Dogtra 3500NCP Notice D'utilisation page 31

Magnetic
Switch
Receiver ON/OFF Magnetic Red Dot
To activate the receiver/collar, place the red dot on the back of the
transmitter to the red dot on the receiver/collar. Hold the two red
dots together for a moment until the LED light on the receiver/
collar comes on.
To deactivate the unit, repeat the same procedure holding the two
red dots together momentarily. The LED light will turn red for a
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Indicator Light
(LED Window)
Receiver Indicator Light (LED window)
Located on the front of the receiver/collar, the indicator light
comes on and blinks once every 4 seconds after the collar has
been turned on. The color of the LED indicates the battery life of
the receiver.
(Green = full charge, Amber = medium charge,
Red = needs charge)
When the "Constant" button on the transmitter is pushed, the
collar indicator light will glow steadily (either green, amber, or
red based on the remaining battery life), as long as you hold the
button down, for up to 12 seconds.
When the "Nick" button is pushed, the light comes on for a
fraction of a second.
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