1-39FAX-L350 Chapter 1: General Description5.4.3 SCNT board replacement precautionsBefore replacing the SCNT board, print out all of the stored data.The list which output the data that must be entered into the new SCNT board is listed below.User listOne-touch speed dialing listCoded speed dialing listGroup dialing listUser data listActivity reportService listSystem data listSystem dump listTo printout these list,see Chapter 3: 7. SERVICE REPORT on Page 3-65.The service part SCNT board uses a jumper pin to close the lithium battery’s circuit. Toprevent battery depletion during shipping, only one prong of the jumper pin is covered witha jumper plug.When replacing the SCNT board, re-attach the jumper plug so that it covers both prongs ofthe jumper pin and closes the circuit; the lithium battery can then be used for SRAM back-up.If this procedure is omitted, there will be no battery back-up for the SRAM data.After the new SCNT board is installed and the power is turned on, “DATA ERROR” will bedisplayed. Press theSet button to discard the SRAM’s irregular contents and initialize it tothe factory defaults.Then refer to the list that was printed out beforehand and enter the various data.REFERENCE
