Sony GTK-XB60 Operating Instructions Manual page 12

Notes
• It may take longer to charge the battery
depending on the conditions of use.
• Even if you do not intend to use the
system for a long time, charge the battery
to its full capacity once every six months
to maintain its performance.
Hint
You can operate the system while it is
charging.
Checking the battery level of the
rechargeable battery
You can check the remaining battery
level via voice guidance when using
the system with the built-in battery.
You can also check the battery
level using "Sony | Music Center"
(page 22).
1
Press  to turn on the system.
Make sure that the AC power cord
is not connected to a wall outlet.
You can only check the battery
level when using the built-in
battery.
2
Hold down STAMINA
BATTERY.
12
GB
GTK-XB60/XB90.4-697-227-11(1)
3
The voice guidance message
is heard and the CHARGE
indicator flashes as follows
according to the remaining
battery level.
Message Indicator
(battery level) flashes
"Fully charged" 4 times
(80% – 100%)
"About 70%" 3 times
(60% – 79%)
"About 50%" 2 times
(30% – 59%)
"About 20%" Once
(11% – 29%)
"Please charge" Continuously
(less than 10%)
Hint
"Please charge" is output automatically
when the remaining battery level is less
than 10%.
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