You can, except the selections are hodden codes;
10. Shortcuts
Backdoor mode not required, listed here for completeness.
TiVo 0 - Plays the TiVo guy boot movie
TiVo 1 - Goes to the Now Playing list. (in 2.5, goes to the Season Pass Manager)
TiVo 2 - Goes to the To Do list.
TiVo 3 - Goes to Wishlists (in 2.x+)
TiVo 4 - Goes to the "Browse By Name" screen.
TiVo 5 - Goes to the "Browse By Channel" screen in 1.3, and to "LiveTV" in 2.0. No, nobody knows why they changed it. They changed it back to "Browse by Channel" for 2.5 though.
TiVo 6 - Goes to the "Browse By Time" screen.
TiVo 7 - Goes to the "Record Time/Channel" screen (manual record).
TiVo 8 - Goes to the "TiVo's Suggestions" screen.
TiVo 9 - Goes to the "Network Showcases" screen.
TiVo TiVo - Goes to the Now Playing List (in 2.x+)
TiVo Slow (4.0 only) - Goes to "Messages and Setup"
10. Shortcuts
Backdoor mode not required, listed here for completeness.
TiVo 0 - Plays the TiVo guy boot movie
TiVo 1 - Goes to the Now Playing list. (in 2.5, goes to the Season Pass Manager)
TiVo 2 - Goes to the To Do list.
TiVo 3 - Goes to Wishlists (in 2.x+)
TiVo 4 - Goes to the "Browse By Name" screen.
TiVo 5 - Goes to the "Browse By Channel" screen in 1.3, and to "LiveTV" in 2.0. No, nobody knows why they changed it. They changed it back to "Browse by Channel" for 2.5 though.
TiVo 6 - Goes to the "Browse By Time" screen.
TiVo 7 - Goes to the "Record Time/Channel" screen (manual record).
TiVo 8 - Goes to the "TiVo's Suggestions" screen.
TiVo 9 - Goes to the "Network Showcases" screen.
TiVo TiVo - Goes to the Now Playing List (in 2.x+)
TiVo Slow (4.0 only) - Goes to "Messages and Setup"