Using Ac Power; Connecting Headphones; Listening Safely - Optimus MD-1200 Owner's Manual

42-4041.fm Page 8 Tuesday, August 3, 1999 6:56 AM

Using AC Power

You can power your MD-1200 from
standard AC power using a 9-volt AC
adapter (not supplied) and a Size M
Adaptaplug.
Cautions:
You must use a Class 2
!
power source that supplies
9 volts DC and delivers at
least 800 mA. Its center tip must be
set to negative and its plug must fit
the MD-1200's
DC 9V
adapter that does not meet these
specifications could damage the
MD-1200 or the adapter.
• Always press
POWER
keyboard before you connect or dis-
connect the adapter.
• Always plug the AC adapter into the
MD-1200 before you plug it into the
AC outlet. Always unplug the AC
adapter from the AC outlet before
you unplug it from the MD-1200.
Follow these steps to power your MD-
1200 from AC power.
1. Insert the adapter's barrel plug into
the jack on the back of the
DC 9V
MD-1200.
2. Plug the adapter into a standard AC
outlet.
8
CONNECTING
HEADPHONES
To listen to your MD-1200 without dis-
turbing others, you can connect a pair of
1 / -inch (6.35-mm) plug stereo head-
4
phones (not supplied). Your local Ra-
dioShack store sells a wide selection of
headphones.
To connect a pair of headphones, insert
the headphones'
into the
jack. Using an back of the keyboard.
to turn off the
Note: Connecting headphones discon-
nects the MD-1200's built-in speakers.

Listening Safely

To protect your hearing, follow these
guidelines when you use headphones.
• Set the volume to the lowest setting
• Do not listen at extremely high vol-
1 / -inch (6.35-mm) plug
4
PHONES/OUTPUT
before you begin listening. After you
begin listening, adjust the volume to
a comfortable level.
ume levels. Extended high-volume
listening can lead to permanent
hearing loss.
jack on the