User's Manual

2-18
2
First Steps
2-8 Wireless Connection Environment
The BL-N90/N90K and the communication unit use Bluetooth Version 1.2 for their wireless
communication. Please use in the following environment.
b Transmission range and surrounding conditions
The BL-N90/N90K and the communication unit have a line-of-sight range of approximately
10 meters.
However, obstacles placed between the BL-N90/N90K 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 ( Page 3).
b When the wireless connection is interrupted
The following occur when the wireless connection is interrupted:
• The blue LED on the BL-N90/N90K flashes
.
• The blue LED on the communication unit flashes.
Once a connection can be established again, the BL-N90/N90K and communication unit
automatically reconnect.
• Reconnection may take between 10 to 30 seconds.
• During this time, barcodes cannot be read.
(A low-pitched beep will sound twice.)
Good
Obstacle
Bad