Sony GTK-XB90 Operating Instructions - Page 12

Hold down STAMINA, indicator flashes as follows

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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. ••In an extremely cold or hot environment, charging stops for safety. If charging is taking a long time, this also stops the system from charging. In these conditions, the CHARGE indicator continues to flash quickly in amber, but this is not a malfunction. To resolve these issues, disconnect the AC power cord and connect it again in an operating temperature between 5°C and 35°C (41°F and 95°F). 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. You can also check the battery level using "Sony | Music Center" (page 22). 1 Press  to turn on the system. 2 Hold down STAMINA BATTERY. 3 The voice guidance message is heard and the CHARGE indicator flashes as follows according to the remaining battery level. Message (battery level) "Fully charged" (80% - 100%) "About 70%" (60% - 79%) "About 50%" (30% - 59%) "About 20%" (11% - 29%) "Please charge" (less than 10%) Indicator flashes 4 times 3 times 2 times Once Continuously Hint "Please charge" is output automatically when the remaining battery level is less than 10%. 12GB

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12
GB
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.
• In an extremely cold or hot environment,
charging stops for safety.
If charging is taking a long time, this also
stops the system from charging.
In these conditions, the CHARGE indicator
continues to flash quickly in amber, but
this is not a malfunction.
To resolve these issues, disconnect the
AC power cord and connect it again in an
operating temperature between 5°C and
35°C (41°F and 95°F).
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.
You can also check the battery
level using “Sony | Music Center”
(page 22).
1
Press
to turn on the system.
2
Hold down STAMINA
BATTERY.
3
The voice guidance message
is heard and the CHARGE
indicator flashes as follows
according to the remaining
battery level.
Message
(battery level)
Indicator
flashes
“Fully charged”
(80% – 100%)
4 times
“About 70%”
(60% – 79%)
3 times
“About 50%”
(30% – 59%)
2 times
“About 20%”
(11% – 29%)
Once
“Please charge”
(less than 10%)
Continuously
Hint
“Please charge” is output automatically
when the remaining battery level is less
than 10%.