Xenon/Granit User Guide 81
Communication Between the Cordless System
and the Host
The cordless scanner provides immediate feedback in the form of a “good read”
indication with a green LED on the scanner and an audible beep. This indicates
that the bar code has been scanned correctly and the base has acknowledged
receiving the data. This is possible since the cordless system provides two-way
communication between the scanner and the base.
When data is scanned, the data is sent to the host system via the base. The cordless
scanner recognizes data acknowledgment (ACK) from the base. If it cannot be
determined that the data has been properly sent to the base, the scanner issues an
error indication. You must then check to see if the scanned data was received by
the host system.
1. Scanner reads code and gets ACK from base.
2. Base sends data to host.
Program the Scanner and Base
When using the scanner and charge base together as a system, menu parameters
and configuration settings are stored in the charge base. Therefore, when pro-
gramming any menu configuration settings, the scanner must be linked to the
charge base.
Note: This only applies when the scanner is linked to a charge base. If the scanner is in a
non-base mode, configuration settings are stored in the scanner.
RF (Radio Frequency) Module Operation
The cordless system uses a two-way, low energy, Bluetooth® radio to transmit and
receive data between the scanner and the base. It provides single-point to single-
point communication. The radio operates using a license free ISM band, which
sends relatively small data packets at a fast data rate over a radio signal with ran-
domly changing frequencies, makes the cordless system highly responsive to a
wide variety of data collection applications and resistant to noisy RF environments.
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