BenQ DV2050 - Manual (Page 26)

Using the Remote Control 18
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Adding/Deleting Sequential Channels
Using the Sleep Timer
The CH+/- button allows you to alter the channels appearing in
the Sequential Channel change memory.
When AUTO PROGRAM (see "TV Menu"on page 25) is
complete use the CH+/- button to remove unwanted channels
that may have been detected. The CH+/- button can also be used
to add additional channels to the sequential channel memory.
Press the SLEEP button on your remote control to start setting
the automatic sleep timer. Press the SLEEP button several times
to adjust the time in increments of 30 minutes, from 0 to 180
minutes.