Our Applications & Solutions

DTMF Cue-Tone Encoder

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The Model R-103A Cue Tone Encoder is the preferred method of sending control signals over program audio or audio grade links.

Front panel pushbutton switches or external contact closures, initiate the DTMF® Cue Tone sequence. Included relays allow the Cue Tones to be placed on interrupted program audio if desired, or on a separate voice grade audio sub-carrier.

Indicator lights on the front panel verify that the tones generated are the proper sequence.
Remote indicators may be switched from screw terminals on the rear panel.


  • Programming Changes
  • East coast – West coast programming
  • Return from Blackout programming
  • Switch to local origination programming
  • Beginning and ending of daily programming
  • Beginning and ending of scrambled programming
  • Beginning and ending of local commercial avails

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