User Manual

2-10
2
Connections
2-5 Wireless communication environment
Bluetooth Version 1.2 is used for the wireless communication between HR-51 and the com-
munication unit HR-UC51. Use in the following environment.
■ Communication distance and surrounding environment
HR-51 and the communication unit HR-UC51 can communicate wirelessly within the
range of approx. 10 m.
However, the wireless communication is interrupted if obstacles such as concrete and a
metal exist. Use in environments with no obstacles.
Read “Cautions for wireless communication”. ( page 4)
■ Operations when the wireless communication is interrupted
If the communication is cut, the following operations result.
• The operation status LED of HR-51 lights red once and the buzzer sounds.
• The operation status LED ➂ of communication unit HR-UC51 blinks.
When wireless communication becomes available, the setting is automatically restored
according to the setting contents of automatic reconnecting operation.
If connection fails within the automatic reconnecting operation period, make connection
again using either of the methods below.
• Read “Connection-ON barcode”.
• Read the readable barcode when “Automatic connection after reading the barcode”
is “Enable”.
• When “Connection on/cut by pressing down the trigger key” is “Enable”, press down
the trigger key for the set time for “Trigger key pressing-down time: Connection ON”.
• Read the BD address of HR-UC51.
Note
If the BD address of UR-UC51 has not been registered on HR-51, read the BD address
of HR-UC51 before connection.
Obstacle