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Service Manual for OF5800
Chapter 3 Adjustment Procedures
The DTMF output test permits the unit’ s DTMF tones to be monitored.
Note: To monitor the tones, an external monitoring device must be connected to the phone line jack.
1. Press PROGRAM, *, C, press PROGRAM twice, then press ENTER.
2. Pressing a button on the numeric key pad or one-touch button will produce DTMF tones according to the following table.
One-touch key Test function One-touch key Test function
0DTMF0 (941 Hz + 1336
Hz) *DTMF* (941 Hz + 1209
Hz)
1DTMF1 (697 Hz + 1209
Hz) #DTMF# (941 Hz + 1477
Hz)
2DTMF1 (697 Hz + 1336
Hz) AROW1 (697 Hz)
3DTMF1 (697 Hz + 1477
Hz) BROW1 (770 Hz)
4DTMF1 (770 Hz + 1209
Hz) CROW1 (852 Hz)
5DTMF1 (770 Hz + 1336
Hz) DROW1 (941 Hz)
6DTMF1 (770 Hz + 1477
Hz ECOL1 (1209 Hz)
7DTMF1 (852 Hz + 1209
Hz) FCOL2 (1336 Hz)
8DTMF1 (852 Hz + 1336
Hz) GCOL3 (1477 Hz)
9DTMF1 (852 Hz + 1477
Hz) HCOL4 (1633 Hz)
3. Press STOP to exit the test mode.
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