In modern ILX-MavCam firmware, these are automatically set when launched. So, no need to manually change them
Set user/password authentication via this guide here
Go to Menu -> Cnct./PC Remote -> Remote Shoot Setting,
Set Still Img. Save Dest to Camera Only
Settings Already Automatically Set by the program:
Shutter Speed, Aperture, Exposure Comp, ISO, Drive Mode, Shoot Mode, Focus Mode, Focus Area
Everything highlighted in this photo is automatically set by the IFT-ILX-MavCam program: