Panasonic UF-E1 Service Manual page 152

UF-E1
6.3.2 Remote Reception
(1) General Description
This feature allows the operator to activate the fax unit remotely, from an extension phone. This feature
available on DTMF phones.
(2) Limitation of Detection
The machine detects the signal to start fax communication by the integration time between the pressing of
the * key as shown below.
T1 : Integration time to press the * key
T2 : No signal detection time
T3 : Waiting time for the * key to be pressed a second time
<Limitation of Detection>
1. T3 timer is the waiting time between the first and second time the * key is pressed.
2. * signal detected in T2 timer is ignored.
3. Ignore the signals other than * detected in T2 timer. Then, wait for next * signal.
4. Ignore the signals other than DTMF detected in T3 timer. Then, wait for the next * signal.
5. If other than * signal is detected, re-start the detection sequence from the beginning.
6. If the T3 timer elapses without detecting a second *, re-start the detection sequence from the beginning.
*
T1 : 50 ms
T2 : 10 ms
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*
T3 : 3 sec.