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SMT-i5243 User Guide _37
Volume Control
The user can adjust the volume of a handset, speaker and tone sound.
Volume Control of a Handset
1
The user can adjust the volume in the following
way while making a call via a handset.
2
To increase the volume, press the upper part (+)
of the [Vol] button.
3
To decrease the volume, press the lower part (-)
of the [Vol] button.