BENDIXKing AeroNav 910 Pilot's Manual page 227

TIPS AND TECHNIQUES
Adjusting Volume Plays Audio Test Aural
As the volume bar for the traffic alerts is adjusted,
the AeroNav will play a double chime that represents
the new volume level selected. As the volume bar
for the other aural alerts is adjusted, the AeroNav
will play an aural that represents the new volume
level also.
89000039-010
Rev 1 May 2019
AeroNav 900/880 Series Pilot's Guide
Aux Subsystem 5-3