Samsung HM6450 Manual page 18

Turning the voice prompt on or off
To turn voice prompts on
In Pairing mode, press and hold the Volume up button for 4 seconds. You will
hear "Voice prompt is on" from your headset.
To enter Pairing mode, see page 18.
To turn voice prompts off
In Pairing mode, press and hold the Volume down button for 4 seconds.
You will hear "Voice prompt is off" from your headset.
You can also use the voice command "Voice prompt".
The following voice prompts are available depending on the status:
Status
When you enter Pairing
mode
When you enter Active
pairing mode
When Active pairing fails
16
Voice prompt
"Ready to pair. Search for the headset from
the Bluetooth menu. Enter 0000 if prompted for
a PIN"
"Active pairing mode"
"Active pairing failed"