Windows 10 1703
Intel i5 3570K 3.4Ghz
Nvidia GTX 1060 6GB
**Short description of error**
Audio Pan doesn't function at all in the VSE.
I've imported Mono audio.
I've selected the Mono checkmark option.
I switch the user preferences audio to Mono.
I've selected Mono in the audio section of the Scene Tab.
I even tried caching the audio.
**Exact steps for others to reproduce the error**
1) Import an MP4 video into the VSE.
2) Right click on Audio to select.
3) Press N to show strip options
4) Pan the Audio from -1 to +1