User manual - A257_M256_UsersGuide
46
Supported Operations during Projection over a USB connection
The operations described in the table below are supported on the CASIO USB Display window during 
projection.
To do this: Perform this operation:
Start (resume) computer screen projection
Click .
Freeze computer screen projection
Click .
Stop computer screen projection and project the USB 
display standby screen
Click .
Start audio output from a computer*
1
*
3
Click  . On the menu that appears, select “Audio 
Out” so there is a check mark next to it.
Mute audio output from a computer*
1
*
3
Click  . On the menu that appears, select “Audio 
Out” to remove the check mark next to it.
Output the computer’s main screen on the projection 
screen
Click  . On the menu that appears, select “Select the 
Projection Screen” 3 “Main Screen”.
Output the computer’s extended screen on the 
projection screen*
2
*
3
Click  . On the menu that appears, select “Select the 
Projection Screen” 3 “Extended Screen”.
Minimize the CASIO USB Display window Click  .
Exit the CASIO USB Display window (1) Click  . Or you could click   and then click 
“Exit” on the menu that appears.
(2) On the confirmation dialog box that appears, click 
the [OK] button.
z This stops computer screen projection and 
projects the USB Display standby screen.
Display CASIO USB Display version information Click  . On the menu that appears, select “About”.
*1 In the case of Windows XP, which does not support audio level mixer functions, a driver must be 
installed to enable these functions. See “Add-on Driver Software for Windows” (page 44).
*2 This operation is disabled under Mac OS 10.6. With Windows XP and Windows Vista, installation of 
driver software is required to enable these functions. See “Add-on Driver Software for Windows” 
(page 44).
*3 With Mac, installation of driver software is required to enable these functions. See “Add-on Driver 
Software for Mac OS” (page 45).










