PRG Mbox Remote Manual 3.9 - Manual (Page 39)

MBOX ® REMOTE USER MANUAL 33
Multihead Setup
First, connect the multihead adapter to the computer and confirm that the computer sees the adapter and that you
are able to output the desired resolution from the desktop. If the desktop can't run at the desired resolution, then
Mbox can't either. (Some devices may need additional software to tell the computer what to do or to reprogram the
EDID in the device.)
Next, determine the resolution that needs to be sent to the multihead adapter. In the case of a dualhead adapter doing
a double 1920x1080 output, that will be 3840x1080. In Mbox, go to the Setup tab and select the "Custom" fullscreen
mode and enter 3840 in the width field and 1080 in the height field. Make sure the frequency is set to something that
the multihead adapter supports.
If all the settings are correct, Mbox will output the desired resolution. In Window mode, the window will now be the
same aspect ratio as the Fullscreen output (32:9 in the case of 3840x1080). Unless content has been specifically
created at the fullscreen resolution it will have to be scaled up to fill the entire output.
In Mbox Remote, on the Projection Editor window, select the Identity that matches the output of the Mbox server,
press the Configure button and select the Dual Head option and add an overlap (in screen pixels).
The Projection Editor window will now show the
settings for Output 1 of 2 (the left side) or Output 2
of 2 (the right side) depending on the selection in
the pop-up. Note that the size of each output is the
same and that both share the same sized Context
and Sample Width and Height. But note that each
output has a unique Origin X. This is so that the
image is located properly, both for the left and right
halves of the image, but also for the overlap
between the two outputs. Also, if you entered an
overlap, a vignette will have been created with an
amount on both halves equal to the overlap
amount.