batteries in
order to prevent liquids from leaking out of them, and the instrument internal circuits from
being damaged
10.2. BATTERY REPLACEMENT
When the low battery symbol appears on the LCD display (§ 11.3) it is necessary to
replace the batteries.
CAUTION
This operation must be carried out by skilled technicians only. Before
carrying out this operation, make sure that all cables have been removed
from the input leads.
1. Swicth off the instrument by pressing and holding the ON key
2. Remove the cables from the input leads
3. Unscrew the cover fastening screw from the battery compartment and remove it
4. Remove all the batteries from the battery compartment and replace with new batteries
of the same type only (§ 11.3) making sure to respect the indicated polarities
5. Restore the battery compartment cover into place and fasten it by mean of the relevant
screw
6. Do not disperse the used batteries into the environment. Use relevant containers for
disposal
10.3. INSTRUMENT CLEANING
Use a dry and soft cloth to clean the instrument. Never use wet cloths, solvents, water, etc.
10.4. END OF LIFE
CAUTION: this symbol indicates that the equipment and its accessories must be
collected separately and disposed of in the right way.
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