The power for the Fire Tv is actually to control the Tv rather than the Fire Tv itself, and you can use button allocation to assign power from other devices to the Fire Tv for power control I took a video for you, hope it can help you better know how to Reassign Function https://youtu.be/HTKHJ2psmJ0

Macros can be used to control multiple devices to achieve one-click direct connection. Macros only support infrared devices but not Bluetooth devices. A maximum of 10 macros can be created for an infrared device Use key assignment to change different inputs for the device I took 2 videos for you, hope it can help you better know U1. How to Create Macro Function https://youtu.be/sohArzrBAMc how to Reassign Function https://youtu.be/HTKHJ2psmJ0

Would you please tell the Specific Model of your device? thanks :) such as: Brand:LG Model: 60UF7300 Because the remote control of each device is different, knowing the specific model of your device, we can better test and solve the problem. If the database is not complete, we can update it for better use. We can even add your Specific Model to our database so that you can one-click to add. I took a video for you, hope it can help you better know U1. https://www.youtube.com/watch?v=hMSmvxwDeI4

About your devices, we have added for you. Please remove it and add it again to get the latest database. 1) Search Brand：Sony Model：BDP-BX59 Step 1: Remove & Add it again, Enter your Brand Step 2: Click"Popular models" Step 3: You can find more buttons by using "Reassign the Key" Function. Kindly noted: * Please do not cover the place where the signal is emitted (IR device) * Keep line-of-sight (IR Devices) I took a video for you, hope it can help you better know U1. https://www.youtube.com/watch?v=hMSmvxwDeI4

1) Search Brand：TCL Model：4K Roku TV Step 1: Remove & Add it again, Enter your Brand Step 2: Click"Popular models" Step 3: You can find more buttons by using "Reassign the Key" Function. Kindly noted: * Please do not cover the place where the signal is emitted (IR device) * Keep line-of-sight (IR Devices) I took a video for you, hope it can help you better know U1. https://www.youtube.com/watch?v=hMSmvxwDeI4

I took a video for you, hope it can help you better know U1. https://www.youtube.com/watch?v=hMSmvxwDeI4

Thank you for choosing SofaBaton, all products are provided with a one-year warranty service, please contact us at sofabaton@outlook.com and provide the order number, we will arrange after-sales service for you.

Please provide the email account information you want to register and send it to SofaBaton@outlook.com. We will check and solve it for you

Currently, there is no sleep mode related control button in U1. We are very sorry for the inconvenience caused to you

I took a video for you, hope it can help you better know U1. https://www.youtube.com/watch?v=hMSmvxwDeI4