Privacy button should be
in the Toggle/select “out” position
Volume control should be adjusted to the 2:00 position
Normal Mode of Operation
First
Turn on Power
Tone Button selects Music, Intercom and Master Volumes
Volume buttons should be set to level 24 for Music, Intercom and Master Volume settings
2:00
All Selector Switches should be set to RADIO/INT mode (as shown in diagram)