Learning method: Hold down the first road learning key, the indicator starts flashing after two seconds, then release the learning key and press any key on the remote control; if it does not receive the valid signal within 15 seconds the program will automatically exit learning state, learning LED is off, the second way to learn the same way as the first.
Removal method: Press learning key for 5 seconds and hold until the indicator from bright to off, Note: Clear is clear all the way, all empty then every once roads are cleared.