Beyonwiz DP-S1 - Manual (Page 54)

STB & PVR Function
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2) Duplication When a New Timer Sets
As explained before, the DP-S1 can record two programs simultaneously.
Therefore you can not add a new timer to record three programs at the
same time. If this occurs, a pop-up list is displayed to show the list of
duplicated timers if a new timer is entered as a duplication.
In order to add a new timer when duplication occurs, please delete one
group of timers displayed in the duplication timer list. If you don’t want
to delete all of the previously set timers, please reorganize (delete
some of the previously set timers) the previous set timers and make
sure they don’t duplicate to a new timer. Press the EXIT button to
cancel adding a new timer and reorganize the timers in the timer list.