Phonetics SENSAPHONE 1100 Owner's Manual page 37

phone.
9. Time. This command allows you to set the 1100's built-in clock.
10. Listen-in time. The Model 1100 allows you to listen in to sounds at
the monitor site through its built-in microphone when you call in for a
status report. This parameter allows you to determine the amount of time
for sound monitoring.
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