Motorola RMU2040 Quick Reference page 103

RM SERIES
Power up Audio Announcement
To cycle through the Power
up Audio Announcement
options power the radio while
pressing SB1, SB2 at the
same time.
OPTIONS:
1. Channel #
2. Battery level + Channel #
3. Silent
On/Off
Volume Knob
SB1 – Monitor Button
SB2 – Channel Select