SMART MX Series - The pens and erasers arent working as expected; iQ apps arent working as expected

Chapter 3
Connecting computers and other devices
smarttech.com/kb/171555 45
You can connect an external audio system to the display using the stereo 3.5mm out connector (pictured).
This disables the display’s internal speakers. Alternatively, you can connect an external audio system
directly to a room computer.
SMART Board MX (V3) series SMART Board MX (V2 and V2-C)
series
SMART Board MX series
In addition to the stereo 3.5 mm out connector, the display provides a Sony/Philips Digital Interface (S/PDIF)
out connector (pictured). S/PDIF is a digital audio transmission medium. You need an audio system that has
an S/PDIF input to decode this connection to analog. Most external sound bars include a S/PDIF connector.
SMART Board MX (V3) series SMART Board MX (V2 and V2-C)
series