PK-232 MBX Operating Manual - N3UJJ

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FAXNeg ON|OFF
Default: OFF
Mode: FAX
Host: FN
_________________________________ Parameters: _________________________________
ON - The white and black senses are reversed
OFF - The white and black senses are normal
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One might use FAXNEG ON when receiving an image consisting mostly of black, as
in a satellite photo. In this case it might help to save your printer ribbon,
as well as accentuating features such as cloud cover.
FAXNEG ON is NOT the same as RXREV ON. RXREV reverses the entire signal,
including the sync pulses. FAXNEG keeps the sync pulses so that they can be
recognized, but reverses the image data.
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FEc
Immediate Command
Mode: AMTOR Mode B
Host: FE
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FEC is an immediate command that starts an AMTOR FEC (Mode B) transmission.
Use FEC for CQ calls in AMTOR. Be sure to include your SELCALL and MYIDENT code
in your CQ message so that the distant station can call you back in ARQ.
FEC is necessary for all round table AMTOR contacts. When operating in FEC, let
your PK-232 begin each transmission with three to five seconds of idling. The
RTTY practice of transmitting a line of RYRYRY is unnecessary on FEC.
You can signify the end of your FEC transmission by typing the changeover sign
"+?," internationally recognized as the RTTY equivalent of "KKK." However, in
FEC, "+?" is not a software command. You still have to un-key your transmitter
(with the RECEIVE or CWID characters or the RCVE command) as you would in RTTY.
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Flow ON|OFF
Default: ON
Mode: All
Host: FL
_________________________________ Parameters: _________________________________
ON - Type-in flow control IS active.
OFF - Type-in flow control is NOT active.
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When FLOW is ON (default), any character typed on your keyboard causes output
from the PK-232 to the terminal to stop until any of the following occurs:
o
o
o
o
o
o
A packet is sent (in Converse Mode)
A line is completed (in Command Mode)
The packet length (See PACLEN) is exceeded
The current packet or command line is canceled
The redisplay-line character is typed
The logical packet channel is changed
Setting FLOW ON prevents received data from interfering with your keyboard data
entry. When FLOW is OFF, data is sent to the terminal whenever it is available.
4/91 A-39
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