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CONNECTING A PA INTERFACE BOX
The OmniTouch 4135 IP can be connected to an external PA system using a PA 
interface box.
  Connect the PA-box to the AUX port on OmniTouch 4135 IP with the included 
cable. 
  Connect the external amplier to the RCA connector marked with a speaker.
  Connect the microphone mixer to the RCA connector marked with a microphone. 
Changing the auxilary port setting 
 Select Settings > Basic. 
 Select PA under the heading Auxilary port to aktivate the functions for external 
microphones and speaker system. 
  Click on Save. 
HEADSET AND PA INSTALLATION AND SETTINGS
AUX port
PA interface box
To amplier/speakersTo mixer/microphone2.5 m connection cable
Always disconnect the power supply (Ether-
net cable when using PoE or AC adaper if 
used) before disconnecting or connecting 
equipment to the OmniTouch 4135 IP.