HIFI WALKER H20 Pro Hi-Res Audio Player User Manual

1. Product Overview

The HIFI WALKER H20 Pro is a portable Hi-Res Audio Player designed to deliver high-quality audio playback with advanced features like dual DACs, Bluetooth 5.1, and expandable memory. This manual provides detailed instructions for its use and maintenance.

HIFI WALKER H20 Pro Hi-Res Audio Player

2. Package Contents

Please check the box for the following items:

• H20 Pro Hi-Res Audio Player
• USB Type C Cable: Connects the device to a computer or charges the device.
• Micro SD Card (128GB): Used to store and access songs on the player, providing necessary storage space.
• User Manual: Provides instructions and guidelines on how to operate the device.
• Velvet Bag: Used to protect the player from scratches and dust, and to provide convenient portability.

H20 Pro and included accessories

3. Device Layout and Controls

3.1 H20 Pro at a Glance

Familiarize yourself with the physical components and controls of your H20 Pro player:

• Volume knob: Adjusts the audio output volume.
• Power/Lock button: Turns the device on/off and locks/unlocks the screen.
• Power indicator light: Indicates power status (blue when on).
• Previous track/Rewind button: Navigates to the previous track or rewinds the current track.
• Play/Pause button: Plays or pauses audio playback.
• Next track/Fast forward button: Navigates to the next track or fast forwards the current track.
• TF card slot: For inserting a Micro SD card to expand storage.
• 4.4mm Balanced Earphone Jack: For balanced audio output.
• 3.5mm Earphone Jack: For single-ended audio output.
• Charging/USB DAC/Coaxial/File Transfer Port (USB Type-C): Multi-functional port for charging, connecting as a USB DAC, digital coaxial output, and file transfer.

Audio output and multi-function ports

4. Setup and Basic Operation

4.1 Power On/Off

1. To turn on: Press and hold the Power button for 3 seconds. The blue power indicator will light up.
2. To turn off: While the device is on, press and hold the Power button for 3 seconds. A shutdown logo will appear, and the blue indicator will turn off.

4.2 Charging the Device

Ensure the battery is sufficiently charged for normal operation. When the battery is low, the device will prompt and automatically shut down.

1. Via Adapter: Connect the USB Type-C cable to a 5V 1000mA power adapter (national standards compliant) and then to the player's USB (Type-C) port. A full charge takes approximately 3 hours.
2. Via Computer USB: Connect the provided USB Type-C cable to your computer's USB port and then to the player's USB (Type-C) port.

4.3 Inserting/Removing TF Card

• To insert: Gently push the TF card into the slot until it clicks and locks in place.
• To remove: Push the TF card inward until it clicks, then release. The card will partially eject for removal.

Note: It is recommended to use Class 10 or higher speed TF cards for smooth music playback.

Expandable memory via Micro SD card

4.4 Connecting to a Computer

1. Turn on the H20 Pro and your PC.
2. Connect the device to your PC using the USB Type-C cable.

The device can function in two modes when connected:

• Media Device (USB Drive): For transferring files (music, e-books) between your PC and the H20 Pro.
• DAC Input: To use the H20 Pro as a decoding headphone amplifier, allowing you to listen to music from your PC through the device.

Data Cable Note: For charging and data transfer, use the provided data cable. For main devices with a USB-C port, use a double USB-C OTG cable; otherwise, normal use cannot be guaranteed.

5. Operating Instructions

5.1 Button Lock

• To lock: While the player is on, press the Power/Lock button for 1 second.
• To unlock: Quickly press the Power/Lock button again, or configure different buttons for unlocking in the system settings.

5.2 Playback Interface

From the "ALL" or "Favorites" menu screens, swipe right on the screen to access the Now Playing interface. The status bar at the top displays volume, output status, Bluetooth/WiFi status, antenna signal, time, battery level, and gain status (L for low, H for high).

Below the status bar is the song name. To the left, an icon allows you to return to the playlist. To the right, an icon provides quick access to MSEB settings for style adjustment.

Clicking the album cover displays lyrics (if available). The lower section shows song duration, progress bar, audio format, and sample rate. You can add songs to "Favorites", skip tracks, play/pause, select repeat modes, add to playlists, view audio/album info, access EQ, and delete songs.

5.3 Main Menu Navigation

The main interface is divided into four primary functions:

• Music: Access your music library.
• Favorites: Manage your favorite songs and playlists.
• Play Settings: Configure playback options.
• System Settings: Adjust device settings.

5.4 Music Interface

• All: Displays the complete list of songs on the storage card. Songs are sorted alphabetically.
• Folders: Browse music files by folder structure on the TF card.
• OTG: Access and play files from an external OTG USB drive.
• Albums, Artists, Genres: Songs are automatically categorized after scanning.

5.5 Play Settings

• MSEB: Pre-set or customize the tone.
• Equalizer: Adjust settings for various music genres (Rock, Classical, Jazz, Pop, Dance, Vocal, Melancholic, Metal).
• Play Mode: Choose between Play Playlist, Loop Track, Shuttle (random), and Loop List.
• Output Selection: Select Headphone Output (3.5mm jack) or Line Out (LO) for the 3.5mm jack.
• DSD Output Mode: For SPDIF or USB DAC OUT, choose DoP (DSD over PCM) or Native (DSD bitstream output).
• DSD Gain Compensation: Adjusts gain level for DSD audio.
• Resume Play from: Options include None, Track, or Position.
• Gapless Playback: Minimizes pauses between tracks.
• Max Digital Volume Output: Controls whether SPDIF/USB DAC output volumes are adjustable or fixed at maximum.
• Maximum Volume Limit: Sets a cap on the maximum volume (e.g., 80 out of 100).
• Default Power-On Volume: Sets the volume level upon power-on or uses the last-used volume.
• Crossfade: Fades tracks in and out for smoother transitions.
• Gain: Select L (low-impedance) or H (high-impedance) for headphones.
• Replay Gain: Automatically adjusts volume across tracks/albums for consistent loudness.
• Digital Filter: Fine-tune sound characteristics with High-pass (Low Latency/Phase Compensation) or Low-pass (Low Latency/Phase Compensation) filters.
• Play through Folders/Album: Controls continuous playback across folders or albums.

5.6 System Settings

• Language: Choose from English, German, Italian, French, or Spanish.
• Update Database: Refresh your music library.
• Scan Mode: Automatic or manual music scanning.
• Wireless Settings: Configure Bluetooth (pairing, audio quality, volume) and WiFi (network connection, internet radio, song transfer).
• HiBy-Link: Control the device via the HiBy Music app on your phone (Bluetooth connection required).
• E-books: Scan, display, manage (favorites, folders, recent reads) TXT documents.
• Display Settings: Backlight Brightness, Backlight Time, Font Size, Screen Saver.
• USB Mode: Select Storage (USB drive), Audio (USB DAC), or Dock (charging only).
• Key Operation: Screen-off Key Operation, Double Tap to Wakeup.
• Time Settings: Set device time.
• Power Management: Idle Time (auto shutdown), Sleep Timer (auto shutdown during playback), Battery Percentage Display.
• Factory Reset: Restore default settings.
• Firmware Upgrade: Update device firmware.
• About: View software version, storage, and manufacturer information.

6. Specifications

Note: Audio specifications are for reference only and may vary slightly due to electronic components. Refer to the actual product for precise specifications.

7. Maintenance

7.1 General Care

• Keep the device dry. Avoid exposure to moisture or liquids.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the device in the provided velvet bag to protect it from scratches and dust.
• Avoid extreme temperatures.

7.2 Firmware Upgrade

To upgrade the firmware:

1. Download the firmware package from the official HIFI WALKER website.
2. Copy the downloaded file to the root directory of your TF card.
3. Ensure the device has at least 30% battery charge before starting the upgrade to prevent failure.
4. Navigate to System Settings > Firmware Upgrade and follow the on-screen instructions.

8. Troubleshooting

• Device unresponsive/frozen: Hold the Power/Lock button for 10 seconds until the blue indicator turns off, then restart the device.
• Low battery: Charge the device promptly using a compatible 5V 1000mA adapter or computer USB.
• TF card not recognized or music playback issues: Ensure the TF card is Class 10 or higher speed. Reinsert the card or try a different compatible card. Update the music database via System Settings.
• Audio file compatibility: For optimal performance, use audio files within the specified ranges (e.g., APE/FLAC up to 192KHz/24bit). Files exceeding these specifications may have playback issues.
• USB connection issues: Use the provided USB Type-C cable. For main devices with a USB-C port, a double USB-C OTG cable might be required for certain functions.

9. User Tips

• Optimize Sound: Experiment with the MSEB and Equalizer settings to find your preferred audio profile.
• Line Out Usage: When using the 3.5mm jack as Line Out (LO), ensure the volume is set to maximum on the device for proper signal output to external amplifiers. Do not connect headphones in LO mode.
• Expand Storage: The device supports TF cards up to 512GB, allowing you to store a vast music library.
• E-book Functionality: Utilize the e-book reader for TXT files, making it a versatile portable device.
• Wireless Convenience: Leverage Bi-Directional Bluetooth 5.1 for high-quality wireless audio with headphones or speakers, and HiBy-Link for remote control via your smartphone.

10. Support and Contact

For further assistance or inquiries, please contact HIFI WALKER support:

• Email: support@hifiwalker.com
• Website: www.hifiwalker.com
• Official User Manual (PDF): A detailed user manual is also available in PDF format. You can access it via this link: HIFI WALKER H20 Pro User Manual (PDF)