Canon FAXPHONE B640 User Manual page 83

6
Use [ ] or [ ] to select ON.
7
Press [START/COPY].
8
Use the numeric buttons to enter a new ring
count, for example 3.
9
Press [START/COPY].
10
Press [STOP] to finish registration and return to
standby mode.
74
ON
DATA ENTRY OK
RING COUNT
2
3
DATA ENTRY OK