... : learning typeWorking mode: non lock, interlocking, self-locking( adjusted by jumper hat)Maximum load: 7ASize 49 * 69 * 20MMUSER MANUAL KL-K400C ... & S2 program the sequence as follows: S1→ self-lockingS2→ interlockingNo Jumper on S1 &S2→ Unlocking4. WiringOn the back of receiver board ... off, the same as B/C/D.Extend function:(When jumper is off position) press A on the transmitter, receiver A ...