9 wireless connection environment, Wireless connection environment -19, Good – KEYENCE BL-N90 Series User Manual
Page 39: Wireless connection environment, Obstacle
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Wireless Connection Environment
The BL-N90 and the communication unit use Bluetooth Version 1.2 for their wireless
communication.
Please use in the following environment.
z
Communication range and surrounding conditions
The BL-N90 and the communication unit have a line-of-sight range of approximately 10
meters.
However, obstacles placed between the scanner and the communication unit, such as
concrete or metal, may interrupt the wireless connection. Please use the device in an
environment free of these obstacles.
Also read the notes regarding wireless communication (
z
When the wireless connection is interrupted
The following occur when the wireless connection is interrupted:
•
The blue LED on the BL-N90 flashes
•
The blue LED on the communication unit flashes
Once a connection can be established again, the scanner and communication unit
automatically reconnect.
•
Reconnection may take between 10 to 30 seconds.
•
During this time, barcodes cannot be read. (Buzzer will sound.)
Good
Bad
Obstacle