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Dimensions of ETC 12 / 14 / 24:
Lithium battery exchange:
The Lithium battery is used for the real time clock, to keep the time, when ETC power is down.
The configuration of the ETC is stored in a non-volatile memory. So no risk, to lose configuration,
when Lithium battery is down.
The battery can be easily changed. It is on a socket. Type of battery: CR2032.
You have to remove the front cover with 4 screws, then remove the core board with 2 screws (pos.
23) (PCB with display, pos. 3) and you will reach the battery on the back side of this PCB (pos. 7).
