Change the batteries?
Sometimes the 3 seconds is longer that you think. Try holding a little longer 3 or 4 seconds.
TV setting
Set-up Sequence: <<1 + 3>>, <4digit brand-code>, <<Mute or Power>>
1. Press number 1and 3 for three seconds until LED is on.
2. Find your TV brand-code from the TV code list and insert 4 digit code.
- If you press “0000”, Full Automatic Scan will start. This will take a while.
3. Keep pressing Mute button (or Power) until your TV is muted (or turned off)
4. If your TV is muted (or turned off), stop pressing Mute button.
5. Now, your RCU is in test mode and press Volume + /- to check if your TV responds.
6. If the volume buttons are operational, Press <OK + STOP ( )> to escape from the set-up mode.
If your Remote is a Type I then it is not programable!