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To select a personalized 
ringing pattern (for those 
8434DX voice terminals 
which have a   
button)
1 While on-hook, press 
• Red light next to   winks
• Current ringing pattern plays and repeats every 
three seconds. 
• The display shows the ringing pattern you are 
hearing, such as:
2 Cycle through the ringing patterns by pressing (and 
then releasing) 
• Red light next to   continues to wink
• The display shows the number of the ringing 
pattern you have selected
Note:  You can also press   or  ) to 
cycle through all eight ringing patterns
3 If you want to save the ringing pattern currently 
being played, don’t press   anymore. You will hear 
the selected ringing pattern two more times, and then 
it will be automatically saved.
Ring
Ring
SELECT RING PATTERN: 1
Ring
Ring
Next
Prev
Ring
• You hear confirmation tone (two rising tones)
• Red light next to goes   off
Note:  If you receive a call, go off-hook, or lose power 
during selection, the process is interrupted and you 
must start again.
To adjust ringer volume
if necessary (handset and 
speaker are not active, or 
the handset and ringer 
are both active)
1 To raise the volume, press the right half of the 
Volume control button labeled  ;
to lower the volume, press the left half of the 
Volume control button labeled 
Ring