About your 413X/414X handset
A 
C 
B
D F G H
I
JL
K
E
AMessage indicator light Flashes when you have a message waiting.
BVolume control
Adjusts the handset and ringer volume.
CDisplay
Shows call information, handset status icons, and guides you through features and option menus.
DHeadset connector
Only available on handset 414X.
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