Alphasmart NEO2 SmartApplet Методическое пособие - Страница 17
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Печатать страницуrecorded as long as the device is within the range of the receiver
(up to 150 feet).
What radio technology does 2Know! use?
2Know! operates in the public 2.4 GHz band, the frequency
used by WiFi, Bluetooth, and other wireless devices. The system
uses standard IEEE 802.15.4 modulation and communication
protocols to avoid interference with other devices operating in
the same area.
Will the system hop to an open channel?
Renaissance Receivers and responders include logic to select a
clear channel from the 15 available channels when the
Renaissance Receiver is started.
How does the Renaissance Receiver handle
interference?
The system uses Direct Sequence Spread Spectrum (DSSS) in
addition to Carrier Sense Multiple Access with Collision
Avoidance (CSMA-CA) in order to communicate when other
wireless devices are near.
Will the radio frequency ( RF) technology of 2Know!
interfere with my wireless network?
No. The system is designed to work in a "noisy" environment
without interfering with other wireless technology.
Do the NEO 2 laptops have an automatic shut-off
feature?
Yes. In most SmartApplets, NEO 2 will shut off after 4 minutes
of inactivity. In the Responder SmartApplet, it will shut off after
30 minutes of inactivity, and in the Accelerated Reader
SmartApplet, it will shut off after 10 minutes of inactivity.
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