Setting Up; Power Requirements; Connecting Headphones (Phones/Output Jack); Connecting A Footswitch (Sustain Jack) - Yamaha PSR-S550 Owner's Manual

Setting Up

Be sure to do the following operations
BEFORE turning on the power.

Power Requirements

Make sure that the [STANDBY/ON] switch of the
instrument is set to STANDBY.
• Use the specified adaptor (page 135) only. The use of other
adaptors may result in irreparable damage to both the adaptor
and the instrument.
Connect the power adaptor's DC plug to the power
supply jack.
Plug the AC adaptor into an AC outlet.
CAUTION
• Unplug the AC Power Adaptor when not using the instrument,
or during electrical storms.
10
PSR-S550 Owner's Manual
Make all necessary connections below
BEFORE turning the power on.

Connecting Headphones (PHONES/OUTPUT Jack)

The instrument speakers are automatically shut off
when a plug is inserted into this jack. The PHONES/
OUTPUT jack also functions as an external output. You
can connect the PHONES/OUTPUT jack to a keyboard
amplifier, stereo system, mixer, tape recorder, or other
line-level audio device to send the instrument's output
signal to that device.
• Avoid listening with the headphones at high volume for long peri-
• To prevent damage to the speakers, set the volume of the external
AC outlet
The sustain function lets you produce a natural sustain
as you play by pressing a footswitch. Plug the Yamaha
FC4 or FC5 footswitch into this jack and use it to switch
sustain on and off.
NOTE
• Make sure that the footswitch plug is properly connected to the SUS-
TAIN jack before turning on the power.
• Do not press the footswitch while turning the power on. Doing this
changes the recognized polarity of the footswitch, resulting in reversed
footswitch operation.
ods of time; doing so may not only result in ear fatigue, it may be
damaging to your hearing.
CAUTION
devices at the minimum setting before connecting them. Failure to
observe these cautions may result in electric shock or equipment
damage. Also, be sure to set the volumes of all devices at their
minimum levels and gradually raise the volume controls while
playing the instrument to set the desired listening level.

Connecting a Footswitch (SUSTAIN Jack)