Samsung HM1100 Manual page 13

Your headset supports the Simple Pairing feature which allows the headset to be
paired with a phone without requesting a PIN. This feature is available for phones
that are compliant with Bluetooth version 2.1 or higher.
The headset also can be paired via the Active pairing feature, see page 13.
Connecting with two Bluetooth phones
With the Multi-point feature activated, your headset can be connected with two
Bluetooth phones at the same time.
1 After connecting with the first Bluetooth phone, press and hold the Talk button
until the blue indicator light stays lit.
2 Press and hold the Volume up button to activate the Multi-point feature.
3
Activate the Bluetooth feature on the second Bluetooth phone and search
for the headset (see your phone's user manual).
4 Select the headset (HM1100) from the list of devices found by the second
Bluetooth phone.
5 Enter the Bluetooth PIN (0000, 4 zeros) to connect the headset to the phone.
6 Reconnect to the headset from the first Bluetooth phone.
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