Sony ZS-M7 - Manual (Page 51)

Setting Up
51 GB
Setting Up
Insulated wire
(not supplied) Earth
To improve the MW/LW reception
Connect a 6- to 15-meter (20- to 50 feet) (not supplied)
insulated wire to the MW/LW ANTENNA terminal.
Keep the wire as horizontal as possible near the
window or outdoor. You do not need to disconnect
the supplied MW/LW loop aerial.
Important
When you use an
outdoor aerial, be sure
to connect the
y
terminal to earth
against lightning. To
prevent a gas
explosion, do not
connect the ground
wire to a gas pipe.