Specifications

The PK-900 LCD bar-graph should be tuned so that the facsimile
signal is roughly centered in the display as shown in Figure 1a
below. If the audio frequency is too low, the bar-graph will look
something like Figure 1b. If the audio frequency is too high, it
will look something like Figure 1c. Facsimile tuning is not
especially critical when copying WEFAX, but a properly tuned signal is
needed when displaying facsimile photographs.
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Figure 1a. Properly Tuned
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Figure 1b. Frequency too low
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Figure 1c. Frequency too high
Figure 1: Facsimile tuning indicator conditions for FAX tuning
9.4.3 PK-900 Facsimile Parameter Settings
To start receiving WEFAX broadcasts on your computer screen, follow
the setup instructions in your PAKRATT WITH FAX program manual.
Now all that is necessary is to put the PK-900 into FAX mode by
typing FAX. The PK-900 will respond with:
Opmode now FAx
9.5 Receiving Facsimile Broadcasts
The PK-900 is now in the Facsimile Standby-Receive mode which means
it is waiting for a synchronization signal from a facsimile
transmitter to begin a new picture. Verify this by entering the
OPMODE command. The PK-900 should respond with:
Opmode FAX STBY RCVE
At this point make sure the receiver volume is high enough so that
the DCD LCD lights, otherwise nothing will be displayed. If you do
not want to wait for the beginning of a new picture, you may type
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