3 Connecting an $676/677 (Gandhian) Reader to the Controller Controller nv A A +12V S676/677 Reader connections wl] i] ov connections Pr-held buzzer — {2] HELD Check that threader Data} (] G11 port switch on the controller is set to the Red Led |} {2] RED "W" position. Green LED GRN Data 0 | {6]0 Connect screen at apple Twisted pairs (use controller end only Bellmen 9504 cable). (attach to case). After wiring, re-attach the front cover and bezel.