Haivision Mantaray Administrator's Manual page 28

Mantaray will test the new resolution and display a confirmation dialog:
To confirm the resolution change, select
3.
To cancel the resolution change, select
returns to its previous resolution setting.
If a resolution is selected that is not supported by the display, the screen goes
NOTE
black for 30 seconds and then returns to its previous resolution.
Mantaray Administrator's Guide, v1.0.3, Issue 01
Configuring Mantaray
.
Confirm
(or wait 30 seconds). The display
Cancel
Initial Setup
28