Specifications

If the tuning indicator looks like the one below, the frequency
from your speaker is too low for the PK-900 to copy the signal.
Slowly tune the VFO and make the frequency higher.
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MARK |        | SPACE
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Tuning too low for discriminator indicator (BAR 0)
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|          |
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Tuning too low for magic eye indicator (BAR 3)
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|   |
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Tuning too low for center tune indicator (BAR 2)
If the tuning indicator looks like the one below, the frequency
from your speaker is too high for the PK-900 to copy the
signal. 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 front panel THRESHOLD control so that the DCD LCD
lights when a properly tuned RTTY station is being received.
HINT: If you adjust the volume control so the DCD LCD goes out
when no station is being received, you will prevent garbage
characters generated by noise from printing on your screen.
3/93 10-3