Cidco inc caller id box - model # JA-25A-18
When a call is received it will automatically set the time and date. To change the display contrast hold down the 'delete' button while toggling one of the other buttons. Hold the delete button down until the 'select,mem,mode' is displayed and choose between '25 name & number' or '64 numbers' . Make sure the batteries are good and the batt indicator in top left corner of display is off. I think that is all the features this early model unit was capable of.
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