C-Music By Celestion - BA28
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3 Operating BA28 on Battery Power
BA28 can operate for 12 hours on two fully charged battery packs and 6
hours on one battery pack.
The battery pack in slot A always has higher priority than slot B. The
battery pack in slot A is always used or charged first when the device is
connected to power supply with two battery packs installed.
BA28 promptly switches to the battery pack in slot B when the battery
pack in slot A is depleted.
Charging Batteries
Battery packs may be charged in the slot on BA28 or in an optional
quick charger. It takes around 5 hours to fully charge one completely
empty battery in the BA28 slot and around 10 for both, regardless of
whether BA28 is on or off. In other words, you can operate BA28 at
full power using the mains adapter and charge the battery pack at the
same time.
The optional quick charger charges the battery pack in around 2 hours.
Hot Swap Option
You can change batteries seamlessly while BA28 is operating. If BA28
switches to battery pack B because battery pack A is depleted, you can
remove battery pack A without turning off the unit and insert a third
battery pack (optional), into slot A. If necessary, you can also change
battery B once the device detects battery A. You can hot-swap the
battery pack without disturbing the audio input and output, including
the BT streaming signal.
Remarks: You can hot-swap battery packs even if you only have 2
battery packs.
If the device indicates the charge is running low while you are operating
it with just one battery:
1. Insert the second fully charged battery pack into the free slot, wait
until it is detected.
2. Remove the drained battery pack.
3. Charge it at the nearest power outlet using the external quick
charger.
Remark : Hot-swap function can only be applied when the battery
pack’s power is over 30%.
LED Indicators
The two LEDs on the battery slot serve two purposes:
When operating BA28 on battery power:
When batteries are inserted
and BA28 is switched on, the LEDs indicate which battery is currently
supplying voltage and is being drained. Just one LED flashes as just one
battery provides power at any one time. The other LED for the battery
that is on standby lights up continuously to indicate it is ready to
operate. The LED does not light up if the slot is empty or a battery has
not been detected.
When operating BA28 on mains power: A flashing LED indicates which
battery is currently being charged. The flashing stops and the LED
lights up continuously when the battery is fully charged.
The LEDs’ color indicates the charging status.
Green: 100 – 60% • Yellow: 60 – 30% • Red: 30 – 0%
4 Bluetooth
Pairing a Bluetooth-Enabled Device
• Press the Pairing button for 2 seconds
• The blue Bluetooth LED flashes slowly and BA28 shows
up in the Bluetooth-enabled device’s selection list for 60
seconds
• Select “C-Music BA28 XXXX” on the Bluetooth device to
pair the devices
Remark : XXXX is the ID number (a combination of alphabet and
numbers) randomly generated for each BA28 unit, you can change the
Bluetooth name of BA28 via the setting page in our free BA28 Remote
APP.
• After 60 seconds, the LED will turn off, you have to restart the pairing
process if the connection failed.
The BT / Aux In Bluetooth LED on BA28 lights up blue as soon as the
devices are paired and remains solid blue.
Pairing a Bluetooth Device Automatically
The next time you power up BA28, the system will search for the most
recently paired device for 10 seconds and connect to it automatically.
If BA28 cannot discover the device in 10 seconds, you have to pair the
Bluetooth-enabled device manually.
Switching to Another Bluetooth Device
You cannot switch to another Bluetooth device while a Bluetooth device
is connected or the BA28 is searching for the most recently connected
device.
You will have to repeat the pairing steps, unpair the current device,
then connect the other device.
Remarks: BA28 will only reconnect to the most recently paired device,
previously paired device will not be reconnected automatically.
Range
BA28 supports Bluetooth 5.0 . Bluetooth 5.0-enabled devices’ range
can extend up to 40 meters. Devices that do not support Bluetooth 5.0
typically run up to 10 meters, but it depends on factors such as the
given device’s quality, transmission power and current environment. For
example, walls obstructing the transmission path or a protective cover
on the Bluetooth device impede radio communication. The streaming
signal drops out if the device moves out of range or behind walls that
block the path. The connection re-establishes automatically if you bring
the Bluetooth device back in range within 60 seconds, in which case the
Bluetooth LED will become solid blue again.
Bluetooth Audio Stream Stutters or Drops Out
A cable is less susceptible to interference than Bluetooth, which has
to send a constant stream of audio data via a radio frequency. To get a
good audio stream without any glitches, it is best to align BA28 and the
source device in line of sight of one another.
Remark: Your source device may be set up to issue ringtones,
notifications and system sounds. The speakers will render these sounds
along with the audio stream if they arrive via Bluetooth, so be sure to
disable these functions on your Bluetooth device.
To learn more about Bluetooth, visit www.bluetooth.org.
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