It is a remote control for a Toshiba tv. It controls among other tv's, the Toshiba 42wl58p.
How to program a DVD player with a Toshiba Television
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You cannot program a Direct TV receiver with this remote. The Toshiba TV this was designed for was introduced before the Direct TV HD systems came out. This remote does not control any model of DVR. If you want to control both of these with one remote, get a Logitech Harmony remote.
you dont. go get a remote
There is no way to change the input without a remote :(.
That could vary greatly depending on what model of Toshiba TV you have. The link below is to Toshiba's web site where you can get product support as well as replacement owner's manuals, etc.
The button just above green square on the bottom of remote.
Most of the codes from Toshiba are identical or will work for the Fluid TV.
I just used a Zenith code 1255 for my Toshiba HDTV and it worked! Good Luck!