moS RC - 3 buttons missing

[john3voltas]

Greetings.
Today I was controlling my HDP-R1 using the web remote controller that comes with moS and I noticed that there are 3 buttons missing.
I can't find the "music-note" button, the "mode" button and the "display" button.
Is this by design?
Any way I could invoke these functions remotely, through the web gui?
Also, I would like to have a way to remotely eject the an external DVD drive attached to the HDP-R1.
Cheers