Specifications

PK-232 OPERATING MANUAL PACKET RADIO
4.8.3 The ALTMODEM Command
The PK-232 has the ability to connect an optional 2400 bits/sec DPSK modem
that can be factory installed. This command is ONLY used to select this
modem if it has been installed.
4.8.4 The CFROM Command
If you ever want to limit the number of stations or exclude certain
stations from connecting to you you may do so with the CFROM Command.
4.8.5 Operating in Full-Duplex
Most packet operation is carried on over Half-Duplex transceivers that can
only transmit or receive but not do both at the same time. In some
systems where a separate transceiver and receiver is used such as
satellite operation you may want to take advantage of the FULLDUP Command
in the PK-232.
4.8.6 Identifying as a digipeater
If your PK-232 is being used as the primary digipeater in a local area,
you may want to enable the HID command. HID will automatically identify
your station for others to see.
4.8.7 Digipeater Alias Callsign
If your packet station is being used as the primary digipeater in your
local area, you may want to choose a simpler identifier for others to use
with the MYALIAS Command.
4.8.8 Morse ID in Packet
In most countries packet is an accepted mode of identification so this
command should be left OFF. In some countries however a Morse ID is
required when packet is used and so the MID command should be enabled.
4.8.9 Sharing Packet Channels with Voice Operation
Although it is seldom needed, the PK-232 does have an input for SQUELCH
information from a transceiver on the RADIO connectors. This input should
be used and the SQUELCH command set if the packet channel is to be shared
with voice operation.
4.8.10 Disabling Transmit Operation
Occasionally for test purposes it may be desired to disable the PTT
circuit in the PK-232. This can be done with the XMITOK Command.
4.8.11 The Packet ORA Feature
The PK-232 recognizes UI frames with a destination field of 'QRA" and will
respond by sending an ID packet. This is helpful for others new to your
area that are looking for other packet stations to talk to. To disable
this feature and remain anonymous, simply set user BIT 22 OFF (UBIT -12
OFF). The default is ON.
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