User Guide
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Maintenance
The maintenance interval for devices with MID-conformity depends on the national re-verification
period. The calculator is to be re-verified after the end of the verification period, e.g. after 5 years in
Austria and Germany.
The backup-battery provides the internal clock in case the device is without electricity supply. This
battery is to be exchanged after 10* years. It is a button battery that is mounted with a battery holder on
the upper PCB. It can be simply exchanges by an expert (it need not be soldered)
Attention: The verification seal needs to be destroyed when the battery is exchanged. This results in
the loss of the validity of the verification.
The battery must not be charged and must be disposed according to the prevailing guidelines.
(*)
after 6 years without power supply
after 3 years -10°C storage temperature and after 1 year at -25°C respectively.
Disposal
The calculator must be disposed according to the prevailing guidelines for electrical devices.
