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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.
- ``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
- Connect Cs1 [Cs2 ... Cs9] Connect path
- Disconne Disconnect
- FRack 1-15 Frame acknowledge (seconds)
- MYcall Cs Tnc source callsign
- Lstatus [0-4] Display channel status
- Monitor NIUSC+- Monitor mode
- REtry 0-127 Number of tries (0=forever)
- MAXframe 1-7 Number of outstanding I frames
- PErsist 0-255 P-persistence value
- DIGIpeat 0/1 Repeater disabled/enabled
- TXDelay 0-127 Transmitter delay (10ms)
- Unatt 0/1 [text] Unattended mode disabled/enabled
- Ax25lvl 1/2 Version 1/2 protocol initiated
- DWait 0-127 Slot time interval (10ms)
- XMItok 0/1 Transmitter PTT disabled/enabled
- FUlldup 0/1 Full duplex disabled/enabled
- RESptime 0-999 Timer T2 interval (10ms)
- IDLEtime 0-65535 Timer T3 interval (10ms)
- VALIdate 0/1 Callsign validation disabled/enabled
- BUffers Display number of free TNC buffers
- State Display current link state
- ``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, FILTER 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
-