Sony Pha3 Owners Manual

Portable Headphone Amplifier
PHA-3
Installing  the driver software on a Windows computer
To play back the music files on your  Windows computer with the headphone  amplifier, you need  to download and install
the driver  software for Windows “Sony USB Device Driver” on the computer. 1.  Visit the following support website, then  download and install the driver  software for Windows “Sony USB Device
Driver” on your  Windows computer.
http://www.sony.com/support/
For details on installing, refer to the...

Connecting to a  Windows computer
4 -547 -524 -11(4)
Copyright  2014 Sony  Corporation
47  

Portable Headphone Amplifier
PHA-3
Installing  “Hi -Res Audio Player” on a computer
To play back the High-Resolution  Audio format files on your  computer (Windows/Mac) with the headphone  amplifier, you
need  to download and install “Hi-Res Audio Player” on the computer. 1.  Visit the following support website, then  download and install “Hi-Res Audio Player” on your  computer.
http://www.sony.com/support/
For details on installing, refer to the download pages.
Related Topic
About High- Resolution Audio...

Portable Headphone Amplifier
PHA-3
Charging the battery via  a computer
The  headphone  amplifier contains  a rechargeable lithium-ion battery, which should  be charged before using it for the first
time. 1.  Rotate  the power/volume  knob counterclockwise, until it clicks,  to turn  off the headphone  amplifier.
The  battery charges only when the headphone  amplifier is  off. Rotate  the power/volume  knob clockwise to turn  on
the headphone  amplifier. Rotate  it more to adjust the volume.
2.  Connect...

When  the battery  cannot be  charged
Check that the headphone  amplifier and your  computer are  firmly connected via the micro -USB cable (supplied).
Use only the supplied  micro -USB cable. Do not charge the battery using any other USB cable.
Check that the computer is  turned on and not in standby, sleep or hibernation  mode.
If the computer enters standby, sleep, or hibernation  mode  while the headphone  amplifier is  connected to the
computer,  the POWER/CHG indicator turns  off and the battery...

Portable Headphone Amplifier
PHA-3
Charging the battery via  an AC outlet
The  battery can be charged via an AC outlet  by using the recommended USB AC adaptor (AC -UD20) (sold separately).
For details on the adaptor, refer to its operation manual. 1.  Rotate  the power/volume  knob counterclockwise until it clicks  to turn  off the headphone  amplifier.
The  battery charges only when the headphone  amplifier is  off. Rotate  the power/volume  knob clockwise to turn  on
the headphone  amplifier. Rotate...

Battery life*2
Analog connection: Approx.  28 hours*2
Digital (balanced)  connection: Approx.  5 hours*2
*2 when  using  the  headphone  amplifier  at 1  mW  + 1  mW  output  (24 Ω). Time may vary,  depending on the  immediate
environment or conditions of use.
Note
The  charge will continue for about  10 hours, then  the timer  function  of the charge protection circuit will stop the
charging. If you want to continue charging, disconnect and reconnect the micro -USB cable.
When the headphone  amplifier...

Portable Headphone Amplifier
PHA-3
Turning the power on
When  using  the headphone  amplifier for the first  time, charge its battery  beforehand.
Connect  the headphone  amplifier to your  booted computer using the micro -USB cable (supplied). 1.  Rotate  the power/volume  knob clockwise.
The  POWER/CHG indicator flashes in green then  lights up.
Rotate  the power/volume  knob further clockwise to increase the volume.
Hint
When the headphone  amplifier is  turned on, you can check the battery level by...

Portable Headphone Amplifier
PHA-3
Turning the power off
1 .  Rotate  the power/volume  knob counterclockwise until it clicks.
The  POWER/CHG indicator turns  off.
Note
The  POWER/CHG indicator lights up in red  when the DC  IN 5V  port  is  connected to your  computer or the USB AC
adaptor (sold separately).  The  indicator turns  off when battery charge is  completed.
4 -547 -524 -11(4)
Copyright  2014 Sony  Corporation
Help Guide
How  to Use
54  

Portable Headphone Amplifier
PHA-3
Checking the battery level
Check the battery level before carrying out the headphone  amplifier. 1.  If the micro -USB cable (supplied) is  connected to the DC  IN 5V  port,  disconnect it.
2 .  Rotate  the power/volume  knob clockwise to turn  the headphone  amplifier on, and check how many  times the
POWER/CHG indicator flashes in green.
Flashes  three times: Substantially charged
Flashes  twice: Half charged
Flashes  once:  Battery level is  low. It is  necessary to...