这类问题源于无线连接频率变更!
下面是Chamberlain (LiftMaster, Craftsman)公司各时期使用的频段和编码方式。
Dates System Color of programming button and LED on unit Color of LED on remote*
1984–1993 8-12 Dip Switch on 300-400 MHz white, gray, or yellow button with red LED red
1993–1997 Billion Code on 390 MHz green button with green or red LED green
1997–2005 Security+ (rolling code) on 390 MHz orange or red button with amber LED[4] amber or none
2005–present Security+ (rolling code) on 315 MHz purple button with amber LED none
2011–present Security+ 2.0 (rolling code) on 310, 315, and 390 MHz yellow button with amber LED and yellow antenna wires red or blue
下面是Genie公司各时期使用的频段和编码方式。
Dates System
1985–1995 12 DIP Switch on 390 MHz
1995–2005 Intellicode/CodeDodger (rolling code) on 390 MHz
2005–present Intellicode/CodeDodger (rolling code) on 315 MHz
2011–present Intellicode 2/CodeDodger 2 (rolling code) on 315 and 390 MHz