SMT-i6020/6021 User Guide _35
Volume Control
The user can adjust the volume of a handset, speaker and tone sound.
Volume Control of a Handset
The user can adjust the volume in the following
way while making a call via a handset.
To increase the volume of a handset, press the
(+) of the [Volume] button.
To decrease the volume, press the (-) of the
[Volume] button.
Volume Control of a Speaker
The user can adjust the volume of a speaker in the following way while
calling.
To increase the speaker volume, press the (+)
of the [Volume] button.
To decrease the speaker volume, press the (-)
of the [Volume] button.