How can i put RC in default settings?

[lotar]

trying to use my tv with the RC of my solo2 I lost de volume keys and mute
I need to put the RC with the defaults settings but i dont know how.
thanks

[Sicilian]

Try turning off HDMI CEC.

[Rob van der Does]

Reset of TV Set-up on VU R/C:
In case you want to reset the configured TV set-up of your RCU,
Press Sequence: <<1 + 6>>, <9>, <9>, <6>

1. Press 1 and 6 for three seconds until LED is on.
2. Press <9>, <9>, <6>.
3. This will reverse the RCU into no configuration state.