DirecTV HR20 User Manual page 61

Changing a Record Option
Some live events and even a few TV shows run past their allotted time
slot. Your DVR is very smart, but it sets up all recordings based on the
start and stop times the broadcasters give us for the program guide.
If you are watching while recording and you think your show might go
into the next time slot, press INFO on the remote, then select "More
Info" and "Recording" from the onscreen choices to see the recording
options for that show. Once there you can change the stop time or any
other option. To save your changes select "Save Changes" (for Standard-
Definition DVRs, select "Update.")
If your show is set to record in the future, you can find it in the guide
or To Do list, then press INFO to display the Info screen. To change a
recording option for that one show, select "Episode Options" and choose
whichever option or options you want to change. If you want to change a
recording option for every show in the series, select "Series Options" and
then choose the options you want to change.
Stopping an In-progress Recording
If you press the RECORD button a second time on a single show (like
a movie), an onscreen message will appear giving you the choice to
"Keep Recording," "Change Recording Options, or "Stop Recording."
On a Standard-Definition DVR, the options are "Cancel This" and "Don't
Cancel." This is an easy way to cancel a recording.
Recording a Single Show
Recordings
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