User's Manual
Unpacking 
Unpack the  unit carefully and  make sure 
that 
all 
accessories and  cables are put aside 
so 
they will 
not 
be 
lost. 
Examine the unit for any possibility of shipping damage.  If your unit 
is 
damaged or fails 
to 
operate, 
notify your dealer immediately. If your unit was shipped 
to 
you directly, notify the shipping compa-
ny 
without 
delay.  Only the consignee  (the  person  or company receiving  the unitl can file a claim 
against the  carrier for shipping  damage. 
We 
recommend 
that 
you retain the original carton and packing materials for use should you trans-
port or ship  the  unit 
in 
the future. 
Before 
applying 
power 
of 
AC 
adaptor 
Important! 
USA 
and 
Canada 
Unit shipped to the above 
are 
not equipped 
with 
an 
AC 
voltage selector switch and the 
discussion  of such  a switch that follows 
should 
be 
disregarded. 
All 
other 
countries 
AC 
adaptor shipped to countries other than 
the above 
are 
equipped with 
an 
AC 
voltage 
selector switch on the top cover. Refer to 
the following paragraph for the proper set-
ting 
of 
this switch. 
AC 
voltage selection 
AC 
adaptor  operates  on 
110-
120 
volts 
or 
220-240 
volts  AC.  Before connecting  the 
power cord to your 
AC 
outlet, make sure 
that 
the setting position of this switch matches your 
line voltage. If not, 
it 
must 
be 
set 
to 
your vol-
tage 
in 
accordance 
with 
the 
following 
direction. 
Note:---------------------------
Our warranty does not cover damage caused 
by excessive line voltage due 
to 
improper set-
ting  of the 
AC 
voltage selector switch. 
WARNING: 
TO  PREVENT  FIRE 
OR 
ELECTRIC 
SHOCK, 
DO 
NOT 
EXPOSE 
THIS 
APPLIANCE TO RAIN 
OR 
MOISTURE. 
2  DX-7 
Move 
switch 
lever 
to 
match 
your 
line voltage 
with 
a small 
screwdriver 
or 
other 
pointed 
tool. 
AC 
voltage selector 
switch 
Fig. 1 
Before plugging in 
this 
unit, 
make sure 
that 
the 
position 
of 
the 
AC 
Voltage 
Selector 
conforms 
to 
your 
line (mains) 
voltage. 
If 
not, 
it 
must 
be reset.  See 
Fig.  1. 
WARNING NOTICE: 
IN 
MOST 
CASES 
IT 
IS 
AN  INFRINGEMENT 
OF 
COPYRIGHT 
TO 
MAKE 
COPIES 
OF 
TAPES 
OR 
DISCS  WITHOUT THE 
PER-
MISSION 
OF 
THE COPYRIGHT OWNERS. 
ANYONE WISHING 
TO 
COpy 
COMMER-
CIALLY  AVAILABLE  TAPES 
OR 
DISCS 
SHOULD  CONTACT  THE  MECHANICAL 
COPYRIGHT  PROTECTION  SOCIETY 
LIMITED 
OR 
THE PERFORMING RIGHTS 
SOCIETY LIMITED. 










