Tone (Tel/Fax) - Oki OKIFAX 5750 Service Manual

6.12 Tone (TEL/FAX)

1. Purpose
To check the pseudo-ring back tone of TEL/FAX automatic switching.
2. Procedure
Note1:
This testing is continued until STOP key is pressed.
Note2:
This mode can not be selected when ISDN board is installed.
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Service Guide OKIFAX 5750/5950
Chapter 6 Cleaning and Maintenance
Page: 210