Snohomish County PUD Radio Operations Manual • Rev. 6/03
17
Section II
Alert Tone Description Refer To
Emergency Alarm/ A continuous, medium-pitched
Call Exit tone when the radio is in the emer-
gency mode indicates that the radio
has exited the emergency mode.
Failsoft A faint “beeping” tone every ten
seconds indicates that the radio is
operating in the failsoft mode.
Time-Out Timer Warning Your radio’s time-out timer limits
the length of your transmission
time. When you are pressing the
PTT Switch [transmitting], a
short, low-pitched warning tone
will sound four seconds before
the allotted time will expire.
Time-Out Timer If you hold down the PTT Switch
Timed-Out longer than the time-out timer’s
allotted time, a continuous, low-
pitched tone will sound, indicat-
ing that your transmission has
been cut off. This tone will continue
until the PTT Switch is released.
Phone Busy A “bah-bah-bah-bah” tone when
telephone interconnect is ac-
cessed indicates that all available
lines are busy and the radio is in
queue for the next available
phone line.
Section III:
Emergency
Operations
Section I:
What Happens
When the
Computer
System Fails?
Section II:
Telephoning
Procedures
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