Optoma ZU720TST User Manual page 72

ADDITIONAL INFORMATION
Abnormal HDMI image
Select " OSD menu  Display  HDMI 1 EDID/ HDMI 2 EDID/ HDMI 3 EDID" to "1.4" or "2.2".
‡
Blurry double image
‡ Make sure " OSD menu  3D  3D Tech." is not on to avoid normal 2D image appear blurry double
image.
Two images, side-by-side format
‡ Set the " OSD menu  3D  "3D Format" to "SBS".
Other problems
The projector stops responding to all controls
‡ If possible, turn off the projector, then unplug the power cord and wait at least 20 seconds before
reconnecting power.
Remote control problems
If the remote control does not work
‡ Check the operating angle of the remote control is pointed within ±15° to the IR receiver on the
projector.
‡ Make sure batteries are inserted correctly.
‡ Try to operate the remote control by pointing it to the projected image.
‡ Charge battery if it is exhausted.
72 English