PK-232 MBX Operating Manual - N3UJJ

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PK-232 OPERATING MANUAL COMMAND SUMMARY SAmple “n” Mode: Command Immediate Command Host: SA “n" — 20 to 255 specifies the sampling rate in baud. This is a new operating mode with the Summer 1991 PK-232 firmware release for advanced users interested in decoding unknown synchronous data transmissions. SAMPLE is similar to the SBIT and 6BIT modes, but operates on synchronous data, whereas 5B1T and 6BIT are used on signals known to be asynchronous. SAMPLE syncs up on any regularly-paced data transmission and samples the data once per bit, packaging the data in groups and sending the groups to the user for further analysis. The user can use SAMPLE to capture data bits from a synchronous transmission, such as FEC, TDM or an 'unknown model' not identified by the SIGNAL command. The transmission is actually sampled several times per data bit. The PK-232 does a majority vote an the last few samples to represent the value of the data bit. One use for the SAMPLE command is to record the output to a disk file, then write a program to analyze the results for synchronous/asynchronous, bit sync patterns, data decoding, etc. SAMPLE data is captured in 6-bit units; the order of bit reception is MSB first, LSB last. The TNC sends the data unit to the user with a constant of hex 30 added to each unit, the same as the 6BIT command. The 6-bit unit is a compromise between hexadecimal and 8-bit binary output, The 6-bit unit yields shorter disk files than 4-bit hexadecimal characters, but encounters no interference from terminal communications programs and the TNC's Converse and Command modes. The 6-bit unit's range of $30-6F falls within the printable ASCII range, allowing the TNC to insert end-of-line carriage returns that can be ignored by the user's analysis software. To use SAMPLE, set ACRDISP to a non-zero value such as 77. This will break up the recorded disk file into lines. Tune in the signal, set WIDESHFT ON or OFF as needed, and get the transmission rate from the SIGNAL command. Now type "SAMPLE (rate)". As an example, SIGNAL may identify a transmission as 96 baud TDM; in this case type the following: SAMPLE 96 Now begin the capture to a disk file with the terminal program. At the end of the session, edit the disk file and remove any TNC commands that were echoed before or after the received data. Occasionally SIGNAL will identify a Baudot transmission at a rate that SAMPLE cannot sync up on. This would happen if the Baudot signal had a stop bit duration 1.5 times the data bit duration. In this case, SAMPLE at twice the baud rate and compensate for the doubled data bits in the analysis software. Note that it might be more useful to let the TNC do the start/stop bit work by using the 5BIT command rather than SAMPLE. 5BIT uses RBAUD, and adds a constant of hex 40 to each 5-bit character received. Note: RXREV does affect the sense of the SAMPLE data. RXREV should however not be changed while capturing data. 8/91 A-69 From The N3UJJ.COM Document Library
_______________________________________________________________________________ SELfec aaaa[aaa] Immediate Command Mode: AMTOR FEC Host: SE _________________________________ Parameters: _________________________________ aaaa - Specifies the distant station's SELective CALling code (SELCALL). _______________________________________________________________________________ The SELFEC command starts a SELective FEC (Mode Bs) transmission to a specific distant station when you enter that station's SELCALL (SELective CALLing) code. The SELFEC command must be accompanied by a unique character sequence (aaaa) that contains four or seven alphabetic characters. You do not have to type the SELCALL a second time if you intend to call the same station again right away. See MYSELCAL and MYIDENT to enter your 4- and 7-character SELCALLs. Other AMTOR commands are ACHG, ACRRTTY, ADELAY, ALFRTTY, ARQTMO, EAS, HEREIS and RECEIVE. _______________________________________________________________________________ SEndpac "n" Default: $0D Mode: Packet Host: SP _________________________________ Parameters: _________________________________ "n" - 0 to $7F (0 to 127 decimal) specifies an ASCII character code. _______________________________________________________________________________ Use the SENDPAC command to select the character used to cause a packet to be sent in Converse Mode. The parameter "n" is the ASCII code for the character you want to use to force your input to be sent. Use default SENDPAC value $0D for ordinary conversation with ACRPACK ON to send packets at natural intervals. _______________________________________________________________________________ SIgnal Immediate Command Mode: All Host: SI _______________________________________________________________________________ SIGNAL is an immediate command that causes the PK-232 to enter the Signal Identification and Acquisition Mode (SIAM). The PK-232 will respond with: Opmode was BAudot Opmode now SIgnal After a few seconds the PK-232 will show the signals baud rate. A few seconds later it will identify the signal type. _______________________________________________________________________________ SLottime "n" Default: 30 (300 msec.) Mode: Packet Host: SL _________________________________ Parameters: _________________________________ "n" - 0 to 250 specifies the time the PK-232 waits between generating random numbers to see if it can transmit. _______________________________________________________________________________ The SLOTTIME parameter works with the PPERSIST and PERSIST parameters to achieve true p-persistent CSMA (Carrier-Sense Multiple Access) in Packet operation. 8/91 A-69a From The N3UJJ.COM Document Library
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PK-232 MBX Operating Manual MODEL P
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PREFACE TO THE PK-232 OPERATING MAN
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Timewave address is: Timewave Techn
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CHAPTER 3 - RADIO INSTALLATION (Con
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CHAPTER 5 - MAILDROP OPERATION (Con
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CHAPTER 7 - AMTOR AND NAVTEX OPERAT
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Table of Contents CHAPTER 11 - Pact
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1.2 Computer or Computer Terminal R
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1.4.4 Controls and Indicators Front
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2.2.1 Connecting Power o o o o o MA
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2.3.2 Apple Macintosh Series of Com
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Follow the installation directions
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Make note of the firmware Release d
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2.6 Detailed RS-232 Connections for
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If your computer requires any other
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PK-232 OPERATING MANUAL RADIO INSTA
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3.3.5 Begin Assembling your Radio C
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3.3.6 Wiring Your HF Transceiver fo
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3.4 PK-232 Configuration Jumpers an
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o Listen to the monitor receiver; t
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EXAMPLE: If the manufacturer's plat
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4.2 Packet Introduction You've now
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9. You have just done the three thi
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4.3.2 What It Means There are diffe
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4.3.3 What Happens When You Connect
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NET/ROM, developed by Software 2000
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After pressing , you should observe
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4.4.4 Digipeater Details You may wi
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If you are hearing packets that sou
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4.4.7.2 Canceling Lines and Packets
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4.5.1 Unconnected Packets In order
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4.6.2 The Channel Switching Charact
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o Make certain your HF receiver is
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PK-232 OPERATING MANUAL PACKET RADI
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The number "18396 free" is the RAM
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E Shows the following short help fi
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Enter a short (up to 27 character)
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L {The LIST command} {The MailDrop
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Msg# Size To From @ BBS Date Time T
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- Use the Edit command to set the F
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6.2.2 HF Receiver Settings Set your
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6.4 A Typical Baudot RTTY Contact A
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6.5.3 Formatting Your Transmitted a
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The following parameters are the mo
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See the MYSELCAL command in the Com
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7.3 Transmitter Adjustments Make su
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o Type to stop sending when the tr
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7.4.4 Echoing Transmitted Character
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7.6.4.1 Remote Logon to your AMTOR
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7.6.8.4 J (JLOG) (Remote only comma
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7.8 NAVTEX Operation NAVTEX is an i
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o When you find a station, slowly v
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8.4.3 Sending Only Complete Words (
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9.3 System Setup If you own CSS HF
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At this point make sure the THRESHO
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9.8 Adjusting the PK-232 4.0 MHz Ma
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o When you find a station, slowly v
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PK-232 OPERATING MANUAL SIAM AND TD
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PK-232 OPERATING MANUAL Pactor OPER
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PX-232 OPERATING MANUAL Pactor OPER
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A.2.2 Default Values Almost all com
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was now Whenever you change one of
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?VIA You typed more than one call s
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ARQE Immediate Command Mode: Comman
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When CHCALL is OFF, the monitored a
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PK-232 OPERATING MANUAL COMMAND SUM
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___________________________________
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___________________________________
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Page 183 and 184: PK-232 OPERATING MANUAL COMMAND SUM
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Page 199 and 200: MFROM determines what packets are m
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Page 215 and 216: When your computer has queued data
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Page 233 and 234: When TRFLOW is ON, the type of flow
Page 243 and 244: PK-232 OPERATING MANUAL APPENDIX B
Page 245 and 246: PK-232 OPERATING MANUAL APPENDIX C
Page 247 and 248: DS16-DS20 314-302 DS10,DS11 LED GRN
Page 249 and 250: D PK-232 OPERATING MANUAL ALINCO Fi
Page 251 and 252: D TM-421 3 TM-431 53 7 TM-441 3 TM-
Page 253 and 254: D 1 G G G 2 3 RX Audio: EXT SPKR Ja
Page 255 and 256: D 1:1 Transformers 25 PTT Shield 28
Page 257 and 258: D 0 ® ® ® RX Audio: Use EXT SPKR
Page 259 and 260: D CQ, 4-25, 6-4, 7-1, 7-4, 8-2, 8-3
Page 261 and 262: D NAVSTN, 7-10, A-59 NAVTEX, 1-1, 7
Page 263 and 264: D PK-232 MBX OPERATING MANUAL COMMA
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PK-232 MBX Operating Manual - N3UJJ

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