KEYENCE BL-N90 Series - Manual (Page 38)

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2-8 Checking the Connected Pair
In locations where there are multiple BL-N90, the connected pairs must be verified. For
example, this function can be used when you are unsure which BL-N90 is connected to
which communication unit.
z
Checking the connected pair
After establishing a connection between the BL-N90 and the communication unit, press
the page button on the communication unit.
The BL-N90 acts as follows.
• All of the LED flash simultaneously .
• The buzzer sounds continuously .
z
Ending verification
Press the page button on the communication unit again to stop the buzzer and LED
flashing on the BL-N90.
Note
After establishing a connection between the BL-N90 and the communication unit, the
blue LED lights up.
Page button
Repeat