Casio IT-700/70 - Manual (Page 24)

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Using IR Data Communication
Infrared (IR) data communication can be used to pass data between two Pocket PC
Terminals, etc.
When performing IR data communication, make sure the IR port of the Pocket PC
Terminal and the other unit are directly in line with each other. The IR data
communication range is 0 (direct contact) to 1 meter (25cm for 4Mbps).
Important
• Pocket PC Terminal IR data communication uses a high-sensitivity communication
component.
• To help ensure proper data communication, avoid using cell phones and other devices
that emit radio waves in the vicinity of the Pocket PC Terminal while data
communication is taking place. The cell phone or other device should be at least
30cm from the Pocket PC Terminal.
• When performing FIR (4Mbps) data communication between units, the units should
be 0 to 10 cm or 15 to 25 cm from each other.