Panasonic KX-TGM420 Operating Instructions Manual page 108

Main menu:
Sub-menu
1
Ring
adjustment
108 | P a g e
"Settings"
Sub-menu
2
Ringer
volume
(Incoming)
• Handset
Ringer
volume
(incoming)
• Base
unit*1
Intercom
ringer
volume
• Handset
Intercom
ringer
volume
• Base
unit*1
Settings
Off-6 <6>
Off-10 <1> #*160
1-6 <6>
1-10 <1>
Code
#160
#175
#*175
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