Electra Elite IPK Document Revision 4Programming Manual 2 - 207______________________________________________________________________________________________________________________________________________________________________1-8-01 SLT or Automated Attendant/DISA toCPU PBR SelectionGeneral DescriptionUse this Memory Block to specify whether the four Push Button Receiver (PBR)circuits in the CPUI( )-U( ) ETU are used for Single Line Telephones or AutomatedAttendant/Direct Inward System Access (DISA).DisplaySettings