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Distinctive Ring Detector (DRD)
General Description
Your machine has a special feature in conjunction with an optional service provided by many local
telephone companies. It can distinguish up to 2 telephone numbers with a corresponding ring pattern
identifying each number. "DRD" lets you provide multiple phone numbers, one for your fax, business or
personal use with only one single phone line.
Please check with your local telephone company on the availability of this service in your area.
Your machine can be programmed to respond to only for the DRD Service. To select the corresponding ring
pattern for your fax number, refer to the Fax Parameter Table on page 36.
The following table shows a typical example with 2 telephone numbers on a single phone line.
Telephone No.
Usage
555-1111
Business
555-2222
Fax
The following illustration shows a typical set up, with your machine set to detect Type B (double ring) ring
pattern.
Dialling "555-2222"
1 "Riiing" means a long ringing sound and "Ring" means a short ringing sound.
NOTE
Distinctive Ring Sound
Riiing...............................Riiing................................
Ring...Ring.......................Ring...Ring........................
At Your Location with
Distinctive Ring Service
Ring..Ring.............Ring..Ring
A person recognizes the call
is for the fax machine by the
double ring pattern sound.
Ring..Ring.............Ring..Ring
The fax machine distinguishes
the call is for the fax by the
double ring pattern and answers
automatically.
Ring..Ring.............Ring..Ring
A person recognizes the call
is for the fax machine by the
double ring pattern sound.
Ring Pattern
Standard Ring
Double Ring
Fax No. "555-2222"
79
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