Help Guide
Wireless Speaker
ULT FIELD 1
About the indicators
CHARGE indicator (orange)
Note
As long as the speaker is connected to an AC outlet by a USB AC adaptor (commercially available), the speaker's built-in battery
is capable of charging itself even while the speaker is turned on.
Depending on the usage of the speaker, however, it may take a long time before charging completes. It is recommended that you
turn off the speaker before battery charging.
Depending on the type or specifications of the USB AC adaptor, if you use the speaker at a loud volume, the remaining power of
the rechargeable built-in battery may decrease or the speaker may turn off even while the speaker is connected to an AC outlet by
the USB AC adaptor. This, however, does not indicate a malfunction. If such a case occurs, turn off the speaker and let the battery
fully charge itself before you use the speaker.
If the ambient temperature is extremely low or high, the built-in battery will stop charging itself for safety reasons. It may also stop
charging if charging continues for a long period of time. If such a case occurs, bring the temperature up or down to an operating
temperature between 5 °C and 35 °C (41 °F and 95 °F), disconnect and connect the USB cable, and then let the battery charge
itself once again.
(power) indicator (green)
Turns off The speaker is finished with charging.
Lights up The speaker is being charged.
Flashes slowly The built-in battery is running at less than 20% and needs to be charged.
Flashes 3 times
and turns off
If the CHARGE indicator flashes 3 times and turns off when you turn on the speaker, the built-in
battery is empty and needs to be charged.
Flashes quickly
An abnormality in the interior temperature or in the built-in rechargeable battery is detected. Turn off
the speaker, disconnect the USB cable, wait for a while, and then restart the speaker. For details,
see Notes on charging.
Turns
off
The speaker is turned off.
Lights
up
The speaker is turned on.
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