Casio YW2L - Manual (Page 46)

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Whenever you experience problems with the wireless LAN connection between the Data
Projector and the computer, check the following points first.
Check the following on the computer.
• Is a wireless LAN utility other than Wireless Connection 2 running?
If so, shut down the other utility.
Check the following on the Data Projector.
• Is the same connection profile selected on the computer and on the Data
Projector?
Wireless LAN connection is not possible when different connection profiles are selected
on the computer and the Data Projector (such as “Manual Connection 1” on the
computer and “Simple Connection 1” on the Data Projector). Make sure the same
connection profile is selected on both.
Also check the following.
• Are the Data Projector and computer too far apart or are they separated by a wall
or other barrier?
Try moving the Data Projector and computer so they are closer to each other.
• Is a microwave oven or a Bluetooth device being used nearby?
Operation of a device that uses the 2.4 GHz frequency band (which is the same
frequency band as the IEEE802.11b wireless standard used by the Data Projector) in the
vicinity of the Data Projector can cause radio interference, resulting in a wireless
communication error. Avoid using the nearby microwave oven or Bluetooth device when
performing Data Projector wireless LAN communication.
If the above countermeasures do not resolve your problem, try the following depending on
the problem you are experiencing.
Wireless LAN Connection Troubleshooting