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Putting the headset into operation
12 | Presence
Battery level indicator displayed on Apple iPhone
When the headset is paired with an iPhone, the iPhone screen shows an
additional battery level indicator for the headset.
Pairing the headset with Bluetooth devices
The headset complies with the Bluetooth 4.0 standard. In order that data
can be transmitted wirelessly using Bluetooth technology, you have to
pair your headset with Bluetooth devices that support the “hands
free profile” (HFP), the “headset profile” (HSP) or the “advanced audio
distribution profile” (A2DP).
The headset can save the connection profiles of up to eight Bluetooth
devices with which it has been paired. After switch-on, the headset
automatically tries to connect to the two last connected Bluetooth
devices. You can only connect a third Bluetooth device after having
switched off the first or the second Bluetooth device.
If you pair the headset with a ninth Bluetooth device, the saved connection
profile of the least used Bluetooth device will be overwritten. If you want
to re-establish a connection with this Bluetooth device, you have to pair
the headset again.
Using the headset with a PC and a Bluetooth USB dongle
To use the headset with a softphone, you either require a PC supporting
Bluetooth or an additional Bluetooth USB dongle (wireless audio
transmitter and receiver).
The BTD 800 USB Bluetooth USB dongle is supplied together with the
Presence UC variants. Bluetooth USB dongles for the other Presence
variants are available from your Sennheiser partner (e.g. BTD 500 USB).
To use the headset with a Bluetooth USB dongle:
왘 Plug the Bluetooth USB dongle into the USB port of your PC.
왘 Follow the instructions in the next chapter, as well as those given in the
instruction manual of your Bluetooth USB dongle.
CAUTION
Danger of malfunction!
The transmitted radio waves of mobile phones can impair the operation of
sensitive and unprotected devices.
왘 Only make calls with the headset in locations where wireless Bluetooth
transmission is permitted.
paired
paired +
connected
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