Sometime the remote control doesn't work
Symptom
Remote control doesn’t work.
Cause
Which one is selected for output? Some models do not support simultaneous output
How to fix
The battery may run out or there may be contact problem. In this case you need to replace the battery. Be careful with the +,- position when you replace it.
It may be due to obstacles in front of the receiver. If there is any, please remove them.
