Emerson Radio ES20 - Manual (Page 6)

5
POWER SOURCE
This system is designed to operate on 120V AC 60Hz house current only.
Connecting this system to any other power source may cause damage to the
system and such damage is not covered by your warranty.
NOTE: The system has polarized AC plug with one wide blade and one narrow
blade. The plug will only fit into matching polarized AC outlets. This is a safety
feature to reduce the possibility of electric shock. If the plug will not fit in your AC
outlets, you probably have outdated
non-polarized outlet. You should
have your outdated outlet changed
by a qualified, licensed electrician.
Do not file the wide blade on the plug,
or use an adapter to make the plug
fit into your outlet. This defeats the
safety feature and could expose you to electric shock.
MAIN POWER SWITCH
IMPORTANT: The main power switch is located on the back of the Amplifier/
Subwoofer unit. This switch must be ‘ON’ for the system to operate. The main
power switch should be left in the ‘ON” position at all times. The only time you
should set this switch back to the ‘OFF’ position is if you will not be using the
system for an extended period of time – for example, two weeks or longer. The
remote controller cannot operate the system if main power switch is in the ‘OFF’
position.
AC Plug
AC Outlet
R L
ON
OFF
MAIN SWITCH
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