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General| Brand | Yamaha |
|---|---|
| Model | PortaTone PSR-73 |
| Number of Keys | 61 |
| Voices | 100 |
| Styles | 100 |
| Effects | Reverb, Chorus |
| MIDI | No |
| Type | Portable Keyboard |
| Demo | Yes |
| Tempo Control | Yes |
| Display | LCD |
| Rhythm | 100 |
| Connections | Headphone |
| Power Supply | AC Adapter |
Guidance on optimal placement to prevent damage from environmental factors.
Instructions to avoid electromagnetic interference from other electronic devices.
Advice on protecting the instrument from physical impact and force.
Recommendations for powering off and battery removal for long-term storage.
Methods for cleaning the instrument's exterior safely and effectively.
Details on powering the PortaTone via batteries or an AC adaptor.
Instructions for connecting the optional Yamaha AC power adaptor.
Guide on inserting and handling the required 'D' size batteries.
Information on low battery indicators and replacement procedures.
Explanation of the automatic power-down feature to conserve energy.
Overview of the available external connection ports for accessories.
Instructions for connecting headphones for private practice.
Guide for connecting the instrument to external audio systems.
Instructions for attaching and using the included music stand.
Steps to power on the PortaTone and default initial settings.
How to navigate between Voice, Style, and Song operating modes.
Procedure for selecting and playing pre-recorded Songs and Jam Tracks.
Explanation of the multi-display's visual indicators for tempo and rhythm.
Details on adjusting tempo and returning to default settings.
How to choose and play different instrument sounds.
Explanation of how harmony voices are generated and interact with playing.
Process for choosing rhythm and accompaniment patterns.
Introduction to automatic chord and bass accompaniment features.
Detailed guide on generating accompaniment using chord input.
Explanation of single-finger chord input for accompaniment.
How to select between Single Finger and Fingered chord detection modes.
Description of chord recognition in Fingered mode.
How One Touch Setting automatically selects voices for styles.
Procedure for choosing and initiating playback of Songs or Jam Tracks.
Explanation of the function that mutes the melody for interactive playing.
How One Touch Setting selects voices for Songs and Jam Tracks.
Important information regarding the product's internal or household battery usage.
Guidelines for environmentally responsible disposal of the product and its components.
Regulatory information concerning FCC compliance for this electronic device.
Critical warning against unauthorized modifications that could void FCC authorization.
