Application
This function is only working with Windows PC/Laptop which is designed with and has PgUP and PgDn keys. HDMI (designed with MHL function) and USB Mini-B connection are required from the projector to your Windows PC/Laptop.
Split screen functionality works with InstaShow Button and AirPlay.
Specification
The maximum distance supported by the wired remote control is 10 meters.
Further Query
Please check the following settings to correct this issue.
This function is only working with Windows PC/Laptop which is designed with and has PgUP and PgDn keys. HDMI (designed with MHL function) and USB Mini-B connection are required from the projector to your Windows PC/Laptop.
Split screen functionality works with InstaShow Button and AirPlay.