Adjusting The Volume - Samsung SGH-E310C Manual

Call functions
Making a call from phonebook
You can store phone numbers that you use regularly
in the SIM card or in the phone's memory, which are
collectively called Phonebook.
Once you have stored numbers in Phonebook, you
can dial a number by pressing a few keys or assign
your most frequently-used numbers to number keys
using the Speed dial feature.
For further details about the Phonebook feature, see
page 32.

Adjusting the volume

During a call, if you want to adjust the earpiece
volume, use the Volume keys on the left side of the
phone.
Press the key to increase the volume level and the
key to decrease the level.
In Idle mode, you can also adjust the keypad tone
volume using these keys.
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