I use my '920 for digital modes, but I use a Signalink USB for sound. It makes life easier for me. If interested, the Signalink sound settings are these:
Computer Sound Settings
At the Signalink USB Front Panel
TX – 12 o’clock position
RX – 12 o’clock position
DLY – fully counterclockwise
At your computer, right click the speaker icon
Click Sounds
Playback Tab
Signalink USB Audio Codec (Default)
Properties – Levels – 0.0dB
Enhancements – Check ‘Disable All Enhancements’
Advanced – 16 bit 44100 Hz (CD Quality)
Exclusive Mode – Both checked
Recording Tab
Signalink USB Audio Codec (Default)
Properties – Levels – Positive number as close to zero
Advanced – 1 channel, 16 bit, 44100Hz, (CD Quality)
Exclusive Mode – Both Checked
Sounds Tab – Sound Scheme – No Sounds
Communications Tab – Do Nothing