Snohomish County PUD Radio Operations Manual • Rev. 6/03
84
Section VI
Interpreting the Mobile Radio Alert Tones
Alert Tone Description Refer To
Successful Power-up A short, medium-pitched tone when
the radio is first turned on indicates
that the radio has passed its power-
up self-test and is ready for use.
Unsuccessful Power-up A short, low-pitched tone when the
radio is first turned on indicates that
the radio has failed its power-up self-
test and is not ready for use.
Invalid Mode A continuous, low-pitched tone is
heard when an invalid or unpro-
grammed operation is attempted on
the radio.
Valid [Good] Key Press A short, medium-pitched tone when
a keypad is pressed indicates that the
key press was accepted.
Invalid [Bad] Key A short, low-pitched tone when a
keypad key is pressed indicates that
the key press was rejected
Emergency Alarm/ A continuous, medium-pitched tone
Call Exit when the Emergency Button is
pressed indicates that the radio has
entered the emergency mode.
Failsoft A faint “beeping” tone every 10 sec-
onds indicates that the radio is oper-
ating in the failsoft mode.
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