Sony SLV-SE240G/I Operating Instructions Manual page 59

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.
Programme 1
Programme 2
Programme 1
Programme 2
will be cut off
about 20 seconds will be cut off
Checking/changing/cancelling timer settings
about 20 seconds
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