10
OTS POWERCOM
CHANNEL
channels 1, 2, 3, and 4 (PowerCom 3000D), or 1, 2, 3, 4, 5, 6, 7,
and 8 (PowerCom 5000D), depending on which system you have.
Depress the PTT button when you hear the channel you want.
After you have made the selection, the transceiver will repeat your
selection then exit.
Channel Number Frequency
Channel 1 32.768kHz Upper Sideband
Channel 2 32.768kHz Lower Sideband
Channel 3 31.250kHz Upper Sideband
Channel 4 31.250kHz Lower Sideband
Channel 5 28.500kHz Upper Sideband
Channel 6 28.500kHz Lower Sideband
Channel 7 25.000kHz Upper Sideband
Channel 8 25.000kHz Lower Sideband
VOLUME
There are two selections for Volume, “Receive” and “Side”.
Receive is how loud you hear the audio from incoming
transmissions on the Earphone/Microphone Assembly. Side, or
Side Tone, is how loud you hear yourself. Side Tones is also useful
where you are not transmitting, you will not hear yourself through
the Earphone/Microphone Assembly. Recieve and Side Tone have
four settings.
SQUELCH
The “Squelch” option is designed to help eliminate background
noise. Unfortunately, there are a lot of noises in the spectrum
especially shrimp, can be considerable and sounds like “static”.
Mechanical noise can come from numerous sources such as boat
engines, compressors, generators, jet skis, and even rain can
be heard though the PowerCom if the signal is in the ultrasonic
frequency.
Think of Squelch as a gate that allows only the strong signal of
other divers or the surface station through to your Earphone/
Microphone Assembly. If the water is particularly “noisy” you may
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