RK-300 - Musical instrument ROLAND - Free user manual and instructions
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| Type | Digital Piano |
| Model | RK-300 |
| Keyboard | 88 keys (PHA-4 Standard with Escapement) |
| Touch Sensitivity | 5 types, fixed touch |
| Sound Source | SuperNATURAL Piano |
| Maximum Polyphony | 256 voices |
| Tones | 307 tones (including 8 drum kits, 1 SFX set) |
| Reverb | 8 types |
| Chorus | 8 types |
| Master Tuning | 415.3–466.2 Hz (adjustable in 0.1 Hz steps) |
| Built-in Songs | 60 songs (Listed Song Book) |
| Metronome | Yes (adjustable tempo, beat, volume) |
| Pedals | 3 (Damper, Sostenuto, Soft) with half-pedal recognition |
| Display | Graphics LCD 128 x 64 dots |
| Connectors | DC In, USB Computer (Type B), USB Memory (Type A), Phones (Stereo 1/4", Stereo 1/8"), Audio Out (L/Mono, R), Audio In (Stereo Mini), MIDI (In/Out) |
| Power Supply | AC adaptor (PSB-100U, included) |
| Power Consumption | 11 W |
| Dimensions (W x D x H) | 1,370 x 410 x 860 mm |
| Weight | 45.0 kg (excluding music rest and AC adaptor) |
| Includes | Owner's Manual, Leaflet "USING THE UNIT SAFELY", AC Adaptor, Power Cord, Music Rest, Headphone Hook |
| Accessories (sold separately) | Stand (KS-20Z), Pedal Unit (DP-10), Headphones (RH-5, RH-300) |
| Maintenance | Clean with a soft, dry cloth; avoid solvents |
| Storage Temperature | -20 to 60 °C |
| Repairability | Serviceable by authorized Roland centers; replaceable key sensors and mainboard |
Frequently Asked Questions - RK-300 ROLAND
How do I connect the Roland RK-300 to a computer?
Use a USB cable to connect the USB Computer port on the rear panel to your computer. The RK-300 acts as a MIDI device and requires no driver on most systems. Ensure the instrument is turned on before launching your DAW.
Can I use headphones with the RK-300?
Yes, the RK-300 has two headphone jacks: a 1/4" and a 1/8" stereo mini jack. Plugging in headphones automatically mutes the internal speakers. Use the Phones ports on the front left side.
How do I change the touch sensitivity?
Press the Function button, then use the +/- buttons to select 'Key Touch'. Choose from 5 fixed sensitivity levels or 'Fixed' for constant volume. Press Enter to confirm.
Is the Roland RK-300 compatible with damper pedals from other brands?
Yes, the pedal input accepts standard 1/4" TS footswitches. However, for half-pedal functionality, use a compatible pedal like the Roland DP-10. Basic on/off pedals work but without half-pedal support.
How do I play demo songs on the RK-300?
Press the Song button, then use the +/- to select among the 60 built-in songs. Press Play/Pause to start. You can also adjust the tempo with the Metronome button.
What type of AC adaptor does the RK-300 use?
It uses the Roland PSB-100U AC adaptor (included). Input: 100-240 V, 50/60 Hz. Output: 12 V, 1 A. Do not use other adaptors as they may damage the instrument.
How do I clean the Roland RK-300?
Unplug the power before cleaning. Use a soft, dry cloth to wipe the cabinet and keys. For stubborn dirt, slightly dampen the cloth with water. Do not use solvents, alcohol, or abrasive cleaners.
Can I layer two sounds on the RK-300?
Yes, press the Layer button (often labeled 'Dual') and select a second tone. Adjust volume balance using the Function menu under 'Dual Balance'. To exit, press the Layer button again.
Why is there no sound from the speakers?
Check that the volume knob is turned up and no headphones are plugged in. Also ensure the Local Control is ON (under Function menu). If using a headphone adaptor, make sure it is fully inserted.
How do I restore factory settings on the RK-300?
Turn off the power, then hold down the Function button while turning the power back on. Press Yes when prompted 'Factory Reset?'. All user data will be erased. Backup important songs first using USB memory.
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