Specifications

If the tuning indicator looks like the one below, the audio
frequency from your speaker is too high for the PK-900 to copy
packets. Slowly tune the VFO and make the frequency lower.
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MARK |         | SPACE
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Tuning too high for discriminator indicator (BAR 0)
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|           |
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Tuning too high for magic eye indicator (BAR 3)
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|   |
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Tuning too high for center tune indicator (BAR 2)
o Adjust the volume on the receiver so that the DCD LCD lights
when a properly tuned packet is being received.
You must also make certain that the DCD LCD goes out when no
packet signals are present on the frequency.
After you have a packet station tuned in, you should start seeing
HF packet stations on your display.
4.7.5 Transmitter Adjustments
Make sure your PK-900 is adjusted for your SSB transmitter as
described in section 3.5 and 3.5.2 of this manual before transmitting.
These are very critical adjustments. If the AFSK level and
transmitter microphone gain are not adjusted properly, other stations
will not be able to copy your packets. Check your plate or collector
current or the power output of your rig before going on the air.
4.7.6 Going On The Air
Make sure your transmitter and antenna are tuned and adjusted for the
band and operating frequency you are using.
On HF there are two ways you can go about talking to another station.
o First, you can look at the packets you have just MONITORED
(or in your MHEARD list) and choose one of them to connect to.
o You can also "Call CQ" by entering the CONVERSE mode and pressing
the <Enter> key a few times.
Either way you decide to go on the air, remember that things happen
much more slowly on HF packet than they do on VHF packet. HF packet
requires patience and careful tuning in order to be used successfully.
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