The 148519 foot pedal with RJ11 plug must be used in conjunction with 148649 (USB Adapter) for proper operation into your computer.
To use with Dictaphone TransNet, Dictaphone Boomerang or Dictaphone STNE (Straight Talk NE) transcription software you must verify that your software has USB foot pedal capability.
Typically in the Dictaphone transcription program you will have an option for foot pedal setup.
Older versions of these programs may not be compatible.