E Maintenance guide_rev1.3en
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3.3 Maintenance of the display
The operating time of the front panel LCD is about 5000 operating hours. Depending on the
usage of the display, after a certain time the brightness decreases, the readability gets worse.
This functionality is advised to be checked. With normal usage of the display the readability
can be tested.
If the readability of the display does not meet the requirements, please contact the supplier to
perform the exchange of the display.
The supplier can be contacted in the following link:
http://buy.protecta.hu/support/?language=English
3.4 Maintenance of the optical data communication
The sender
– receiver units of the optical data communication can get weaker, and depending
on the applied components they cannot transmit information with the required power.
Accordingly, in certain time periods the state of this unit is advised to be checked by a
qualified expert or by the manufacturer.
In case of problems, please contact the supplier in the following link:
http://buy.protecta.hu/support/?language=English
3.5 Maintenance of the batteries
The members of the E product line made by Protecta do not contain single-use of
rechargeable batteries.
