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93
T
roubleshooting
Troubleshooting
Unable to transfer images or an error occurs with communication
\ Check that the connection type is surely selected as you intend.
\ Check that the image size is 1280
\ Check that the image size is 1280
× 1024 or lower.
In case of cable communications (RS-232C and LAN)
\ Check whether the transmission speed set at “Projector Setting”or
“Scan Setting” is the same as the transmission speed set at
“RS-232C” on the projector’s OSD menu.
“RS-232C” on the projector’s OSD menu.
\ Make sure that the settings of the RS-232C port on the PC are as
follows:
Data length: 8 bits
Parity bit: None
Stop bit: 1 bit
Flow control: None
Parity bit: None
Stop bit: 1 bit
Flow control: None
\ Check that the port for the RS-232C serial cable or LAN cable is
correctly specified in the PC’s settings.
\ Check that the cable is correctly and securely connected (
page 10
).
\ Check that the “Video Wall Setting” is not being used.
In case of infrared communications (IrCOM)
\ Check that the infrared ports (the projector and the PC) are within
1 meter (3 ft.) distance and keep the vertical and horizontal range
within 30 degrees.
within 30 degrees.
\ Check that there are no obstacles between the projector and the PC.
\ Avoid using this function under strong lighting conditions.
\ Avoid using this function under strong lighting conditions.
Strong light sources such as sunlight or fluorescent lighting may
interfere with image transmissions.
interfere with image transmissions.
\ Check that the projector is in the IrCOM mode before transferring
images from the PC. (See the projector operation manual.)
The On-screen Display “IrCOM stand by” or “IrCOM stand by,
Waiting for Data” will appear on the projection screen.
The On-screen Display “IrCOM stand by” or “IrCOM stand by,
Waiting for Data” will appear on the projection screen.
\ Check that your PC’s IrDA port is activated and configured properly.
Check the PC’s instruction manual.
\ Check the “Connection Type” in Single Projector Setting (
page 30
).
\ Confirm that the port for infrared communications is correctly
specified in the PC’s settings.
\ For Windows 95 users: Check that Microsoft’s IrDA 2.0 (Infrared
Driver) is installed (
page 9
).
\ Check that the display mode is appropriate for the images. (Normal
transfer: 24 bit color or less; “Startup Image” transfer: 256 colors for
BMP files)
BMP files)
\ Infrared communications (IrCOM) cannot be used with Windows
NT4.0 Workstation, Me, 2000 Professional, XP Home or Professional
Edition.
Edition.
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