Chapter 6 Maintenance — Troubleshooting
ENGLISH - 287
Problems Points to be checked Page
Image output from
DisplayPort of the
computer does not appear.
f If connecting the projector to a computer that uses an early-type chipset or graphics
card compatible with DisplayPort, the projector or computer may not be operated
properly.
313
f The graphics accelerator driver of the computer may need to be updated to the
latest version.
―
f Turn the power of the projector and the external device off and on. ―
f Is a signal which is not compatible with the projector being input? 313
Lens shift cannot be
adjusted.
f Perform [LENS CALIBRATION]. 85
f Is the Fixed-focus Lens (Model No.: ET-D3LEW50, ET-D75LE50) attached? ―
Cannot control the
projector with Art-Net.
f Are the connections between the twisted-pair-cable transmitter and an external
device, and between the twisted-pair-cable transmitter and projector correctly done?
―
f Is [Art-Net SETUP] set to other than [OFF]? 223
f Are [NET], [SUB NET], [UNIVERSE], and [START ADDRESS] set correctly? 223
The DIGITAL LINK input
image is not displayed.
f Is the cable compatible to the condition of the projector used? 64
f Are the connections between the twisted-pair-cable transmitter and the projector or
an external device correctly done?
―
f Is [DIGITAL LINK MODE] set to [AUTO], [DIGITAL LINK], or [LONG REACH]? Is it
set to [ETHERNET]?
214
f Is a signal which is not compatible with a twisted-pair-cable transmitter being input? ―
Cannot switch to the input
of the Interface Board.
f Is the Interface Board correctly installed in the slot? 321
Attention
f If problems persist even after checking the preceding points, consult your dealer.