Charging The Carrying Case Only - Sony XBA-BT75 Operating Instructions Manual

Notes
 The headset cannot be connected to a
computer directly by USB cable.
 If the headset and/or the carrying case are
not used for a long time, the indicators
may not light up when you connect the
USB cable. In this case, keep the USB cable
connected to the carrying case, and wait
until the indicators light up.
 For details on the system requirements for
a personal computer to charge the battery
by USB, see "System requirements for
battery charge using USB" (page 33).
Tips
 When the battery of the carrying case is
sufficiently charged, you can use the
carrying case as a battery charger for the
headset, without the need to connect to a
computer. The headset indicator lights up
while charging, and goes off when
charging is completed.
 If you put the headset in the carrying case
without turning off, and close the cover,
the headset will be turned off and charging
starts automatically.
 If you charge the carrying case by
connecting to an AC outlet, use the USB
Charging AC Power Adaptor AC-U501AD
(sold separately). For details, refer to the
manual supplied with the adaptor.
 The headset cannot be turned on while
charging.
1
US
Charging the carrying
case only
If the carrying case is sufficiently
charged, it can be used as a battery
charger for the headset without
connecting to a computer.
1
Connect the supplied USB cable
to the carrying case, and then
connect the other end to a
computer.
Insert the connector with  mark
up.
Charging starts.
Make sure that the charging
indicator of the carrying case lights
up.
Charging is completed in about 3
hours*, and the charging indicator
goes off automatically.
* Time required for empty battery to
recharge.