AT&T Merlin Legend MLX-10 User Manual page 86

Features
To Turn Headset/Handset Mute On
and Off
To turn on, press Headset/Handset
1.
the headset or handset.
The red light next to the button goes on, and
you.
To turn off, press Headset/Handset
2.
The red light next to the button goes off, and
Mute while using
the caller cannot hear
Mute again.
the caller can hear you.
Headset/Handset Mute
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