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Sony Pha3 Owners Manual

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    							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 download pages.
    The  headphone  amplifier needs  to be connected to your  Windows computer at a certain  point while installing the driver
    software.
    In this case, connect  the Windows computer to the Xperia/WALKMAN/PC (USB AUDIO) connecting port  of the
    headphone  amplifier using the micro -USB cable (supplied).
    Hint
    There is  no need  to install the driver  software on a Mac computer.
    Note
    If the driver  software is  not installed on your  Windows computer,  music files cannot  be played  back via the headphone
    amplifier.
    Related Topic
    Help Guide
    How  to Use
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    							Connecting to a  Windows computer
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    							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  format files
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    							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  your  booted computer to the DC  IN 5V  port  of the headphone  amplifier using the micro -USB cable
    (supplied).
    The  POWER/CHG indicator lights up in red  while the battery is  being  charged, and the indicator turns  off when
    charging is  completed.
    Charging is  completed in about  15 hours.*1
    If the battery is  not charged properly, the POWER/CHG indicator will flash in red.
    *1 Time required for  empty battery to recharge.
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    How  to Use
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    							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 charge will not be completed properly. In this case,
    change the computer settings  and then  charge the battery again.
    Check that the headphone  amplifier is  directly connected to a computer using the micro -USB cable (supplied).
    Charging may not be completed properly by an indirect  connection, such as via a USB hub.
    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.
    Hint
    The  battery can be charged via an AC outlet  by using the recommended USB AC adaptor (AC -UD20) (sold
    separately).  Charging is  completed in about  6 hours.
    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 had not been  used for a long time, it may take a while for the POWER/CHG indicator
    to light up in red.  In this case, do not disconnect the micro -USB cable from the headphone  amplifier. Wait until the
    POWER/CHG indicator lights up in red.
    Charge the battery in an ambient temperature between 5 °C to 35 °C. If you try to charge the battery outside  this
    range, the POWER/CHG indicator may flash in red,  but the battery may not be charged.
    When the battery is  full, the POWER/CHG indicator may not light up in red.
    When storing  the headphone  amplifier for a long time, avoid a place subject to high temperatures. When storing  the
    headphone  amplifier for more than  a year,  charge the battery every  six  months to prevent over  discharge.
    Related Topic
    Charging the  battery via an AC  outlet
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    							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  it more to adjust the volume.
    2.  Connect  the DC  IN 5V  port  of the headphone  amplifier and the USB AC adaptor (AC -UD20) (sold separately)  using
    the micro -USB cable (supplied), then  connect  the USB AC adaptor to an AC outlet.
    The  POWER/CHG indicator lights up in red  while the battery is  being  charged, and the indicator turns  off when
    charging is  completed.
    Charging is  completed in about  6 hours.*
    If the battery is  not charged properly, the POWER/CHG indicator will flash in red.
    * Time required for  empty battery to recharge.
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    How  to Use
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    							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 had not been  used for a long time, it may take a while for the POWER/CHG indicator
    to light up in red.  In this case, do not disconnect the micro -USB cable from the headphone  amplifier. Wait until the
    POWER/CHG indicator lights up in red.
    Charge the battery in an ambient temperature between 5 °C to 35 °C. If you try to charge the battery outside  this
    range, the POWER/CHG indicator may flash in red,  but the battery may not be charged.
    When the battery is  full, the POWER/CHG indicator may not light up in red.
    When storing  the headphone  amplifier for a long time, avoid a place subject to high temperatures. When storing  the
    headphone  amplifier for more than  a year,  charge the battery every  six  months to prevent over  discharge.
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    							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 the number of 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 charge the  battery.
    Always  flashing: It  is necessary  to charge the  battery. If  you continue  to use the  headphone  amplifier  without  charging, it
    will  turn off automatically.
    Related Topic Charging the  battery via a  computer
    Charging the  battery via an AC  outlet
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    							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.
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    							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 charge the battery.
    Always flashing:  It is  necessary to charge the battery. If you continue to use the headphone  amplifier without
    charging, it will turn  off automatically.
    Note
    The  battery level that the indicator shows is  a rough guide.  The  actual battery level may differ  depending on the
    condition  of use.
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