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THSHELP.MSG
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1989-08-17
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``CONNECT
The CONNECT command is used to initiate a link connection.
A CONNECT command
may be issued on a channel already in use to change the
digipeater callsigns, but not the destination callsign. A CONNECT
command issued when channel 0 is selected sets the unproto path.
``DISCONN
The DISCONN command is used to initiate a link disconnection.
If there is unsent or unacknowledged information remaining, the
disconnect request frame will not be sent until all information
has been transmitted and acknowledged. No additional information
will be received after the DISCONN command has been issued. A second
DISCONN command may be entered to force the transmission of the
disconnect request frame before all information has been sent and
acknowledged. A DISCONN command issued during the establishment of a
link or after a disconnect request frame has been transmitted
will cause an immediate return to the disconnected state. A DISCONN
command issued on a disconnected channel will re-initialize the
connection dependent parameters to the values stored in channel
0.
``FRACK
The FRACK command is used to set the frame acknowledgement
interval. This interval is used to compute the timeout interval
before a packet is retransmitted, using the formula:
~
~time (seconds) = frame ack * (2 * number of digipeaters + 1)
~
A separate frame acknowlegement interval value is maintained for
each connection channel. The value stored in channel 0 is used
to initialize each connection channel upon power up or
disconnection.
``MYCALL
The MYCALL command is used to set the tnc source callsign. The
initial value is all blanks. Changing the tnc source callsign
while connected is not permitted. If the tnc source callsign is
left blank, the tnc will not allow connect commands or unproto
transmissions. The callsign stored in channel 0 is used to
initialize each connection channel upon power up or
disconnection.
``MONITOR
The MONITOR command is used to set the frame monitoring mode.
The command parameter determines the types of frames monitored,
and is a list of desired frames chosen from the letters in the
following table:
~
~ LTR FRAME
~ --- -----
~ N None
~ I I frames
~ U UI frames
~ S Supervisory frames
~ + Call signs to be included (maximum of 8)
~ - Call signs to be excluded (maximum of 8)
~
The '+' and '-' parameters may not be used together. If either
is used, it must be the last parameter (followed by one to eight
callsigns, if applicable). If no list of callsigns is specified
to be included or excluded, all callsigns will be candidates for
monitoring. Entering a '+' or '-' with no callsigns will empty
the list.
``RETRY
The RETRY command is used to set the maximum number of times a
frame will be transmitted without receiving an appropriate
acknowledgement, before a link failure is assumed. A separate
maximum number of tries value is maintained for each connection
channel. The value stored in channel 0 is used to initialize
each connection channel upon power up or disconnection.
``MAXFRAME
The MAXFRAME command is used to set the maximum number of
unacknowledged I frames that may be outstanding at any one time.
A separate maximum number of unacknowledged I frames value is
maintained for each connection channel. The value stored in
channel 0 is used to initialize each connection channel upon
power up or disconnection.
``PERSIST
The PERSIST command is used to set the p-persistence value.
P-persistence is used during simplex operation as a means of
channel arbitration. Whenever there are frames to be
transmitted, the tnc first waits for a clear channel. Once the
channel is clear, a random number between 0 and 255 is generated.
If the random number is less than or equal to the p-persistence
value, the PTT line is asserted and transmission begins.
Otherwise, the tnc delays for the slot time interval set by the
SLOTTIM command and the entire process is repeated.
``DIGIPEAT
The DIGIPEA command is used to enable or disable the digipeating
of frames.
``TXDELAY
The TXDELAY command is used to set the transmitter keyup delay
interval. The parameter is specified in 10ms increments.
``UNATT
The UNATT command is used to enable or disable unattended
modes and optionally set the connect message string.
``AX25LVL
The AX25LVL command is used to select whether version 1 or 2
protocol will be used to initiate a link connection. A separate
protocol version value is maintained for each connection channel.
The value stored in channel 0 is used to initialize each
connection channel upon power up or disconnection. Interrogating
this parameter during a connection will reflect the protocol
version currently being used on that channel. Changing the
protocol version during a connection is not permitted.
``SLOTTIME
The SLOTTIME command is used to set the p-persistence slot time
interval. P-persistence is used during simplex operation as a
means of channel arbitration. Whenever there are frames to be
transmitted, the tnc first waits for a clear channel. Once the
channel is clear, a random number between 0 and 255 is generated.
If the random number is less than or equal to the p-persistence
value set by the PERSIST command, the PTT line is asserted and
transmission begins. Otherwise, the tnc delays for the slot time
interval and the entire process is repeated. The parameter is
specified in 10ms increments.
``XMITOK
The XMITOK command is used to enable or disable the transmitter
PTT line.
``FULLDUP
FULLDUP is used to enable or disable full duplex operation
of the HDLC port.
``RESPTIME
The timer intervals are specified in 10ms increments. This
timer (T2) controls the amount of delay between the time an
information frame is received and the time the resulting response
frame is sent. This delay allows multiple frames to be
acknowledged with a single response.
``IDLETIME
This timer (T3) is used maintain
link integrity. If there is no activity during the T3 interval,
the tnc will poll to verify the distant station is still
connected.
``VALIDATE
The VALIDATE parameter is used to enable or disable
callsign validation.
``MHEARD
The MHEARD command is used to enable or disable the updating of
the heard-list, or to clear the heard-list.
``TIMSTAMP
The TIMSTAMP command is used to define which messages get a time stamp,
or to disable time stamping at all. You can timestamp link status
messages only, or link status messages and monitored frames.
THS defaults to timestamping link messages when started.
``HBAUD
The HBAUD command is used to select the HDLC baud rate. Note however
that the modem normally determines the baudrate which must be used.
You must next issue a RESET command (in the THS parameter menu) to make
the change effective.
~
~ The codes are:
~
~ 0 = external clk 4 = 4800 baud
~ 1 = 300 baud 5 = 9600 baud
~ 2 = 1200 baud 6 = 19200 baud
~ 3 = 2400 baud 7 = 38400 baud
``MCON
The MCON command is used to enable or disable monitoring when connected.
The MONITOR command of the TNC Parameter Setup Menu (called with ALT/P)
defines which type of frames are monitored, and the TIMSTAMP command
defines if these frames are time-stamped or not.
~
When started, THS defaults to disabled.
``BELL
The BELL command is used to enable or disable the bell (for connected
messages only). A monitored 'bell' character will never ring the bell.
~
When started, THS defaults to enabled.
``CBELL
The CBELL command is used to enable or disable if the bell rings whenever
you get a connect.
~
When started, THS defaults to enabled.
``PAKLEN
This defines the maximum packet length for frames sent with the binary
transfer (YAPP) mode.
~
When started, THS defaults to the maximum value of 254 bytes.
``MAXPFRAM
This parameter defines the maximum number of frames which THS sends to
the TNC. It is the sum of the number of frames transmitted but not yet
acknowledged and the number of frames waiting in the TNC (but not yet
processed by the TNC software for transmission). THS stops sending frames
to the TNC when MAXPFRAM is reached. You can see the actual values
the status line (NSENT and UNACK).
~
When started, THS defaults to the maximum value of 20.
``PRINTER
The PRINTER command is used to enable or disable the printer. An enabled
printer is indicated by a 'P' on the right hand side of the status line.
Note that THS disables the printer if an enabled printer goes offline by any
reason - THS will not hang.
``MSTAMP
The MSTAMP command is used to enable or disable time-stamping of monitored
frames. Note that link-status messages (like "CONNECTED to ...") are always
time-stamped.
~
When started, THS defaults to disabled.
``RESET
The RESET command is used to reset the PC*Packet Adapter. When you changed
the HBAUD value (HDLC baudrate), you must issue the RESET command to make
the change effective. After a reset, THS re-loads the default parameter set,
followed by commands contained in the %-lines of the configuration file
(this is the same procedure as during the THS start).
``TNCW
~C Cs1 [Cs2 ... Cs9] Connect path
~D Disconnect
~F (4) 1-15 Frame acknowledge (seconds)
~I Cs Tnc source callsign
~L [0-4] Display channel status
~M (IUS) NIUSC+- Monitor mode
~N (10) 0-127 Number of tries (0=forever)
~O (4) 1-7 Number of outstanding I frames
~P (64) 0-255 P-persistence value
~R (1) 0/1 Repeater disabled/enabled
~S (0) 0-4 Select channel (0=unproto)
~T (30) 0-127 Transmitter delay (10ms)
~U (0) 0/1 [text] Unattended mode disabled/enabled
~V (2) 1/2 Version 1/2 protocol initiated
~W (10) 0-127 Slot time interval (10ms)
~X (1) 0/1 Transmitter PTT disabled/enabled
~@B Display number of free buffers
~@D (0) 0/1 Full duplex disabled/enabled
~@S Display current link state
~@T2 (100) 0-65535 Timer T2 interval (10ms)
~@T3 (18000) 0-65535 Timer T3 interval (10ms)
~@V (0) 0/1 Callsign validation disabled/enabled
``PCPA
~C Cs1 [Cs2 ... Cs9] Connect path
~D Disconnect
~I Cs Tnc source callsign
~L [0-4] Display channel status
~M (IUS) NIUSC+- Monitor mode
~S (0) 0-4 Select channel (0=unproto)
~U (0) 0/1 [text] Unattended mode disabled/enabled
~V (2) 1/2 Version 1/2 protocol initiated
~X (1) 0/1 Transmitter PTT disabled/enabled
~@B Display number of free buffers
~@S Display current link state
~@V (0) 0/1 Callsign validation disabled/enabled
~P0 p1 p2 ... p10 Set port 0 parameters
~P1 p1 p2 ... p10 Set port 1 parameters
~ where:
~p1 (1) 0/1/2 Repeater disabled/enabled/cross-port
~p2 (64) 0-255 P-persistence value
~p3 (10) 0-127 Slot time interval (10ms)
~p4 (4) 1-15 Frame acknowledge (seconds)
~p5 (4) 1-7 Number of outstanding I frames
~p6 (10) 0-127 Number of tries (0=forever)
~p7 (100) 0-65535 Timer T2 interval (10ms)
~p8 (18000) 0-65535 Timer T3 interval (10ms)
~p9 (30) 0-127 Transmitter delay (10ms)
~p10 (2) 0-7 HDLC baud rate
``WORDWRAP
The WORDWRAP command is used to enable or disable word wrapping in the lower
(TX) window. The default is wordwrap on.
``MWINDOW
The MWINDOW command is used to define the window which receives all moitored
frames. By default, this is window 0. You can select a another window here
if you wish to see all monitored frames there.
``FILTER
The FILTER command is used to enable or disable character
filtering in the receive windows. If FILTER is disabled, you will
see all bytes, and according to the character set of the PC,
non-ASCII characters are displayed as graphic characters. If
filtering is enabled, only the characters with byte values in the
ranges 0x09 to 0x0D and 0x20 to 0x7E are displayed, this is (most
of) the (US-) ASCII character set. All other characters are
substituted by a small solid rectangle. Note that if you use a
national language character set where the language dependend
special characters have byte values greater than 0x7F, MFILTER
must be disabled (which is the default).
``EDI
~ESC Exit the editor. You get the option to save the
~ file to disk. If you don't, calling the editor
~ again will place you exactly where you left.
~INSERT KEY Toggles insert and overwrite modes
~F8 Toggles whether carriage returns are symbolically
~ displayed in the edit window
~F9 Toggles editor display from 128 ASCII characters
~ to 256 IBM characters
~UP-ARROW Moves cursor up a line
~DOWN-ARROW Moves cursor down a line
~LEFT-ARROW Moves cursor left a space
~RIGHT-ARROW Moves cursor right a space
~^LEFT-ARROW Move cursor one word to the left
~^RIGHT-ARROW Move cursor one word right
~^Y Delete line cursor is on
~^Z Scroll up a line
~^W Scroll down a line
~PGUP Previous page
~PGDN Next page
~HOME Move cursor to beginning of line
~END Move cursor to end of line
~^PGUP Move to beginning of file
~^PGDN Move to end of file
~^HOME Move to top of screen
~^END Move to bottom of screen
~TAB Tab
~ALT_M Begin marking a block of text. Use cursor arrows to
~ mark rest of block
~ALT_C Copy marked block to scrap
~ALT_X Cut marked block to scrap
~ALT_P Paste scrap at cursor position
~ALT_S Search for pattern