Yes, the Memcom needs to be reconfigured back to default as audio settings would have been adjusted when using the COP accessory.

Method: Press 1 > Settings/accessory > COP Accessory press # to Untick then keep pressing star until exit programming

Previous programming method (this will work on all Memcom devices)

  1. *1234# (access code)
  2. Use the UP arrow and proceed to number *23 (Volume)
  3. Type 5 followed by # (this will overwrite number)
  4. Use the UP Arrow to *26 (H/W opt)
  5. Type 12 followed by #
  6. Press # then *01# (exit programming)