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Phenomenon: Cannot communicate with the projector. (Wireless network) (continued)
3. INFRASTRUCTURE
Item to be checked
Is firewall or packet filtering set in
an access point, etc.?
Is the wireless network to
connect encrypted?
Is signal strength of wireless
network displayed in the SSID
SCAN LIST menu weak?
Is the same network address set
for wireless LAN and wired LAN
of the projector?
Phenomenon: Cannot use wireless LAN and wired LAN at the same time.
Item to be checked
Is the same network address set
for wireless LAN and wired LAN
of the projector?
Are you trying to access to
different network via a router?
Solutions
Consult with your network administrator.
Set the encryption settings of the projector
again and reconnect.
• Put the projector close to the wireless device.
• When the projector is near the steel door,
the radio wave may not reach to the wireless
device. In that case, keep the projector away
from the door.
• Consult with your network administrator
because there may be an interfering wireless
device.
The same network address cannot be used
for wireless LAN and wired LAN. Set different
network address for wireless LAN and wired
LAN.
Solutions
The same network address cannot be used
for wireless LAN and wired LAN. Set different
network address for wireless LAN and wired
LAN.
Either wired LAN or wireless LAN can access
to different network.
Set default gateway of either wired LAN or
wireless LAN to 0.0.0.0.
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9. Troubleshooting
QM00973-1
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