Sega Master System II Manual De Instrucciones página 7

Connections
to
TV/Monitor
and Antenna
(Except
French
Model)
2.
Plug
the Switch
Box
Antenna Cable
into
the
TV.
3.
Connect
the
RF
cable
between
the
RF
Switch
Box and
the
RF
Jack
on
the
back
of the
Power
Base.
4.
Finally, set the
RF
Switch
to
"COMPUTER"
position.