Motorola StarTAC 3000 Owner's Manual page 35

Tone Controls
If you need some privacy while a call is in progress, try muting
the microphone–you will be able to hear the person on the
other end, but he or she will not hear you.
ƒ
1. Press
2. Press ƒ
then press
fl
mute the microphone.
then press
fl
your conversation.
You will see:
to
M<utE
again to resume
Muting
the
Microphone
35