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Bluetooth Connection Procedure
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Activate Bluetooth mode on the loudspeaker.
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When Bluetooth mode is activated, the LED will start flashing blue.
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Select «Spectrum Square» from the list of Bluetooth devices available on your
smartphone or tablet.
•
Once «Spectrum Square» is selected, your device will be connected to the
loudspeaker.
•
The LED changes to a steady blue, indicating that the Bluetooth connection has
been successfully established.
Setting Up True Wireless Stereo (TWS) Mode
•
Switch on both loudspeakers in Bluetooth mode, without connecting them to your
smartphone.
•
Press and hold the source selection button (3) on the first loudspeaker for 1-2 se-
conds to set it as the master loudspeaker. The yellow LED flashes to indicate TWS
mode.
•
The master loudspeaker will automatically search for another nearby loudspeaker in
Bluetooth mode to set it as the slave loudspeaker. Once paired, the yellow LED will
light continously.
•
Connect one of the loudspeakers to your smartphone via Bluetooth. The two louds-
peakers will now play together. Note : Both loudspeakers control the overall volume.
•
The master loudspeaker is the left channel (L), and the slave loudspeaker is the right
channel (R). Choose which will be the master (L) and which will be the slave (R) in
step 2.
To disconnect paired TWS loudspeakers :
•
First disconnect Bluetooth from your cell phone.
•
Press and hold the source selection button on one of the paired loudspeakers in TWS
mode for 1-2 seconds. This will terminate the TWS pairing.
Loudness mode
This mode designates a physiological corrector and is recommended when listening at
low or moderate levels. Indeed, human hearing at low levels perceives better the median
frequencies (voice frequencies) than the bass and treble frequencies (FLETCHER-MUN-
SON curves). At moderate levels, the perception gap is smaller but still effective.
Spectrum Square
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