Help Guide
Wireless Speaker
SRS-XB21
About the indicators
CHARGE indicator (orange)
Note
A speaker that is in use can be charged if it is connected to an AC outlet via a USB AC adaptor (commercially available), or
connected to a booted computer. In this case, it may take longer to charge the built-in battery depending on the conditions of use.
Therefore, it is recommended to turn off the speaker when charging.
When you use the speaker at a loud volume for a long time, the built-in battery may run low even if the speaker is connected to
an AC outlet via a USB AC adaptor (commercially available), or connected to a booted computer. As a result, sound becomes
low. This is not a malfunction. Turn off the speaker and charge the built-in battery sufficiently.
In an extremely cold or hot environment, charging stops for safety. If charging takes a long time, it also makes charging of the
speaker stop. To resolve these issues, disconnect the micro-USB cable from the speaker and connect it again within an operating
temperature between 5 °C and 35 °C (41 °F and 95 °F).
(power) indicator
Turns off The speaker has completed charging.
Lights up The speaker is being charged.
Flashes slowly The built-in battery is running at less than 10% and needs to be charged.
Flashes 3 times
and turns off
If the CHARGE indicator flashes 3 times and goes off when you turn on the speaker, the built-in
battery is empty and needs to be charged.
Turns off The speaker is turned off.
Lights up
(green)
The speaker is turned on. The STANDARD mode is set. (The EXTRA BASS and LIVE SOUND
mode are not set.)
Lights up (white)
The speaker is turned on. The EXTRA BASS mode or LIVE SOUND mode is set. When you
purchase, the EXTRA BASS is set.
Lights up
(orange)
The speaker turns off. The speaker is set to the BLUETOOTH standby mode.
Flashes (green,
white, red or
orange)
Each time you press the -/+ (volume) buttons, the indicator flashes once.
When you operate the–/+ (volume) buttons and the volume is set at the lowest (0) or highest (50)
level, the indicator flashes 3 times.
Depending on the progress of the software update, the state that the indicator flashes in green
changes. In each update, the indicator flashes in green 5 times, then 4 times, 3 times, twice, once,
and turns off
*
.
When the speaker turns on for the first time after the software update, the indicator flashes 3 times
in green or white to inform you that the update has completed.
When the software update ends in error, the indicator flashes in red or orange.
When the built-in battery is running at less than 10%, the indicator flashes in green or white slowly.
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