Using Ac Power; Using Vehicle Battery Power - Optimus Concertmate 975 Owner's Manual

42-4036.fm Page 6 Thursday, August 12, 1999 8:20 AM

Using AC Power

You can power your keyboard from
standard AC power using an optional
9-volt AC adapter (such as Ra-
dioShack Cat. No. 273-1656).
Cautions:
• You must use an AC adapter that
supplies 9 volts and delivers at
least 800 mA. Its center tip must
be set to negative and its plug
must fit the keyboard's
jack. The recommended adapter
meets these specifications. Using
an adapter that does not meet
these specifications could dam-
age the keyboard or the adapter.
• Always plug the AC adapter into
the keyboard before you plug it
into the AC outlet. Always unplug
the AC adapter from the AC out-
let before you unplug it from the
keyboard.
• Be sure
POWER/MODE
before you connect or dis-
OFF
connect the adapter.
Follow these steps to connect an AC
adapter to the keyboard.
1. Connect the AC adapter's 5.5
mm outer diameter/2.1 mm inner
diameter barrel plug to the
jack on the back of the keyboard.
6
2. Plug the AC adapter's other end
into a standard AC outlet.

Using Vehicle Battery Power

You can power your keyboard from
your vehicle's cigarette-lighter socket
with an optional 9-volt DC adapter
(such as RadioShack Cat. No. 273-
1815).
Cautions:
DC 9V
• You must use a DC adapter that
supplies 9 volts and delivers at
least 800 mA. Its center tip must
be set to negative and its plug
must fit the keyboard's
jack. Using an adapter that does
not meet these specifications
could damage the keyboard or
the adapter.
• Always plug the DC adapter into
the keyboard before you plug it
into the cigarette-lighter socket.
is set to
Always unplug the DC adapter
from the cigarette-lighter socket
before you unplug it from the key-
board.
• Be sure
before you connect or dis-
OFF
connect the adapter.
Follow these steps to connect a DC
adapter to the keyboard.
DC 9V
DC 9V
is set to
POWER/MODE