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Before You Play
Connecting the Pedal Cord
Connect the pedal cord to the Pedal jack on the rear
panel of DP990F, at the rear.
924
Plug the pedal cord all the way into the Pedal jack.
Connecting the AC Adaptor
Check before you connect the AC Adaptor.
• Make sure that the [Power] switch is off (p. 18).
• Make sure that the [Volume] slider is minimized (p.
19).
1.
Connect the supplied AC adaptor and power
cord.
Place the AC adaptor so the side with the indicator
(see illustration) faces upwards and the side with
textual information faces downwards.
The indicator will light when you plug the AC
adaptor into an AC outlet.
2.
Connect the AC adaptor to the DC In jack on
the rear panel.
Take care not to pull the cord with excessive force,
or strain it. Doing so may damage or break the
cord.
3.
Plug the Power cord into a power outlet.
If necessary, secure the AC adaptor cord with the cord
clamps (leaflet: Assembling the DP990F).
Be sure to use only the AC adaptor supplied with
the unit. Also, make sure the line voltage at the
installation matches the input voltage specified on
the AC adaptor’s body. Other AC adaptors may
use a different polarity, or be designed for a
different voltage, so their use could result in
damage, malfunction, or electric shock.
* Depending on the circumstances of a particular setup,
you may experience a discomforting sensation, or
perceive that the surface feels gritty to the touch
when you touch this device or the metal portions of
other equipment connected to it. This is due to an
infinitesimal electrical charge, which is absolutely
harmless. However, if you are concerned about this,
connect the ground terminal (see figure) with an
external ground. When the unit is grounded, a slight
hum may occur, depending on the particulars of your
installation. If you are unsure of the connection
method, contact the nearest Roland Service Center, or
an authorized Roland distributor, as listed on the
“Information” page.
Unsuitable places for connection
• Water pipes (may result in shock or electrocution)
• Gas pipes (may result in fire or explosion)
• Telephone-line ground or lightning rod (may be
dangerous in the event of lightning)
Getting Ready to Play
Indicator
AC Outlet
Power Cord
AC Adaptor
DP990F_e.book 16 ページ ２０１０年１月１４日 木曜日 午後１１時２９分