Filter
Top Products
5
6
7
8
Features
7
Base Side and End
1. Ringer Off/On
2. Volume Up
3. Volume Down
4. Ring Style
5. Pulse/Tone
6. BOOST On/Off
7. AC (Electrical) Adapter Jack
8. Telephone Line Jack
RINGER
O
FF ON
VO
LUM
E
RING STYLE
1
2
3
4
E
N
G
L
I
S
H
Clarity 420 Telephone User Manual