Press and hold the frequency key(car select) for about 2 seconds and the indicator will flash.
Model:JR1930RX-3-24V,JR1930RX-2-24V(The two are compatible),It is incompatible with the model JR1930RXZ-24V.
The frequency key in the initial use and of batteries need to operate once.
Hotline: 0966299399
