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How does one retain the current date and time of day from the Date and time field of the Siemens TP170B? Everytime the TP170B is switched off, the date and time reverts back to the default setting.
I have set the date and time using the TP170B Control Panel Menu. I have also configured the date and time field to be edited.
Does the TP170B have an internal battery?
I have set the date and time using the TP170B Control Panel Menu. I have also configured the date and time field to be edited.
Does the TP170B have an internal battery?