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3.3 Bluetooth Interface Board
Bluetooth status LED
Status LED
USB connector
CAUTION
When using this interface board as a USB interface, do not connect USB cables to both the main
unit side and interface board side.
If USB cables are connected to both, priority will be given to communication of the one con-
nected to the connector on the main unit side.
Status
Description
LED Status
Detection
standby
(Discoverable)
Standing by for
detection and
connection
Connection
standby
(Connectable)
Standing by for
connection
iOS connection Data session un-
opened
Communicat-
ing
iOS: data session
opened
Other OS: connec-
tion established and
communication in
progress
Error
Error or settings be-
ing configured
Unlit
Pairing operation
You need to perform the operations below the first time you establish a Bluetooth con
-
nection for Bluetooth data communication.
1. Detect Bluetooth devices
2. Configure pairing settings
