Yolink YS4909-UC Installation & User Manual page 38

Control-D2D Device-to-Device
V
Pairing, Continued
Pairing
1. To configure a Water Leak Sensor 1 as a con-
troller, press and hold the leak sensor's SET
button for 5-10 seconds, until the LED quickly
blinks green, then release the button.
2. To configure the Valve Controller 1 as a
responder, first ensure that the valve or Bulldog
is in the closed position. Press and hold the
controller's SET button for 5-10 seconds until
the LED quickly blinks green, then release the
button.
Upon pairing, the LED will stop blinking. This
may happen after only blinking two or three
times.
SET Button
(5-10 seconds)
SET Button
(5-10 seconds)
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