Dish Network DuoDVR ViP 722k User Manual page 22

The video displayed on the remote TV is always in standard definition (SD). High-
definition satellite programming can be viewed on the remote TV; however, it is down-
converted for viewing on the remote TV. The remote TV is also referred to as "TV2."
You can tell your receiver is in Dual Mode because the front panel mode indicator will light
and the menu and other screens will display Dual Mode (as shown below).
Satellite Receiver
Dual and Single Modes
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