Nokia N-Gage Extended User Manual page 14

The loudspeaker needs to be activated separately each
time for phone calls, but the sound applications such as
Composer and Recorder use the loudspeaker by default.
Turning off the loudspeaker
• When you have an active call or music is playing,
select Options→ Activate handset.
Attaching and using the headset
You can listen to the FM Radio or the Music player in your
game deck with the supplied stereo headset HDD-2. To
make a call use the keypad. Once the call is established
you can use the headset to speak and listen to the other
party.
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To connect the HDD-2 headset
Insert the end of the black headset cable into the
connector (1) on the game deck. Similarly, insert the grey
headset cable into the connector (2).
The headset lead functions as the antenna of the radio, so
let it hang freely.
WARNING! Listening to music at a high volume
may damage your hearing. To adjust the volume level
when a headset is connected to your game deck, press
or .
WARNING! When using a headset your ability to
hear outside sounds is reduced. Do not use a headset
where it can endanger your safety.