Sony LBT-DR4 Operating Instructions Manual page 44

Connecting outdoor antennas
(continued)
AM antenna
Connect a 6 to 15 meter (20 to 50 feet)
insulated wire to the AM antenna terminal.
Leave the supplied AM loop antenna
connected.
Except for European models
Insulated wire (not supplied)
For European models
Insulated wire (not supplied)
Important
If you connect an outdoor antenna, connect a
ground wire to the y terminal with the screw
clamp. To prevent a gas explosion, do not
connect the ground wire to a gas pipe.
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