Sony CAV-M1000ES Installation Manual page 16

Installing the Main Unit
If you install the Main Unit in a closed cabinet, attach two
small boxer fans in the cabinet to provide continuous
ventilation.
Boxer fan (55 CFM)
centered 7 inches
(177.8 mm) on top of
the Main Unit
Note
Attach boxer fans also if you connect low-impedance speakers
(less than 8 ohms nominal).
16 US
Boxer fan (55 CFM)
centered 2 inches
(50.8 mm) behind the
Main Unit
Installing the RF Antenna
Mount the RF Antenna in an appropriate place in the
room where the RF Remote Control is to be used.
For details on how to make the connection, refer to "RF
Antenna hookup" on page 18.
Horizontal position
Vertical position