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Before Using the Instrument
P-155 Owner’s Manual
ENGLISH
10
Before Using the Instrument
Tu r ning the Power On
1. Connect the power adaptor’s DC cable to
the [DC IN 16V] jack.
2. Plug the AC adaptor into an AC outlet.
WARNING
Use the specified adaptor (PA-301, PA-300B or an equivalent recom-
mended by Yamaha) only. The use of other adaptors may result in
irreparable damage to both the adaptor and the Instrument.
CAUTION
Unplug the AC Power Adaptor when not using the Instrument, or
during electrical storms.
3. Press the [STANDBY/ON] switch to turn the power on.
The display located in the center of the front panel lights up.
When you’re ready to turn off the power, press the [STANDBY/ON] switch again.
CAUTION
Even when the instrument is turned off, electricity is still flowing to the instrument at the minimum level. When you are
not using the instrument for a long time, make sure you unplug the AC power adaptor from the wall AC outlet.
Setting the Volume
Initially set the [MASTER VOLUME] dial about halfway between the
“MIN” and “MAX” settings. Then, when you start playing, re-adjust the
[MASTER VOLUME] dial to the most comfortable listening level.
TERMINOLOGY
MASTER VOLUME:
The volume level of the entire keyboard sound
(The shape of plug differs
depending on locale.)
Display
Normally indicates tempo.
[STANDBY/ON] switch
The level
increases.
The level
decreases.