Snohomish County PUD Radio Operations Manual • Rev. 6/03
26
Section II
Transmission Procedures
Transmitting
Yo u D o T h e Radio Does
1. Press and hold the PTT Switch on
the side of the radio. Wait until you
hear the 4 quick beeps, telling you
that the computers have assigned
you a channel. Speak slowly and
clearly into the microphone area.
If you hear a busy signal, release
the PTT Switch and wait for a call-
back tone.
When you hear the call-back tone,
you will have three seconds to press
the PTT Switch, allowing you to
make your call without getting
another busy signal.
If a continuous talk-prohibit tone
is heard when the PTT Switch is
pressed, transmission is not
possible.
If the radio is out of range, check
the coverage chart for the closest
place where you can be within
range.
Pressing the PTT Switch when
you are already in queue may
cause you to miss this allocation.
2. Wait until you hear the 4 quick
beeps, telling you that the compu-
ters have assigned you a channel.
The red LED will be lit while the
radio is transmitting.
Busy Signal = a low-frequency
‘bah-bah-bah-bah.”
Call Back Tone - sounds like
“di-di-dit.”
Talk-Prohibit Tone = continuous
tone. The radio may be out of range
or there is no channel available.
The display shows “OUT OF
RANGE.”
If no channel is available, the com-
puter system will remember your
request and allocate the first avail-
able channel to you.
When the computer has allocated a
channel to you, you will hear 4
quick beeps.
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