Sony STR-DA5500ES Operating Instructions Manual page 43

After referring to the operating instructions of
the components connected to the receiver,
make sure to place the IR Blaster just above or
below the remote sensor. Remote sensors on
Sony Recorders and other products are
identified by the symbol.
Note
Do not remove the backing paper from the IR
Blaster yet.
After configuring the settings, remove the backing
paper from the IR Blaster and fix it in place.
43 GB