HIFI WALKER H20 Ultra HiFi MP3 Player User Manual

1. ആമുഖം

1.1 ഉൽപ്പന്ന ഹൈലൈറ്റുകൾ

• Precision-machined aerospace-grade aluminum body
• 3.97" HD wide-angle LCD (480×800)
• ES9038Q2M DAC chip with 4-channel amp: 3.5mm & 4.4mm outputs
• 2V (SE) / 4V (Balanced) strong output power
• Full touch control + physical buttons for easy blind operation
• FPGA decoding for native DSD playback
• 32bit/192kHz studio-grade audio, supports multiple formats
• USB DAC function supported
• LINE OUT & SPDIF digital output
• 3000mAh battery for long playtime
• Fast charging: full in 3 hours
• ALPS knob for precise volume control

1.2 പാക്കേജ് ഉള്ളടക്കം

The package includes the following items. Contents may be changed without prior notice to improve performance or quality.

• H20 Ultra Player
• USB-C Data Cable: For connecting to a computer or charging the device.
• Micro SD Card: Stores songs and provides storage for the player.
• User Manual: Offers operating instructions and customer support.
• Velvet Storage Bag: Protects the player from scratches and dust, and is easy to carry.

Image: H20 Ultra Player, USB-C Data Cable, Micro SD Card, Velvet Storage Bag, and User Manual.

2. H20 Ultra at a Glance

Familiarize yourself with the physical components and controls of your H20 Ultra player.

ചിത്രം: വശം view of H20 Ultra highlighting the Precision ALPS Volume Knob and physical control buttons.

ചിത്രം: മുകളിൽ view of H20 Ultra showing the 4.4mm Balanced and 3.5mm Single-Ended headphone jacks.

2.1 Physical Controls and Ports

• LCD: 4-inch full touchscreen display.
• വോളിയം നോബ്: Precision ALPS rotary knob for smooth and accurate volume control.
• പവർ ഓൺ/ഓഫ് ബട്ടൺ: Also functions as a screen lock button.
• Previous Song/Fast Rewind Button: Navigate to the previous track or fast rewind.
• പ്ലേ/താൽക്കാലികമായി നിർത്തുക ബട്ടൺ: മീഡിയ പ്ലേബാക്ക് നിയന്ത്രിക്കുക.
• Next Song/Fast Forward Button: Navigate to the next track or fast forward.
• ടിഎഫ് കാർഡ് സ്ലോട്ട്: For inserting a Micro SD card to expand storage.
• 4.4mm Balanced Earphone Jack: For balanced audio output.
• 3.5mm Single-ended Earphone Jack: For standard single-ended audio output.
• TYPE-C USB പോർട്ട്: For data transfer, charging, and USB DAC functionality.
• പ്രവർത്തിക്കുന്ന ഇൻഡിക്കേറ്റർ ലൈറ്റ്: Indicates the device's operational status.

3. പ്രാരംഭ സജ്ജീകരണം

3.1 ഉപകരണം ചാർജ് ചെയ്യുന്നു

Ensure your H20 Ultra is fully charged before first use.

• അഡാപ്റ്റർ വഴി: Connect a 5V-1.5A (or above) adapter to a power outlet. Plug the USB-C cable into the adapter and the player. A full charge takes approximately 4 hours.
• Via PC USB Port: Charging via a PC's USB port is slower (under 500mA). If using this method, turn off the device while charging. This is not recommended for regular use.
• ദീർഘകാല സംഭരണം: If the device is not in use, charge it every 3 months to maintain battery health.

കുറിപ്പ്: Slight heating during charging is normal, especially when the battery is low.

3.2 TF Card Insertion/Removal

The H20 Ultra supports Micro SD cards up to 512GB for expanded storage.

• ഉൾപ്പെടുത്തൽ: Insert the TF card into the slot until it locks into place.
• നീക്കം ചെയ്യൽ: Gently press the TF card inward until it pops out slightly, then pull it out.

കുറിപ്പ്: Use high-speed TF cards (Class 10 or above) for smooth playback performance.

4. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

4.1 Power On/Off and Screen Lock

• പവർ ഓൺ/ഓഫ്: Press and hold the power/lock button for 3 seconds. The blue indicator light will illuminate when the device is powered on.
• സ്ക്രീൻ ലോക്ക്: Press the power/lock button once to lock the screen. Press it again to unlock. Unlock behavior can be customized in system settings.
• സിസ്റ്റം റീസെറ്റ്: If the device becomes unresponsive, press and hold the power/lock button for 10 seconds to force a restart. The indicator light will turn off during this process.
• ഇൻഡിക്കേറ്റർ ലൈറ്റ്: The blue light remains on during normal operation, serving as a working status indicator.

4.2 പ്രധാന ഇന്റർഫേസ്

The main interface provides access to the player's core functions:

• പ്ലേലിസ്റ്റ്: Manage your music playlists.
• എന്റെ സംഗീതം: Access your music library.
• File ബ്രൗസർ: ബ്രൗസ് ചെയ്യുക files on your TF card or OTG storage.
• പ്ലേബാക്ക് ക്രമീകരണങ്ങൾ: Configure audio playback options.
• സിസ്റ്റം ക്രമീകരണങ്ങൾ: ഉപകരണ ക്രമീകരണങ്ങൾ ക്രമീകരിക്കുക.

കുറിപ്പ്: In 'Display' style theme, a sixth function 'Play' is also shown.

4.3 Now Playing Interface

When music is playing, the interface displays:

• മുകളിൽ: Song title.
• മധ്യഭാഗം: Album cover (or a background image if none is available).
• താഴെ: Playback progress bar and audio information.

നിയന്ത്രണങ്ങൾ:

• പ്ലേ/താൽക്കാലികമായി നിർത്തുക: Tap the screen icon or use the physical button.
• ട്രാക്കുകൾ ഒഴിവാക്കുക: Tap the previous/next icons on screen or use the physical side buttons.
• ഫാസ്റ്റ് ഫോർവേഡ്/റിവൈൻഡ്: Long press the previous/next icons or physical side buttons.
• പ്ലേബാക്ക് മോഡ്: Tap the bottom icon to switch between Sequential, Shuffle, Repeat One, and Repeat All.
• പ്രിയപ്പെട്ടത്: Tap the heart icon to add the current song to your 'I Like' list (icon turns red when favorited).
• ട്രാക്ക് മെനു: Access options like viewing playlist position, adding to a playlist, viewing song details, or deleting the song.

4.4 Playlist and Music List Functions

Playlist Function Introduction:

• എല്ലാ സംഗീതവും: Displays all songs on the memory card. Songs are automatically scanned and updated when the device is turned on or a new card is inserted (can be enabled/disabled in system settings). Manual scanning is also supported.
• അടുത്തിടെ കളിച്ചത്: Shows the most recently played songs.
• ആൽബങ്ങൾ: Songs are automatically grouped by album after scanning.
• കലാകാരന്മാർ: Songs are sorted by artist.
• വിഭാഗങ്ങൾ: Songs are automatically categorized by music genre.

നുറുങ്ങ്: In any list, tap a song to play it, add to favorites, view details, or delete it. Tap the up arrow to jump to the top of the "All Music" list. Tap the right arrow to locate the currently playing song.

Music List Functions:

• എൻ്റെ പ്രിയപ്പെട്ടവ: Songs marked as favorites during playback are saved here.
• അടുത്തിടെ കളിച്ചത്: Displays songs played most recently.
• പ്ലേലിസ്റ്റുകൾ: Shows your custom playlists (up to 8 supported).
• സമീപകാലത്ത് ചേർത്തു: Shows songs recently added to any playlist.

കുറിപ്പ്: In all lists, tap a song name to enter the playback interface. Tap the three dots next to a song for options like adding to playlist, viewing song info, or removing/deleting the song.

4.5 File ബ്രൗസിംഗ്

Tap 'TF card' or 'OTG storage' to view files and music lists. Tap a song to play it, or tap the three dots next to a song for options (favorite, info, delete). Tap a folder to enter its subdirectory.

കുറിപ്പ്: OTG storage requires a dedicated OTG data cable (sold separately). Music files on OTG storage cannot be moved to the TF card. Only supported audio formats will be recognized by the system.

4.6 പ്ലേബാക്ക് സജ്ജീകരണങ്ങൾ

Access 'Playback Settings' from the main menu to configure various audio playback options:

• പ്ലേബാക്ക് മോഡ്: Choose between Sequential, Random, Single Loop, or List Loop.
• Putട്ട്പുട്ട് തിരഞ്ഞെടുക്കൽ:
  • ഹെഡ്ഫോൺ ഔട്ട്പുട്ട്: 3.5mm interface used as headphone jack (default).
  • LO ഔട്ട്പുട്ട്: 3.5mm interface used as LINE OUT jack. In LO mode, maximum volume is output. Do not insert headphones in LO mode; the device will prompt when switching.
  • SPDIF ഔട്ട്പുട്ട്: When no headphones are connected, audio defaults to SPDIF output. A dedicated USB-C to SPDIF adapter (sold separately) is required for connection to a decoder.
• ഇക്യു ഇക്വലൈസർ:
  • ബിൽറ്റ്-ഇൻ EQ: Select from 8 preset options (Rock, Classical, Jazz, Pop, Dance, Life, Sadness, Metal) or turn off. This has a significant effect on music files below 48kHz sampലിംഗ് നിരക്ക്.
  • ഇഷ്‌ടാനുസൃത ഇക്യു: Available only when built-in EQ is off. Adjust individual frequency bands using sliders. Settings are automatically saved.
• High and Low Gain: Select low gain for low-impedance headphones, and high gain for high-impedance headphones, based on listening preferences.
• Playback Gain: Automatically adjusts playback gain to avoid volume fluctuations between different music and albums. Options: Off, Track-based, Album-based.
• DSD ഔട്ട്പുട്ട് മോഡ്: When outputting via SPDIF or USB DAC OUT, set to PCM, DoP (DSD to PCM), or Native mode (only for digital signals).
• DSD നഷ്ടപരിഹാരം നേടുക: Compensates for DSD gain (default 0).
• LR Channel Balance: Adjusts balance between left and right channels (default centered).
• ഡിജിറ്റൽ ഫിൽട്ടർ: Fine-tune with 4 filter options: High-pass filter-low delay, High-pass filter-phase compensation, Low-pass filter-low delay, Low-pass filter-phase compensation (Default: no additional compensation).
• പരമാവധി ഡിജിറ്റൽ വോളിയം ഔട്ട്പുട്ട്: When off, SPDIF and USB DAC volume can be adjusted locally. When on, output is maximum and cannot be adjusted locally.
• പരമാവധി ഔട്ട്പുട്ട് വോളിയം പരിധി: Set a maximum volume limit (e.g., 80 out of 100).
• Default Volume at Power On: Set and memorize the default volume for startup.
• Fade In and Out: Gradually increases volume at song start and decreases at song end.
• Seamless Playback: Minimizes interval between song switches.
• Break Point Memory Playback: Resumes playback from the last stopped point. Options: Off, Track (from beginning of last track), Position (from exact last stop point).
• Album Skipping: When playing from album list, if enabled, it will jump to the next album after the current one finishes.
• Folder Skipping: When playing from file list, if enabled, it will jump to the next folder after the current one finishes.

4.7 സിസ്റ്റം ക്രമീകരണങ്ങൾ

Access 'System Settings' from the main menu to configure device preferences:

• ഒന്നിലധികം ഭാഷ: Choose from 5 languages: English, Italian, German, French, and Spanish.
• സ്കാൻ മോഡ്: Set whether to automatically scan songs. Options: Automatic (scans on startup/card insertion), Manual (user-initiated scan), Song Scanning (manual scan if song names/files are not found).
• ഹോംപേജ് ശൈലി: Select from 'Street', 'Display', or 'Gallery' themes for the main interface.
• അക്ഷര വലിപ്പം: Choose 'Small', 'Medium', or 'Large'.
• സ്ക്രീൻ സേവർ: After screen lock, press power button or double-click screen to wake up. Options: Off, Album Cover (displays album art if available, otherwise default image), Clock (real-time clock).
• Lock Key Options: Configure button functionality when locked. Options: Power (only power button works), All Keys (all buttons remain functional).
• ബാറ്ററി ഡിസ്പ്ലേ: Show or hide battery percentage.
• ഡിസ്പ്ലേ ക്രെമീകരണങ്ങൾ: Adjust LCD brightness (default 50%) and screen timeout (default 30s).
• സമയ ക്രമീകരണങ്ങൾ: സിസ്റ്റം സമയം സജ്ജമാക്കുക.
• ബ്ലൂടൂത്തിനെക്കുറിച്ച്: ബ്ലൂടൂത്ത് ഓണാക്കുക, view device name, adjust sound quality/volume, search and pair devices.
• ഹൈബൈ ലിങ്ക്: Control the player via the HiBy Music app on your mobile phone over Bluetooth.
• ഓട്ടോ പവർ-ഓഫ്: Power-saving mode; auto shutdown after 10 minutes of inactivity.
• സ്ലീപ്പ് മോഡ്: Auto shutdown after 120 minutes during playback or standby.
• സ്റ്റാൻഡ്‌ബൈ മോഡ്: Automatically enters standby 3 minutes after screen turns off when idle. Power-saving and sleep timers are based on standby state.
• E-Book: Scan and display e-books from TF card. Supports favorites, folders, and recent reads.
• യുഎസ്ബി മോഡ്: Options: Charge Only, Data (for file transfer), DAC (use as external sound card for PC).
• ഫാക്ടറി പുന et സജ്ജമാക്കുക: എല്ലാ ക്രമീകരണങ്ങളും ഫാക്ടറി ഡിഫോൾട്ടുകളിലേക്ക് പുനഃസ്ഥാപിക്കുക.
• സിസ്റ്റം നവീകരണം: Download firmware from the official site, place it in the TF card root directory (FAT32), and perform the upgrade.

5. പരിപാലനം

• Keep the device clean using a soft, dry cloth. Avoid liquid cleaners.
• തീവ്രമായ താപനില, നേരിട്ടുള്ള സൂര്യപ്രകാശം, ഉയർന്ന ഈർപ്പം എന്നിവയിൽ നിന്ന് ഉപകരണത്തെ സംരക്ഷിക്കുക.
• ശക്തമായ ആഘാതങ്ങൾക്ക് ഉപകരണം ഇടുകയോ ഇടുകയോ ചെയ്യുന്നത് ഒഴിവാക്കുക.
• For long-term storage, ensure the device is charged every three months to prevent battery degradation.

6. പ്രശ്‌നപരിഹാരം

• ഉപകരണം പ്രതികരിക്കുന്നില്ല: Perform a system reset by holding the power/lock button for 10 seconds.
• Songs not appearing/playing: Ensure your TF card is Class 10 or above. Use the 'Song scanning' function in System Settings to manually scan for new music.
• ഓഡിയോ ഔട്ട്പുട്ട് ഇല്ല: Check headphone connections. If using SPDIF, ensure a dedicated USB-C to SPDIF adapter is used and connected to a decoder. Verify 'Output Selection' in Playback Settings.
• ബാറ്ററി പെട്ടെന്ന് തീർന്നു പോകുന്നു: Ensure 'Auto Power-Off' and 'Sleep Mode' settings are configured to your preference. Avoid leaving the device idle for extended periods without these features enabled.
• ബ്ലൂടൂത്ത് കണക്ഷൻ പ്രശ്നങ്ങൾ: Ensure Bluetooth is enabled on both the player and the connecting device. Try re-pairing the devices.

7 സാങ്കേതിക സവിശേഷതകൾ

Image: Diagram of the ES9038Q2M DAC chip, highlighting its specifications including Total Harmonic Distortion, Signal-to-Noise Ratio, and Frequency Response.

8 ഉപയോക്തൃ നുറുങ്ങുകൾ

• For the best audio experience, consider using high-quality balanced headphones with the 4.4mm output.
• Experiment with the EQ settings to personalize your sound profile. The custom EQ offers granular control.
• Utilize the HiBy Link feature to control your player conveniently from your smartphone.
• If you encounter any issues with music playback or file recognition, ensure your Micro SD card is a high-speed (Class 10 or above) card.
• Regularly check the official HIFI WALKER webഒപ്റ്റിമൽ പ്രകടനവും പുതിയ സവിശേഷതകളിലേക്കുള്ള ആക്സസും ഉറപ്പാക്കാൻ ഫേംവെയർ അപ്ഡേറ്റുകൾക്കായുള്ള സൈറ്റ്.

9. വാറൻ്റിയും പിന്തുണയും

For detailed warranty information, technical support, and the latest firmware updates, please visit the official HIFI WALKER website. You may also refer to the comprehensive user manual PDF available for download at ഉപയോക്തൃ മാനുവൽ (PDF).