
Your Audio/Video Line Transmitter and Line Receiver
Figure 2 and Table 2 define the switches on the underside of the TP-9: 
Figure 2: TP-9  Audio/Video Line Transmitter Underside
Table 2: TP-9  Audio/Video Line Transmitter Underside Features
#  | Feature | 
  | Function  | 
1  | VIDEO Input Selector  | CV  | Set to CV to transmit composite video  | 
  | Switch  | Y/C  | Set to Y/C to transmit   | 
2  | AUDIO Input Selector  | S/PDIF  | Set to S/PDIF to transmit digital audio  | 
  | Switch  | ANALOG  | Set to ANALOG to transmit analog audio  | 
6  | KRAMER: SIMPLE CREATIVE TECHNOLOGY  |