Honeywell RDWL313A2000 - Setup and Operation Details; Customize Lights and Volume; Installation Guidelines

3
Installation
Choose a location that is not near a heat source or on something that moves
(like a door). For non-mounting locations, choose a place where the doorbell
will be easy to see and hear.
Change the Light Setting

when the doorbell rings.
Press the Sunlight button
1 time 2 times
Top lights only No lights.
Adjust the Volume
Press the Volume Up or Volume Down buttons to adjust
the volume of the Doorbell.