Hi, I bought the Yongnuo Reciever (YNE3-RX) and Yongnuo Transmitter (YN-E3-RT) to use with my Canon 430EX-11 and my Canon 600EX-RT as slave units. Both the speedlights are linked to the transmitter. The 600EX will fire but the 430EX-11 will not. I...
