Christie LWU620i User Manual page 131

Issues that may be easy to be mistaken for machine defects (continued)
Issue
No image is
displayed via
SDI.
(LWU720i/
LHD720i only).
No image is
displayed via
DIsplayPort.
NETWORK
BRIDGE
function does
not work.
Schedule
function does
not work.
(continued on next page)
LWU720i/LHD720i/LWU620i
User's Manual - Operating Guide
Cases not involving a machine defect
Check if it is connected with a cable of 5CFB or greater,
or Belden 1694A or greater.
Check if a cable with a length of 100m or less is used.
Try to change the cable.
Check if a supported signal format is input.
Check if DisplayPort cables conforming to the
DisplayPort standard is used for connection.
When the projector is connected to the computer with
an early type of chipset or graphics card that supports
the DisplayPort, the projector and/or computer may not
operate normally.
The problem may be solved by upgrading the driver of
graphic accelerator of the computer to the latest version.
Turn off the projector and the external device, and turn
on again.
Check if the supported signal format is input.
The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE
item in the OPTION - SERVICE - COMMUNICATION
menu.
The POWER SAVE function is working.
Select NORMAL for STANDBY MODE item in the
SETUP menu.
The internal clock has been reset.
Once you turn off the projector in the POWER SAVE
mode or the AC power, the current date and time setting
is reset.
Check the DATE AND TIME setting for WIRELESS
SETUP or WIRED SETUP in the NETWORK menu.
129
Troubleshooting
Reference
page
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020-001279-01 Rev. 1 (10-2017)