HiFiMAN HM-901 User manual

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HM-901 Owner's Guide
High-delity Portable Digital Player
HM-901

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HM-901 Owner's Guide
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HM-901 Owner's Guide
1 HM-901 Basics 3
Function Buttons 4
Power ON/OFF Key 4
Accessories 5
Using HM-901 5
Note 5
Card Installation 5
Power ON/OFF 5
Charging 5
Replacing the battery 5
Replacing the amp module 6
Connections 6
Connecting HM-901 to PC 6
Disconnecting HM-901 from PC 7
2 Operation 7
Main menu 7
Insert SD Card 8
Artist, album and genre 8
All songs 8
Favorite 8
Delete a le 8
Playing menu 8
Setting 8
System version 9
Repeat 9
Shufe 9
Backlight 9
Sleep 9
Brightness 9
Language 9
S/P DIF-IN 9
Updating media database 10
Reset settings 10
3 Other information 10
HM-901 customer service 11
Recycling information 11
Basics Operation Other informationTable of Contents
Specications:
Dimensions: 72mm W×117mm H× 29mm D
Weight: 250g
Battery life: 9 hours
D/A Chip: ES9018×2
Frequency response: 20HZ-20KHz
Distortion: 0.008%(Line out)
S/N: 106±4db
SD Card Memory: 128G
Acceptable music formats:
24bit
WAV, FLAC, ALAC (M4A)
16Bit
AIFF, AAC, APE(16bit/44.1KHz&48KHz)

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Basics Operation Other information Basics Operation Other information
Power ON/OFF
Hold the power key up for 2-3 sec to turn on the player when HM-901
is powered off.
Hold the power key up for 2-3 sec to turn off the player when HM-901
is powered on. A dialog box will appear for you to select the mode.
Wheel
The icon for the wheel will show on the main menu after the player is
powered on.
Rotate the wheel to fast forward or rewind in play menu.
Central button
Press the central key in play menu to select repeat.
Back
Press the button to return to the previous folder.
HOME
Press the HOME button to return to the main menu from anywhere.
Play/Pause
After pressing the Play/Pause button, the player will play music or
pause.
NEXT
Press the button to go to next song.
PREVIOUS
Press the button to return to previous song.
Phone out
Volume
Screen
Hold
Power
Back
Low/High Gain
Click wheel
OK
Classic/HD
Balance/Normal
Home
Play/Pause
Next
Previous
Base port
Function Buttons
Reset
Lock

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Accessories
1. USB cable, S/P DIF input/RCA Line out cable.
2. Charger, for charging HM-901.
3. Battery: Li-ion +7.4V 1600 mAh, -7.4V 520 mAh
4. Owner’s Guide/Manual.
5. Amp module.
Using HM-901
Note
Please read this manual thoroughly on how to best install and operate your
player for many years of enjoyment.
Insert SD Card
The HM-901 will automatically detect and update the les on the SD card after
the player is turned on. The time for detection depends on the size of the les
on the SD card. After the update, the HM-901 will be ready to play.
It is recommended that you install or remove the SD card when the player is
powered off to prolong the life of the card and ensure the safety of those les.
Power ON/OFF
Hold the power key on the right side of HM-901 up for 2 sec. After releasing
the power key, the player will power on and the HiFiMAN logo will appear.
With the HM-901 on, Hold the power key on the right side of the player up. A
dialog box will appear for you to select the mode: power off, sleep or cancel. If
you select the “sleep” mode, the player will stop playing and the backlight will
turn off. Hold the power key again to return to normal playing mode.
Basics Operation Other informationBasics Operation Other information
Low/High Gain
The player is set in Low Gain. Press the button to choose Low or High Gain.
Balance/Normal
Phone output: Normal/Balance. Select “Normal” for normal headphones or
earphones but for balanced output, please select “Balance”.
Volume
Please turn the volume to “0” before playing music to protect your hearing.
After the player is powered on, adjust the volume as you like.
HOLD
Press the HOLD button to lock or unlock the player. When the switch is set
to hold, all the buttons (except for the volume button) are disabled.When the
player is unlocked, all the buttons are back to work.

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Reset
Should the player LCD become “frozen”, insert a proper tool in the reset hole
to reboot the player. to reboot the player.
Charging
The average battery time of HM-901 is eight to nine hours. Please charge the
player when you see a reminder of low power. We recommend that you use
the original HiFiMAN charger.
Note: The player can only be charged fully with Power OFF.
Replacing the battery
When your battery is out of life, you should replace it with a new one which
can only be supplied by HiFiMAN or HiFiMAN authorized dealers. For more
information on replacing the battery, please visit: http://head-direct.com/
Press the
clamp down
Take out the
amp module
Amp module bay
Clamp
Please install the amp module in the opposite way of removing it.
Basics Operation Other informationBasics Operation Other information
How to install the battery:
Replacing amp module
Please remove the battery rst as instructed above. Then the amp module can
be replaced. Several optional amplier cards are available for your HM-901 to
meet different needs. Below is a gure on how to replace the amp module:
How to remove the battery:

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1. Use the USB cable to connect HM-901 to the computer.
2. Wait for the system to show “USB connecting”.
3. Copy the le or folder to SD card.
Connecting
Connecting HM-901 to PC Note:
1. It is important not to remove the USB cable while music is being
downloaded or the music les could be corrupted.
2. The speed for data transfer can vary depending on the size of the
transferred les and/or the operating system of your computer.
Disconnecting HM-901 from PC
Click the USB device icon on the computer and disconnect the player. The
USB cable can then be removed.
Note:
1. The USB device icon might be concealed under other programs. If you
cannot see it, click the “show the concealed device” and you will nd the
USB device icon.
2. When the SD card is in operation, you do not disconnect the player.
3. Do not unplug the USB cable while music is transferring, you may corrupt
the les.
Basics Operation Other informationBasics Operation Other information

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2 Operations
Main menu
When the player is starting, the
system will automatically detect
the music les on the SD card and
update database. After the update,
the HM-901 will go to main menu.
SD Card
On the main menu, rotate the wheel
to SD card and click the central
button to enter the SD card menu
and view the music les. When
the wheel highlights a single track,
press the central button to play the
song. By default, non-music les
will not be visible.
Artist, Album and Genre
After the player is started, the music les on the SD card are classied
according to the artist, album and genre. Accordingly, three menus are
shown on the main menu.
All Songs
After the player is started, you can
go to “browse all songs” from the
main menu and play music.
Basics Operation Other information Basics Operation Other information

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Favorite
When you browse all songs, you will
view a hollow star following each
song on the right. If you press the
central button for several seconds,
the song you are browsing will be
added to “Favorite” with the star
being solid. By entering Favorite
from the main menu, you will see all
the added songs.
When HM-901 is playing music, or
you go to the play menu from the main
menu, the play menu will be visible.
Click the central button to select the
playing mode and press it for 3 sec to
add/remove one song to Favorite.
System Version
Click to see the information on your
HM-901’s current software version.
Basics Operation Other informationBasics Operation Other information
Setting
Delete a le
On the play list, press the Back
button for seconds and a window
will show up. Press Yes to delete
the le you select.

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On Main Menu, select “Setting”
then go to “Repeat” to make your
selection.
Shufe
On Main Menu, select “Setting”
then go to “Shufe” to make your
selection.
Backlight
You have the option to set the time
for the player on as “always on,
10s, 30s, 1min and 2 mins”.
Sleep
Set the time for auto power off.
Basics Operation Other informationBasics Operation Other information

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Basics Operation Other informationBasics Operation Other information
Brightness
Set the display brightness from 1 to
5.Note: The brighter your display the
more battery life will be affected.
Language
On Main Menu, select “Setting” then go to
“Language” to make your selection.
S/P DIF
Switch between DAP and S/P DIF.
Press the go back button to exit S/P DIF.
Note:
To use the S/P DIF, a base is
needed. For more information,
please visit www.himan.com.

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3 Other information
Product Safety
Note:
Make sure not to place heavy items on HM-901 to avoid possible
damage to the player.
Be careful not to drop or hit your player.
Keep the player away from rain, water, drinks, chemicals and
cosmetics, etc. Any damage caused by the player being soaked
will not be covered in the warranty whether it is within or without the
warranty period.
Avoid putting the player in a humid, dusty or smoky environment.
Any attempt to remove, repair or modify the player without permission
is forbidden and will void the warranty.
Keep the player from direct sunlight. Proper operating environment:
21.2。
F~104。 F(-6℃~40℃).
Basics Operation Other informationBasics Operation Other information
Updating media
database
Refresh the les on the SD card and
update the index information for all
les in the data base.
Reset Settings
Perform Factory Data Reset.
Warning: Performing a Factory
Data Reset will clear the player's
memory and put it back to the
original factory default state.

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HM-901 Service and Support
Please visit us at http://www.himan.com/AboutUs/Warranty/
for warranty service and support.
Disposal and Recycling Information
HM-901 Disposal and Recycling:
Dispose of your HM-901 according to your local environmental laws
and regulations. The disposal of your HM-901 should be separated from
household waste because the player contains electronic parts and battery.
When your HM-901 reaches its end of life, please contact your local
environmental department for disposal and recycling information or you could
simply send it back to us. The battery will be removed and recycled without
causing pollution.
European Union—Disposal information:
This symbol means that according to local laws and regulations your product
should be disposed of separately from household waste. When this product
reaches its end of life, take it to a collection point designated by local
authorities. Consumers can be punished by penalty for inappropriate disposal
of electronic device. The separate collection and recycling of your product at
the time of disposal will help conserve natural resources and ensure that it is
recycled in a manner that protects human health and the environment.
Do not use any chemicals or detergents to clean the player.
Do not disconnect the player from PC when the downloading is not complete.
Do not plug any other device into the headphone output port except for
headphones or earphones.
It is recommended not to use headphones while riding, driving or operating
motor vehicles.
If you experience ringing in your ears, please reduce the volume or turn off
your player.
Basics Operation Other information Basics Operation Other information

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HM-901 Owner's Guide
Customer Service Tel: [phone]
Email: [email protected]
Address: 143 Rickey Blvd ATTN 485, Bear, DE 19701 United States
Website: www.hifiman.com