Activate or deactivate voice
prompts
Make sure the headset is switched off 
and not placed in the clip or car 
cradle. Press and hold the 
multifunction key for about 5 seconds, 
ENGLISH
and press and hold the multifunction 
key again for about 2 seconds.
When you activate the prompts, the 
green indicator light flashes once. 
When you deactivate the prompts, the 
yellow light flashes once. In both 
cases, there is also an audible 
notification.