Specifications

Bit 7, position $0080: If bit 7 is set to 0 (default), the PK-232 prints
the ..-- Morse character as ^. If bit 7 is set to 1,
the PK-232 decodes ..-- as a carriage return.
Bit 8, position $0100: If bit 8 is set to 0 (default), MORSE will configure
the PK-232 filters for CW as before. If bit 8 is set
to 1, MORSE configures the filters for FSK (two-tone)
operation, in both receive and transmit. WIDESHFT,
RXREV and TXREV are active.
Bit 9, position $0200: Bit position 9 does for AMTOR what WRU does for Baudot
and ASCII. If bit 9 is set to 1 (default), a FIGS-D in
ARQ causes the unit to become the ISS, transmit the AAB
string, then revert back to the IRS. If bit 9 is set
to 0, then a received FIGS-D will have no effect.
Bit 10, position $0400: If bit 10 is set to 0 (default), then host polling is
as before. If bit 10 is set to 1, then any change in
status (e.g. Idle to Tfc) in AMTOR, FAX, TDM or NAVTEX
causes the PK-232 to issue the following host block:
SOH $50 n ETB
where n is $30-36, the same number that the OPMODE
command furnishes. This block is subject to HPOLL.
Bit 11, position $0800: If bit 11 is set to 1 (default), a connected message
appears when an ARQ link is first established using
seven-character SELCALLs (CCIR 625). If bit 11 is set
to 0, no connected message appears at the beginning of
ARQ communications.
Bit 12, position $1000: If bit 12 is set to 0 (default), the Packet Morse ID
(MID) is on/off keying of the low tone. If bit 12 is
set to 1, the Morse ID is sent in 2-tone FSK with the
low tone being key-down and the high tone representing
key-up. Use this setting to keep other stations from
sending a packet during the Morse ID.
Bit 13, position $2000: If bit 13 is set to 0 (default), MailDrop connect
status messages are always sent to the local user,
regardless of the setting of MDMON. If bit 13 is set
to 1, remote user dialog and connect status messages
with the MailDrop are shown only if MDMON is ON.
Bit 14, position $4000: If bit 14 is set to 0 (default), the transmit buffer
for data sent from the computer to the PK-232 in packet
mode is limited only by available PK-232 memory. If
bit 14 is set to 1, the serial flow control will permit
only a maximum of 7 I-frames to be held by the PK-232
before transmission. This solves a problem with the
YAPP binary file transfer program which relies on a
small TNC transmit buffer to operate correctly.
Bit 15 is unused at the present time. To return CUSTOM to the default setting,
type CU Y or CU ON at the command prompt.
8/91 A-33
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