Question for swing door opener sd3108
- Does this model have a power switch on it?
- Can we use two operators to work together like one master and the other slave?
- I like this model can be debugged by the hand programmer.
- Does this model have a special battery backup?
- Does the battery function is only to maintain the operator working when power goes off or its also required to maintain programming from being erased?
Answers for sd3018:
- Yes there is a power switch on the door opener.
- Yes you can use two operators to work together. They can open and close at the same time.
- Yes it can be programmed by the hand programmer. You also watched the video on Youtube and the there is instructions in the manual.
- Yes it has a special backup battery.
- The battery is for keep operaoting when power off.