Yamaha Pro Yamaha P115B 业主指南

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页码 56
Setting Up
P-115  Owner’s Manual
11
To enable the Auto Power Off function:
While holding down [METRONOME/RHYTHM] and 
[PIANIST STYLE] simultaneously, press the A
#-1 
key.
When you start playing, use the [MASTER VOL-
UME] to adjust the volume of the entire keyboard 
sound. 
Intelligent Acoustic Control (IAC)
With this function, the sound quality of this instru-
ment is automatically adjusted and controlled accord-
ing to the overall volume. Even when the volume is 
low, you can hear both low sounds and high sounds 
clearly. 
To turn on/off the IAC: 
While holding down [METRONOME/RHYTHM] 
and [PIANIST STYLE] simultaneously, press the 
G3 key to turn on or G
#3 to turn off. 
Default setting:
 on
To adjust the IAC Depth: 
While holding down [METRONOME/RHYTHM] 
and [PIANIST STYLE] simultaneously, press the 
E3 key to decrease by one, F
#3 to increase by one, 
or F3 to reset to 0 (default).  
Setting range:
 -3 – 0 – +3
Because of the simple, piano-like design of this instru-
ment, there are a minimum of panel controls, and 
most settings are made using the keys of the keyboard. 
When you turn a function on or off, or change a set-
ting, the instrument produces a sound to confirm the 
change. There are three types of sounds used: an 
ascending sound for on, a descending sound for off, 
and clicks for other settings. For the list of functions 
assigned to the buttons and keys, see “Quick Opera-
tion Guide” on page 28, 29.
Setting the Operation Confirmation Sounds 
On or Off
You can enable or disable the Operation Confirmation 
Sounds as desired. 
While holding [DEMO/SONG], press the A-1 key. 
Every time you press the A-1 key, the setting is 
switched on or off. 
Default setting:
 on
Since this instrument is equipped with two 
[PHONES] jacks, you can connect two sets of stan-
dard stereo headphones. If you are using only one set 
of headphones, insert a plug into either jack, shutting 
off the speakers.
• If your digital piano is connected to other equipment such 
as amplifiers, speakers, or a computer but you do not 
intend to use it for 30 minutes, we recommend that you 
turn off all devices as described in their owner’s manuals. 
Doing so eliminates the risk of damage to the other equip-
ment. If you do not want the instrument to turn off auto-
matically when connected to other equipment, disable the 
Auto Power Off function.
Setting the Volume
A
#-1
NOTICE
Louder
Softer
Setting the Operation Confirmation 
Sounds
Using Headphones
• To protect your hearing, avoid listening with the head-
phones at a high volume level for long periods of time.
E3
F
#3 (+1)
G
#3 (IAC off)
G3 (IAC on)
E3 (-1)
F3 (0)
A-1
Standard stereo 
phone plug
CAUTION