Panasonic KX-MB2060 - Manual (Page 113)

Display Cause & Solution
“Requires subscription
to Caller ID.” R You must subscribe to a Caller ID service. Once you receive caller
information after subscribing to a Caller ID service, this message will not be
displayed.
“Use rechargeable
battery.” R A wrong type of battery such as Alkaline or Manganese was inserted. Use
only the rechargeable Ni-MH battery noted on page 7.
For assistance, please visit http://www.panasonic.com/help 113
14. Help