Motorola RMU2040 Quick Reference page 111

RM SERIES
Advanced Configuration
1) Press PTT to cycle
through to the
Radio Internal
Microphone
sensitivity menu
2) Default value is
Medium (2) you can
select Low (1) or
High (3) by pressing
<A or B>
IMIC
PROG
2
Applies to RMU2080d
Freque
ncy
Weath
er
Auto
Scan
CH 1
ACC
Mic
Sens
Radio
Call
Mic
Tone
Sens
< A – Decrease
B > – Increase
Code
Scram
ble
Active
Chann
el