Do you have a question about the F28 and is the answer not in the manual?
Questions and answers
Rob
April 5, 2025
Unlock digital volume
1 comments:
Mr. Anderson
April 5, 2025
To unlock digital volume on the SURFANS F28, you need to turn off the "Maximum digital volume output" function. When this function is turned off, SPDIF and USB DAC volume can be adjusted. When it is turned on, SPDIF and USB DAC output at maximum volume and cannot be adjusted.
Instruction Power on/off Press the power/lock screen button for 3 seconds, the player will turn on, and the light of the power indicator will be on; in the power-on state, after pressing the button for 3 seconds, the player will display the shutdown logo, and the indicator light will be off when the player is turned off.
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Charging 1. Charging through the adapter: Connect the adapter to the power supply for charging, It can be fully charged in about 3 hours under normal conditions. (Please use 5V2A or above qualified power adapters) 2. When using the PC USB interface to charge, please be informed that the current provided by the USB of the PC is generally lower than 500mA, so it will take longer time for the battery to be fully charged.
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Player Menu/Interface 1.The main interface is shown in the picture above, you can set your favorite style in the theme style set by the system; 2. The main interface is divided into 8 main functions: scan songs(update database), playlists, my music, folder, e-books, Bluetooth settings, playback settings, and system settings;...
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Playing interface The playback interface displays the song name, playback mode, playback pause, music format, song duration, elapsed time, song progress bar, previous and next song, album picture and lyrics display, bluetooth status, time display, headphone device display, gain, power and other information.
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Play mode: Click the icon to play sequentially or randomly, and you can also select it in the playback mode of the playback settings. Favorites: Click the star of the favorite logo on the playback interface to turn yellow, and the song will be automatically added to the playlist.
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Click “ " behind the song name, you can add the song to the playlist,delete, view songs and other information. Slide your finger up and down on the right side of the screen,there will be a quick search bar for English alphabet songs, select the first letter of the song name, you can find quickly the song you're looking for.
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information in All song list, such as All, Recently Played, Albums, Artists, and Genres. My playlist: The playlist here is all the playlists created by myself, and when playing music, the favorite music is added to the song list of the playlist, as well as the operation of exporting and importing the playlist, click behind the playlist "...
the collection and delete the file collection. Folder: Show all the eBook documents after scanning the eBook, click the eBook name, you can directly look at the favorite eBooks, currently only support TXT class eBooks; click “ " to return to the previous menu, click“...
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2. Random play: Play randomly in the playlist again. 3. Single song loop: Play single song in a loop. 4. List Loop: Loop all songs in the current playlist. Output selection: 2 modes can be selected (this function can only be set when there are headphones plugged in). Headphone output: The 3.5mm interface is used as a headphone jack (default).
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Position: Resume playback of the song from where it left off when playback was last stopped. Gapless playback: After opening, the interval between song switching can be shortened to the greatest extent. Maximum digital volume output: When this function is turned off, SPDIF and USB DAC can be set to adjust the volume of the unit;...
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Audio Track: Automatically adjust playback gain with the music's audio track. Album: Automatically adjust the playback gain according to the album of the music. LR channel balance: Slide the progress bar to adjust the balance of the left and right channels, and set it according to the characteristics of your own ears.
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System settings System settings: In this setting, you can set language, music scanning mode, backlight brightness, backlight time, theme style, colorful theme, font size, USB mode, lock screen operation, time setting, power saving shutdown, sleep shutdown, battery Power display, standby, screen saver setting, factory reset, firmware upgrade and about this player.
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and the scanning time is about 5 minutes. This time will vary greatly with the complexity of the song catalog, the format and size of the songs. 3) If manual scanning is selected, before manual scanning, the records of each song list of the song are the content stored in the last scan.
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Lock screen operation: turn off this function, after standby, all buttons except the power button are invalid; open this function, after standby, all buttons are valid. Time setting: supports time display, please set the time before use. Power-saving shutdown time: You can set the player to automatically shut down after it has been idle for a set period of time when there is no playback or operation.
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Clock Cover: Select the real-time clock as the screen saver. After setting the screen saver, press the power button to wake up, and the selected mode will be displayed. Swipe up or right to enter the operation interface. Restore factory settings: You can restore the player to the factory default settings.
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Mode", and then connect it to the PC. At this time, the PC will prompt "Found New Hardware" and install the driver automatically. The "DAC" icon appears on the display screen of the player, and the connection has been successful. Select the local device name for the audio output of the PC, or set the output of the audio player on the PC to the local device name, and you can listen to music when you plug in the earphones.
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FLAC ( 192Kz/24 bit ) , DSF ( 11.28MHz/ 1bit ) Music format DFF ( 11.28MHz/ 1bit ) Aiff 、 M4A 、 AAC 、 OGG 、 MP2 /MP3 and so on 3.5 single-ended headphones Total harmonic <0.005% Distortion 2.5 balanced headphones <0.005% Signal-to-noise ratio ≥118dB@1KHz,±2dB Frequency Response...
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Headphone Impedance 16 Ω -300Ω 3.5mm single-ended headphone jack Analog output 2.5mm balanced headphone jack USB DAC OUT Digital output SPDIF digital coaxial output (USB-C port) USB2.0 data, charging, USB-DAC Data interface three-in-one Memory Deck TF Card ≤ 512GB Operating temperature 0-40 °C Supported Operating Windows XP/Vista, Win7/8.1, Win10,...
(stolen, lost) and other force majeure caused the equipment cannot be used normally. 8.Man-made scratches or bruises on the LCD screen/touch screen. Thank you very much for selecting SURFANS F28 HiFi Music Player. Any concern or questions please contact our customer service: Email: help@surfans.net...
Need help?
Do you have a question about the F28 and is the answer not in the manual?
Questions and answers
Unlock digital volume
To unlock digital volume on the SURFANS F28, you need to turn off the "Maximum digital volume output" function. When this function is turned off, SPDIF and USB DAC volume can be adjusted. When it is turned on, SPDIF and USB DAC output at maximum volume and cannot be adjusted.
This answer is automatically generated