Sony SLV-X827MN Operating Instructions Manual page 42

Checking/changing/cancelling timer settings (continued)
When the timer settings overlap
The programme that starts first has priority and the second programme
starts recording only after the first programme has finished. If the
programmes start at the same time, the programme listed first in the menu
has priority.
42
Additional Operations
Programme 1
Programme 2
Will be cut off
Programme 1
Programme 2
20 seconds
20 seconds will be cut off
SLV-X827MN 3-858-297-11 (1)