Nokia 9251888/1 ユーザーズマニュアル

If your phone supports last number 
redialing with the headset, press the 
answer/end key twice briefly while no 
call is in progress.

If your phone supports voice dialing 
with the headset, press and hold the 
answer/end key when no call in 
progress, and proceed as described in 
the user guide of your phone.

To answer or end a call, press the 
answer/end key. To reject the call, 
briefly press the answer/end key 
twice.

To switch the call between the 
headset and a compatible Nokia 

phone, press and hold the answer/end 
key.

To adjust the headset volume, press 
the volume key up or down.

To clear the settings, press and hold 
the power key and the answer/end key 
over 10 seconds.

To reset the headset if it does not 
function properly, although it is 
charged, plug the headset into a 
charger, and briefly press the power 
key and the answer/end key at the 
same time.

Your headset is powered by a 
rechargeable battery. The battery can be 
charged and discharged hundreds of 
times, but it will eventually wear out. 
Recharge your battery only with Nokia 

approved chargers designated for this 
headset.

Unplug the charger from the electrical 
plug and the headset when not in use. Do 
not leave a fully charged battery