Specifications

PK-232 OPERATING MANUAL COMMAND SUMMARY
Vhf ON/OFF Default: ON
Mode: Packet Host: VH
Parameters:
ON — Packet tones are shifted 1000 Hz.
OFF — Packet tones are shifted 200 Hz.
Use the VHF Command for immediate software control of the PK-232's modem tones.
Changing components or switch settings is not required.
Set VHF ON for VHF operation (default), and set VHF OFF for HF packet operation.
NOTE: Be sure to change HBAUD to 300 bauds when operating below 28 MHz.
WHYnot ON/OFF Default: OFF
Mode: Packet Host: WN
Parameters:
ON — The PK-232 generates a reason why received packets were not
displayed.
OFF — This function is disabled.
During packet operation, the PK-232 may receive many packets that are not
displayed. Turning WHYNOT on will cause the PK-232 to display a message
explaining the reason the received packet was not displayed to the screen. The
messages and their meanings are shown below:
PASSALL: The received packet frame had errors, and PASSALL was off,
preventing the packet from being displayed to the screen.
DCD Threshold: The Threshold control was set too far counter clockwise. The
DCO LED was off when the packet was received.
MONITOR: The MONITOR value was set too low to receive this frame.
MCON: MCON was set too low to receive this type of frame.
MPROTO: MPROTO was set to off, and the received packet was probably a
NET/ROM or TCP/IP frame.
MFROM/MTO: The frame was blocked by the MFROM or MTO command.
MBX: The call sign of the sending station does not match the call
sign setting in the MBX command.
MBX Sequence: The frame was received out of sequence, probably a retry.
Frame too long: Incoming packet frame longer than 330 bytes. Probably a non-
AX.25 frame.
Frame too short: Incoming packet frame shorter than 15 bytes. Only seen if
PASSALL ON. Probably noise.
RX overrun: Another HDLC byte was received before we could read the
previous one out of the HDLC chip.
2/93 A-80
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