Why is my Yamaha P-121 Musical Instrument making noise?
If you're experiencing noise from the speakers or headphones of your Yamaha Musical Instrument, this might be due to interference from a nearby mobile phone. Try turning off the phone or moving it further away from the instrument.
What to do if Yamaha P-121 pedal has no effect?
If the pedal of your Yamaha Musical Instrument isn't working, make sure the pedal plug is securely inserted into the [SUSTAIN] or [PEDAL UNIT] jack, as shown on page 12.
Why is the volume low on my Yamaha P-121 Musical Instrument?
If the overall volume of your Yamaha Musical Instrument is low or you're not hearing any sound, check the following: * Ensure the Master Volume isn't set too low; adjust it to an appropriate level using the [MASTER VOLUME] slider, as described on page 11. * Make sure the digital piano’s speakers are turned on (page 23). * Verify that headphones or a conversion adapter are not connected to the headphones jack (page 11). * Confirm that Local Control is ON; refer to the 'MIDI Reference' on the website (page 8) for details.
Why does Yamaha Musical Instrument footswitch produce the opposite effect?
If the footswitch on your Yamaha Musical Instrument seems to produce the opposite effect, it might be due to reversed polarity. This can happen if the footswitch was pressed when the power was turned on. To fix this, turn off the power and turn it on again without pressing the footswitch during startup.
How to stop noise when using Yamaha Musical Instrument with iPhone/iPad/iPod?
To eliminate potential noise when using your Yamaha Musical Instrument with an iPad, iPhone, or iPod touch app, it's recommended to turn on the device's Airplane Mode.
Why doesn't the master volume slider change the headphone volume on my Yamaha Musical Instrument?
If moving the [MASTER VOLUME] slider on your Yamaha Musical Instrument doesn't change the headphone volume, check if you've set the external speaker volume to “Fixed.” If so, change it to “Variable,” as explained on page 23.
Why does my Yamaha Musical Instrument turn off suddenly?
If your Yamaha Musical Instrument turns off unexpectedly, it might be due to using an incorrect AC adapter.
Safety advice for AC adaptor usage, including warnings and cautions.
General safety warnings for the instrument, covering power supply, water, and fire hazards.
Actions to take when the instrument shows signs of malfunction.
Further precautions and important notices regarding instrument operation and care.
Lists the available documents and instructional materials for the instrument.
Lists all accessories provided with the instrument.
Overview of all buttons, sliders, jacks, and terminals on the instrument.
Instructions for connecting the AC adaptor and power.
How to turn the instrument on and set it to standby mode.
How to enable or disable the automatic power-off feature.
How to adjust the overall volume of the keyboard.
Function to adjust sound quality based on volume.
Instructions for connecting and using headphones.
Feature enhancing headphone sound realism.
How to use the sustain footswitch for natural sound.
How to enable/disable the Damper Resonance effect for piano sounds.
How to use the half-pedal feature for varied sustain.
Instructions for connecting the optional LP-1 pedal unit.
Describes the functions of the damper, sostenuto, and soft pedals.
How to select different instrument sounds using voice buttons.
Optimizing speaker sound for table or desk placement.
Making soft notes more audible for better sound.
Combining two voices for a richer sound.
Shifting pitch up or down by octave for the P-121.
Dividing the keyboard into two sections with different voices.
Enabling a two-player mode on the keyboard.
Hearing the current metronome tempo value spoken.
How to set the tempo for the metronome.
Selecting the beat or time signature for the metronome.
How to adjust the metronome volume.
Fine-tuning pitch and transposing the keyboard.
Setting reverb type/depth and touch sensitivity.
Listening to demo songs for each instrument voice.
Playing preset songs and external songs.
Specifying song playback behavior (e.g., skip rests).
Practicing individual parts (L/R) of songs.
Adjusting the volume of the rhythm accompaniment.
Setting the tempo for the rhythm accompaniment.
Recording a performance with rhythm accompaniment.
Recording left and right hand parts separately.
Deleting the entire user song or specific parts.
Changing parameters like voice, tempo, and reverb after recording.
Connect to speakers, control output, and adjust volume.
Connect smart devices and use the Smart Pianist app.
Connect the instrument to a computer via USB.
Using USB audio interface for playback and recording.
Setting audio input return to computer/device.
Transferring user songs and resetting to factory defaults.
General| Sound effects | Reverberation |
|---|---|
| Pedals quantity | 1 |
| RMS rated power | 14 W |
| Metronome tempo range | 5 - 280 bpm |
| Maximum polyphony (notes) | 192 |
| Power source type | DC |
| Power consumption (max) | 9 W |
| Headphone outputs | 2 |
| USB connector type | USB Type-B |
| Headphone connectivity | 6.3 mm |
| Keys quantity | 73 keys |
| Package depth | 407 mm |
| Package width | 1204 mm |
| Package height | 299 mm |
| Finishing | Matte |
| Product color | Black |
| Demo songs quantity | 21 |
Weight and Dimensions| Depth | 295 mm |
|---|---|
| Width | 1114 mm |
| Height | 166 mm |
| Weight | 10000 g |
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