Try using "Button R1" as the value you remap to. Button R1 works as a scan trigger on the TC51.
On TC70/TC75 it is possible to install a keyConfiguration file to modify the behavior of the sidekeys.
Just go in settings and looks for keyprogrammer.
there you can modify the configuration as you like.
Then, from that screen, you can export the configuration and use the exported file in StageNow to configure all of your device.
In that case you need to use the FileManager to copy the file in the folder:
You can take a look at TC70's Integrators Guide (page 127) for additional info. You can find the guide on our support website: