ERP-FT Processor Coin Style Battery
What is the coin style battery on the back of the Processor used for?
This battery does not have any bearing on the configuration of the processor. The processor has a built in Astronomical time clock function that is disabled by default. If enabled, the battery simple holds correct time while the processor may be powered down.
This battery is a model CR 2032 coin style battery. It is installed with the negative pole (-) against the metal retaining clip. This battery can be source locally in any number of retail locations.