Acer CB273U User Manual page 33

10. Quick start mode: Select Off or On. Turn on to speed up boot speed.
11. USB Port Select:Select the USB Port from B-Type and C-Type.
12. USB 3.0: Default is "Off".You can choose "On",when resolution support 2560x1440-
170Hz.(DP ALT only).
13. Select Power-off USB charge ON/OFF to enable/disable Power-off USB charge
function.