Ricoh RN-MF1 Service Manual page 101

Fax Maintenance
Silence Detection
Time
RX Settings
CNG Tone
Detection Time
CNG Cycles
Tone Sound
Monitoring
Stop/Clear key
RX Settings
Off-Hook Level
Silence (No tone) detection time (Rx mode : FAX/ TAD
Only)
After the line is connected via the external telephone,
the machine can detect silence (no tone) for the time
length specified by this setting.
[30 sec (Default)]
CNG tone detection time ( RX mode : FAX / TEL, FAX /
TAD Only)
After the line is connected via the external telephone,
the machine can detect a CNG signal for the time length
specified by this setting.
[5 Sec (Default)/ 10 Sec]
Number of CNG cycles to be detected
This setting is only effective for FAX/TAD mode.
[1.5 Cycle (Default)/ 2.0 Cycle]
Determines the period when tones from the line are
monitored.
[No Monitoring/ Up To Phase B (Default)/ All TX
Phases]
Pressing the Stop/Clear key can stop the current
receiving operation. Received data is lost.
[Not Functional (Default)/ Functional]
Sets the off-hook detection threshold.
[10V (Default)/ 15V/ 20V/ 25V 35V]
"Telephone" was indicated by malfunction when
receiving the fax message with some PABX. Some PABX
may output more than 25V to the FAX input line.
Selecting [35V] for [Off-hook level] by the fax
maintenance mode.
Service Program Mode
5
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