Nokia N82 - Manual (Page 26)

Do not connect products that create an output
signal as this may cause damage to the device. Do
not connect any voltage source to the Nokia AV
Connector.
When connecting any external device or any
headset, other than those approved by Nokia for
use with this device, to the Nokia AV Connector, pay
special attention to volume levels.
Volume and loudspeaker
control
To increase or decrease the volume level when you
have an active call or are listening to a sound, use
the volume key.
The built-in loudspeaker
allows you to speak and
listen from a short
distance without having to hold the device to your
ear.
Warning: Do not hold the device near your
ear when the loudspeaker is in use, because the
volume may be extremely loud.
To use the loudspeaker during a call, select
Options > Activate loudspeaker .
To turn off the loudspeaker, select Options >
Activate handset .
Offline profile
To activate the offline profile, press the power key
briefly, and select Offline . Or, press , and select
Tools > Profiles > Offline .
The offline profile lets you use the device without
connecting to the wireless network. When you
activate the offline profile, the connection to the
wireless network is turned off, as indicated by in
the signal strength indicator area. All wireless RF
signals to and from the device are prevented. If you
try to send messages, they are placed in the outbox
to be sent later.
When the offline profile is active, you can use your
device without a SIM card.
Important: In the offline profile you cannot
make or receive any calls, or use other features that
require cellular network coverage. Calls may still be
possible to the official emergency number
programmed into your device. To make calls, you
must first activate the phone function by changing
profiles. If the device has been locked, enter the lock
code.
When you have activated the offline profile, you can
still use the wireless LAN, for example, to read your
e-mail or browse on the internet. Remember to
comply with any applicable safety requirements
when establishing and using a wireless LAN
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Your device