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Chapter 6 GPS Applications

1. Connect your TNC to your computer, and to your GPS receiver using the AEA APRS Adapter Cable

following the steps noted previously. Get the computer running APRS software and the TNC running. Leave

the GPS receiver off until you are ready to receive the NMEA string.

2.

Press

ALT-S

to bring up the setup menu.

3.

Now press

G

for GPS.

4.

Press

H

for HSP.

5.

Now press

ALT-S

to save.

6.

Enter

S

for SAVE.

7.

Now follow the prompt from APRS to validate your APRS registration and save the mode changes.

8.

Turn your GPS receiver on, and you are ready for APRS HSP operation.

9.

When finished using the DSP-232 for APRS HSP operation, simply quit APRS. APRS may ask you for some

information before quitting. Answer the questions and when done, your DSP-232 will be ready for non-GPS

activities.

APRS Dual Port Mode Set-up:

To set up APRS for dual mode operation, follow these steps:

1.

Connect your DSP-232 to one of the COM ports on your computer. Get the TNC up and running following

the directions in Chapter 2 of this manual.

2.

Connect you GPS receiver to the other COM port on your computer. (You will need to build your own cable

for this connection. Since there are many types of GPS receiver, all with different connection, we can’t

provide you with schematics on how to build this cable).

3. Get the APRS software program running. APRS will ask you some questions, simply answer the questions

and your TNC and APRS will be ready for dual port mode operation.

Building your own APRS adapter cable

The APRS adapter cable works as follows:

The adapter allows for Hardware Single Port mode (HSP) operation, so you only need one computer COM port for
both your GPS receiver and DSP-232. The adapter normally has the TNC switched to the computer until APRS
decides it’s time to send its location report. When it’s time to send position information, the computer running
APRS asserts flow control to the TNC to prevent it from sending any more data. The flow control line is also used
to switch the adapter to the GPS receiver. Once the GPS string is received, the computer running APRS releases
flow control, switching back to the TNC.

A pre-made and tested cable can be purchased from AEA for $30.00 by calling (206) 774-1722. For best pricing,
see your favorite amateur radio dealer.

An APRS adapter cable can be made from the following components with the schematic shown on the next page.

Item

Description

Qty

AEA Part #

Radio Shack Part #

1.

PCB

1

013-141

2.

1K

resistor

1

210-102

271-023

3.

10K

resistor

2

210-103

271-034

4.

IN4148

Diode

2

310-001

276-1122

5.

2N3904 NPN transistor

2

320-001

276-2016

6.

DB-25 male connector

1

420-102

7.

DB-25 female connector

1

420-105

8.

DB-25

Hood

1

053-065

9.

Screws for hood

1

053-065-1

10.

Saddle

washers

1

053-065-2

11.

Hex

nuts 1

053-065-3

6-6 September,

05

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Содержание DSP-232

Страница 1: ...DSP 232 Multi Mode Operating Manual Timewave Technology Inc 1025 Selby Ave suite 101 St Paul MN 55104 USA 651 489 5080 http www tmewave com...

Страница 2: ...te the receiving antenna Increase the separation between the device and receiver Connect the device into an outlet on a circuit different from that to which the receiver is connected Consult the deale...

Страница 3: ...pter 3 Radio Installation Radio Connection Requirements 3 1 Connections for Specific Transceiver Models 3 2 Basic Connections and Adjustments 3 2 Connections for Direct FSK on RTTY 3 4 Transceiver Adj...

Страница 4: ...Commands 5 23 Chapter 6 Global Positioning System Applications Why do GPS in the DSP 232 6 1 What is APRS 6 1 Hardware Configurations 6 2 Setting Up the DSP 232 for GPS Operation 6 3 Stand Alone Track...

Страница 5: ...tion s CQ 9 4 Beginning a QSO 9 4 Ending a QSO 9 4 Seizing the Link 9 5 Killing the Link 9 5 Roundtable QSOs 9 5 Hidden QSOs 9 5 Operating Tips and Options 9 6 MailDrop Operation 9 7 LED Status and Mo...

Страница 6: ...puter 13 2 Computer Software 13 2 Cable from DSP 232 to Radio 13 2 Radio 13 3 General Error Messages 13 4 Packet Error Messages 13 5 MailDrop Error Messages 13 7 DSP 232 Status and Error Messages 13 7...

Страница 7: ...amateur digital modes You can receive other modes such as NAVTEX and bit inverted Baudot RTTY These capabilities along with SIAM Signal Identification and Acquisition Mode make the DSP ideal for the d...

Страница 8: ...hese programs offer many operating and utility features and conveniences that simply aren t found in typical modem and 3rd party controller programs But if you do run Windows PK Term for Windows is th...

Страница 9: ...his section to find out what all those LEDs adjustment levels and connectors are on the unit and what they do If their functions or terms sound cryptic to you now don t worry about it they ll be expla...

Страница 10: ...y and data conversion applications n will light when you re copying NAVTEX data L will light when calibrating the DSP r will light when you re working PACTOR II is an optional symbol which will be use...

Страница 11: ...s for PHASE and indicates that while in AMTOR or PACTOR your transmitter is trying to lock onto and synchronize with another station s signal S Stands for SELFEC and will glow when you re operating SE...

Страница 12: ...to 256K buffer is full Note the buffer can be filled with or without the computer connected to the controller since the DSP s buffer stores whatever it hears from the radio not just the computer At t...

Страница 13: ...to the right are three transmit level adjustments One for 9600 bps on radio port two one for radio port one and one for radio port two RX AUDIO 1 is where the audio output from your receiver or trans...

Страница 14: ...nning down the length of one of its conductors and strip off just enough insulation from the ends of both conductors to connect it to your 12 14 VDC regulated power supply VERY IMPORTANT your power su...

Страница 15: ...viously set parameters 5 Release the reset button and the unit has been re initialized If the above procedure didn t restore the proper start up operation of the DSP s front panel LEDs then refer to C...

Страница 16: ...o Shack Port Adapter as well as other computer dealers The Computer If the type of computer you plan to use with the DSP wasn t mentioned earlier in this chapter you may find specific connection infor...

Страница 17: ...or occupied by another device like a modem fax or mouse card For example you may not be able to connect your DSP to COM 1 if COM 3 is occupied by another device the same holds true with COM 2 and COM...

Страница 18: ...ny terminal program with your IBM PC or compatible computer AEA currently sells PC Pakratt II for DOS and PC Pakratt for Windows programs which provide many features not available in telephone modem p...

Страница 19: ...P to 50 rotation straight up and down using a small screwdriver 8 Turn on your computer Load and run your communications program Choose the TTY option if available If you re using an AEA program follo...

Страница 20: ...YCALL AAA After you ve entered this the DSP will print the following on the screen MYcall was DSP232 MYcall now AAA 12 Enter the following command to connect to AAA the DSP 232 recognizes the letter C...

Страница 21: ...You will do the VHF and HF Packet tests just as you did before plus you will test the 9600 bps VHF Packet modem on Radio Port 2 1 Take the Loop back jumper that came with your DSP 232 or the jumper yo...

Страница 22: ...nd to connect to AAA the DSP 232 recognizes the letter C to mean connect to C AAA After a few moments your monitor should display CONNECTED to AAA 7 Type Hi there then press RETURN Your monitor should...

Страница 23: ...you ll see the following message Please type a star for autobaud routine If your serial port is operating at 2400 4800 9600 or 19 200 baud this is terminal baud you may see some garbage characters Th...

Страница 24: ...re then press RETURN Your monitor should echo the same message 22 Now you ll exit out of the packet mode The following command will force the DSP to disconnect from a station and exit the packet mode...

Страница 25: ...correctly Figure 3 1 Receive audio connections to the DSP If You Want to Transmit you ll need to make the proper connections to your radio s speaker microphone and the Push To Talk PTT circuits The b...

Страница 26: ...e connecting to your DSP and at the same time refer to your radio s Operating or Owner s manual to verify that the pin assignments are correct If you don t find your transceiver listed there then loca...

Страница 27: ...te one of the 5 ft DSP radio cables included with your DSP Note that the Radio cables may have been shipped as a single 10 ft cable which should be cut to length before use 2 Prepare the bare end of o...

Страница 28: ...can limit the data transfer rate at 110 baud Consult your transceiver s manual regarding direct FSK operation for further recommendations To install and operate your DSP and radio in the FSK mode con...

Страница 29: ...s are connected as shown in Figure 3 4 and or 3 5 or 3 6 below Figure 3 4 Radio to DSP Radio Port 1Connections Note Radio Port 2 can be wired the same as Radio Port one shown above or it can be wired...

Страница 30: ...the DSP s rear panel AFSK LEVEL pot clockwise until you hear no increase in the audio output level from the monitoring receiver b Rotate the AFSK LEVEL pot counter clockwise CCW until the audio signa...

Страница 31: ...the channel is clear 13 This is the proper setting for packet operation You may now reset your receiver s squelch for normal voice operation SSB Transceiver Final Adjustments Digital modes with an SSB...

Страница 32: ...s off 9 Press K to key the transmitter Increase the microphone gain control clockwise until hear a continuous tone from the radio s monitor output through the radio s speaker or headphone jack 10 Tap...

Страница 33: ...50 up or down until the DCD light is lit by the noise output from your receiver then increase it slowly until the DCD light is no longer lit Alternatively you can type AUTOTHR at the cmd and the DSP...

Страница 34: ...des Later in this chapter are the actual commands that you will use to enable the TNC to communicate with the terminal Command Mode Command mode is for configuring and setting the parameters for your...

Страница 35: ...ted into pure packet frames without adding headers or protocol bytes However Raw HDLC is available only in Host mode whereas KISS is its own mode Parameters and Arguments If a command requires an argu...

Страница 36: ...at you ve dug yourself into a hole and the DSP doesn t work as well as it did before enter REINIT it ll reinitialize most of the commands to their default settings and perform a RESTART but it won t l...

Страница 37: ...ived after this column forces the DSP to generate a RETURN If ACRDISP is 0 default this occurs at column 60 If there are no spaces at or after this column then a RETURN occurs at ACRDISP For example p...

Страница 38: ...rupt Also see the ANSAMPL command Analog requires an 8 bit Analog type of DSP modem that samples and digitizes the analog information After the signal is sampled it is sent to the RS 232 serial port t...

Страница 39: ...odes To use Autothreshold tune your radio to a frequency with no signal make sure the frequency of the radio corresponds to your currently selected operating mode Type AUTOT in command mode The DSP wi...

Страница 40: ...dio tone between mark low and space high tones D Toggles between transmitting a continuous tone or alternating the mark and space tones at a rate set by the radio baud Hbaud rate CANline n Default 18...

Страница 41: ...mode Three Command mode entry characters must be entered less than n x 10 seconds apart with no intervening characters after a delay of n x 10 seconds following the last characters typed The followin...

Страница 42: ...ous mode that is Converse Command or Transparent mode Bit 14 position 4000 If bit 14 is set to 0 default the transmit buffer for data sent from the computer to the DSP is limited only by the DSP memor...

Страница 43: ...typing Use the DELETE command to select the key to use for backing up and deleting text Refer to BKONDEL to see how the DSP indicates deletion DIRect m n Immediate command Host DQ DIRECT is an immedia...

Страница 44: ...DISP it generates a list of commands and their saved current arguments or values To see a brief list enter DISP Your screen should now display See also DISPLAY A B C F I L M R T Z Connect Link state...

Страница 45: ...P C CHSwitch 00 PTOver 1A CTRL Z cmd DISP F ASPect 2 576 FSpeed 2 120 GRaphics 1 960 dots PRCon OFF PRType 2 cmd DISP G GENDchar 0D GINIText GLOCtx 0 00 sec GNMEA1 GPGLL 0 8 char GNMEA2 GPSMode 0 GREM...

Страница 46: ...properly when you see the characters you type displayed correctly EScape ON OFF Default OFF Host ES ON The ESCAPE character 1B is output as 24 OFF The ESCAPE character is output as ESCAPE 1B default E...

Страница 47: ...ng a REINIT operation cmd DISPLAY A 8Bitconv Novice Retain ACRDisp AFilter ALFDisp AUTOBaud AWlen Novice Retain BBSmsgs CASedisp DCdconn Echo EScape Flow ILfpack NUCr NULf NULLs PARity Novice Retain T...

Страница 48: ...e Retain USers Novice Vhf Novice XMITOk Novice cmd DISPLAY M CONStamp Novice DAYStamp Novice HEAderln MBEll MBx Retain MCon Novice MDigi Novice MFIlter Novice MFrom Retain Monitor Novice MProto MRpt M...

Страница 49: ...it SPACe Retain FRack Novice UBit FRIck UCmd HHang ZFree PACTime ZStatus PErsist Novice Flow ON OFF Default ON Host FL ON Type in flow control is active OFF Type in flow control is inactive With FLOW...

Страница 50: ...ccession or type CTRL A O H O N CTRL W Sending a Break signal won t cause the DSP to exit from the Host mode Bit 0 Controls whether the Host mode is ON or OFF If bit 0 is equal to 0 Host is OFF If bit...

Страница 51: ...s these commands to the standard commands x0 x5 xC signifies data to be transmitted Unlike the x0 command the xC byte is followed by two frame ID bytes then the data when the TNC transmits the frame i...

Страница 52: ...mented after using the MEMORY command MODem Default 12 Host Mg n 0 to 21 signifies a modem number from the list below The MODEM command determines what DSP Modem is selected for the DSP 232 The Modems...

Страница 53: ...r printer terminals require extra time for the printing head to do a RETURN and LF NULF ON solves this problem my making your DSP send null characters ASCII code 00 to your computer or terminal NULLS...

Страница 54: ...just pressed RETURN at the end of the word paragraph you would ve forced a packet to be sent Press RETURN again and you would ve forced an empty packet to be sent Press RETURN yet again and another e...

Страница 55: ...e you were typing A backslash is appended to the old line and the corrected line is shown beneath it REINIT Immediate Command Host RI This is an immediate command that you can use to get out of troubl...

Страница 56: ...AUD to specify the terminal baud rate to be activated at the next power on or RESTART A warning message reminds you of this Be sure you can set your computer and its communications program for the new...

Страница 57: ...within the time period set by CMDTIME default 1 second TRFlow ON OFF Default OFF Host TW ON Software flow control for the computer or terminal receiving data is enabled in Transparent mode OFF Softwa...

Страница 58: ...eric arguments to be added to the DSP 232 without burdening users with a large number of commands The functions controlled by UCMD are things that most users will never have to change Still they are i...

Страница 59: ...ffer for data sent from the computer to the DSP is limited only by the available DSP memory ON In packet the serial flow control will permit only a maximum of seven I frames to be held by the DSP befo...

Страница 60: ...host mode application sends a block of data to be transmitted but the controller connot issue a data acknowledgement 5F X X 00 to the host computer rith away because the TNC is too full The applicatio...

Страница 61: ...t 0 shows whether all characters have been transmitted in non packet modes Bit 1 shows whether the maildrop is busy servicing a command such as Read or List Note bit 1 may show 0 before the hostapplic...

Страница 62: ...elf with at this time The commands you should initially familiarize yourself with are CBELL CMSG CONNECT CTEXT DISCONNE MHEARD MONITOR MYALIAS MYCALL MYGATE MYMAIL PACLEN and UNPROTO Other commands no...

Страница 63: ...00 You are currenty in the DSP 232 s default radio port 1 with the default VHF Packet setting 1200 bps You can change your Radio Port at any time with the RAD command You can also select other Packet...

Страница 64: ...M 16 as show below MODEM 16 RETURN The DSP 232 will respond with the following MODem was 13 MODem now 16 cmd Note Do not load modems designed for non packet modes such as Baudot or Morse when operatin...

Страница 65: ...gh speed packet such as 9600 bps may sound like white noise When you re properly tuned to a packet signal the LEDs in the DSP s tuning indicator spread out evenly from the center to both the left and...

Страница 66: ...SO One benefit of packet radio is that packets can be relayed or digipeated In fact packets can be digied by up to eight other stations to get them to a distant station you can t reach directly In pra...

Страница 67: ...5 KB6IUX 1 SEA 21 Nov 95 13 40 01 SEA N7HWD 8 21 Nov 95 13 39 51 N7HWD 8 KD7NM 21 Nov 95 13 39 44 KD7NM KG6ZL 21 Nov 95 13 39 20 KG6ZL WF7A 9 21 Nov 95 13 39 12 WF7A 9 cmd cmd Note DAYSTAMP is a virtu...

Страница 68: ...ived okay it sends back a quick ack signal When your DSP receives the other station s ack signal it acks the ack and your transmitter is momentarily keyed for this to happen Leave the Converse mode by...

Страница 69: ...things or while you re connected to a station you may want to be alerted when someone else connects to you Turning CBELL ON will make your computer beep three times when another station connects or d...

Страница 70: ...you see this it means that the other station is connected with someone and can t respond to you now Simply wait a few minutes and try again or try connecting to a different station from your MHEARD li...

Страница 71: ...mands are few and easily memorized they re not transmitted so airtime will be reduced Like other automatic systems however if you send an H or a for Help you can expect to get a response For Seattle s...

Страница 72: ...ancel a connect attempt J heard Display stations heard L isten Toggle monitoring N odes Display nodes heard S end Broadcast unproto de N7ML 7 B C D J L N S The commands functions are B ye This is simi...

Страница 73: ...connected to your node even if STAY wasn t used in the original Connect command The Disconnect command may be used at any time before the connection is established regardless of any preceding commands...

Страница 74: ...ceive an ack back from KG6ZL and you re all set Are You a Digipeater Your packet station can be a digipeater for other stations You don t have to do anything your DSP will digipeat other stations unle...

Страница 75: ...need to set the USERS parameter to a value greater than one 1 The number you enter in the USERS command tells the DSP how many users you ll allow to connect to you at a given time So if you set USERS...

Страница 76: ...integration of Global Positioning System technology it is becoming popular to map the location of packet users around the world Some users even use packet to map DX spots while communicating in CW Whe...

Страница 77: ...power output of your rig before going on the air Going On the Air On HF there are two ways you can go about talking to another station Monitor the frequency for packet traffic or check your MHEARD li...

Страница 78: ...xtra time when digipeater stations are specified To return to normal AX 25 packet operation turn UBIT 18 OFF Also be sure to disable the FRICK timer by setting FRICK to 0 when you re through operating...

Страница 79: ...owth of packet many users feel that beacons have outlived their usefulness and interfere with traffic Use your beacon with discretion The DSP can send an automatic beacon message at a specified time i...

Страница 80: ...commands let you correct typing errors before your packet is sent cancel lines or entire packets RETURN s and Linefeeds Most hams use packet radio for sending and receiving messages or just for conve...

Страница 81: ...Connected packets When you connect to another station the AX 25 packet protocol ensures that the station to whom you re connected to receives all the packets that you send Likewise the protocol ensure...

Страница 82: ...MA the master station identifies all slave stations and polls each of them for information Slave stations are asked by the node if they have any information to send If a slave station does the informa...

Страница 83: ...want to see who s available in your local area simply set your UNPROTO path to QRA and send a packet Within 1 to 16 seconds other stations should respond to your QRA request by sending an ID packet o...

Страница 84: ...d frames are sent immediately RAWHDLC and KISS force ACKPRIOR OFF These are the defaults for a P persistence system with no Priority acknowledgment ackPRIOR OFF PPERSIST ON PERSIST 63 SLOTTIME 30 RESP...

Страница 85: ...ansparent mode AUdelay n Default 2 20 msec Mode Baudot ASCII FEC PTSEND and packet Host AQ n 0 120 specifies in units of 10 mS intervals the delay between PTT going active and the start of the transmi...

Страница 86: ...per setting AXDELAY acts together with AXHANG AXHang n Default 0 000 msec Mode packet Host AH n 0 to 20 specifies voice repeater hang time in 100mS intervals AXHANG allows you to increase efficiency w...

Страница 87: ...unity Don t type your call sign in BTEXT the normal packet header shows it Don t fill BTEXT with screen graphics use BTEXT for meaningful information After you ve beaconed for a week or two and people...

Страница 88: ...NO For example cmd CFROM NO WF7A KG6ZL KB6IUX WO6P You can include optional SSIDs specified as n after the call sign With CFROM NO KB6IUX connect attempts from all SSIDs of KB6IUX KB6IUX 0 through KB...

Страница 89: ...for CHECK x 10 seconds your DSP tries to save the link by starting a reconnect sequence The DSP enters the connect in progress state and sends connect request frames If a Version 2 link AX25L2V2 ON is...

Страница 90: ...O call1 Callsign of the station you want to connect to call2 9 Optional callsign s of up to eight stations you can leapfrog through to reach call1 Use the CONNECT command to send a packet connect requ...

Страница 91: ...With CPACTIME ON characters are packetized and transmitted periodically as if in Transparent mode Local keyboard editing and display features of the Converse mode are available See the PACTIME command...

Страница 92: ...DFrom ALL NONE YES NO call1 call2 Default All Mode packet Host DF call ALL NONE YES list NO list list up to eight call signs separated by commas and no spaces DFROM determines how your DSP responds t...

Страница 93: ...the FRame acknowledgment time in seconds that your DSP will wait for acknowledgment of a sent protocol frame before retrying that frame After sending a packet requiring acknowledgment the DSP waits fo...

Страница 94: ...method of meteor scatter work both stations should use these settings UBIT 18 ON RETRY 0 AX25L2V2 ON default MAXFRAME 1 CHECK doesn t matter FRICK n where n is large enough to allow the other station...

Страница 95: ...send the file Rich With HEADERLN OFF the address information is shown on the same line as the packet text as shown below KG6ZL WF7A Go ahead and send the file Rich HId ON OFF Default OFF Mode packet...

Страница 96: ...and the number of sequential packets your DSP will send The optimum value of MAXFRAME depends on your local channel conditions In most cases the default value of MAXFRAME 4 works well When the amount...

Страница 97: ...ious levels of monitor indications MCON works similarly to MONITOR but MCON affects your display only while you re connected to another station If MCON is set to a value between 1 and 5 frames meant f...

Страница 98: ...commas Use MFILTER to select up to 4 characters to be filtered or excluded from Morse Baudot ASCII AMTOR PACTOR and monitored packets with parameters n1 n4 the ASCII codes for the characters you want...

Страница 99: ...t Mi n 0 250 specifies the Morse ID timing in units of 10 second increments 0 Zero disables this function If n is set to a value between 1 and 250 the DSP will periodically issue a 20 wpm Morse ID For...

Страница 100: ...ted transmission are displayed Use this for an unproto roundtable type conversation where you want to read other station s packet text sent unproto while you re not connected This setting also display...

Страница 101: ...l software clock is set date and time information is available for automatic logging of packet activity and other applications Remember to set the date and time with the DAYTIME command first With MST...

Страница 102: ...ough your station only If MYMAIL isn t set the Maildrop also accepts connections to either MYCALL or MYALIAS Outgoing connect attempts and Unproto frames use only MYCALL as the source callsign MYcall...

Страница 103: ...packet time out occurs when n times 100 mS passes without input from the computer The PACTIME parameter sets the amount of time in 100 mS increments that the DSP will wait for a character to be entere...

Страница 104: ...n the HF Packet mode is entered QHPACKET sets the DSP 232 modem that will automatically be selected when the HF Packet mode is entered To enter HF packet mode type HBAUD 300 See PACKET and MODEM comma...

Страница 105: ...e sent in Converse mode The parameter n is the ASCII code for the character you want to use to force your typed input to be sent Use the default SENDPAC value 0D for ordinary conversation with ACRPACK...

Страница 106: ...mmands would have no effect on the final data and it could be translated back to binary data with a computer program TRIes n Default 0 Mode packet Host TI n 0 to 15 specifies the current RETRY level o...

Страница 107: ...at their proper levels on the air Unproto call1 VIA call2 call3 call9 Default CQ Mode packet Host UN call1 Call to be placed in the To address field call2 9 Optional digipeater call list up to eight c...

Страница 108: ...to generate a message explaining the reason why the received packet wasn t displayed The messages and their meanings are PASSALL The received packet frame had errors and PASSALL was OFF preventing the...

Страница 109: ...HBAUD rate selected in QHPacket are automatically selected Use the VHF Command for immediate software control of the DSP 232 s modem selection and HBAUD data rate This command makes changing between...

Страница 110: ...tions the unit never needs to be taken out of the vehicle to change GPS settings GPS receivers can be remotely programmed via the DSP 232 The DSP 232 s internal time and date can be set from the infor...

Страница 111: ...you send and receive messages within APRS All AEA TNCs can be part of a system such as this This configuration allows anyone with any AEA TNC who is running APRS software in their computer to take pa...

Страница 112: ...the temperature of any room in your home keep track of temperatures in a greenhouse or outbuilding or set alarm limits on a freezer or other appliance The DSP 232 can be connected to the ULTIMETER II...

Страница 113: ...information and transmit it over the ham bands Any NMEA string your GPS receiver can produce can be entered in this command line The neat thing about the DSP 232 is that you can choose not one but two...

Страница 114: ...ate the GPS input Registration information is contained in the APRS shareware readme files The shareware version of APRS can be obtained through many BBSs Follow these steps to connect the APRS Adapte...

Страница 115: ...cable 3 Get the APRS software program running APRS will ask you some questions simply answer the questions and your TNC and APRS will be ready for dual port mode operation Building your own APRS adapt...

Страница 116: ...ter 2 2 Type MY your call sign then press ENTER For example if your callsign is WA7GCI you would enter MY WA7GCI then press ENTER 3 Type UN APRS via RELAY then press ENTER This programs your UNPROTO p...

Страница 117: ...RS system GPS Specific Commands GENDchar n Default 0D CTRL M Mode GPS packet The default GENDchar of 0D requires the string to end with a CR LF to conform with the NMEA format If this is changed the s...

Страница 118: ...r up trying to parse its GNMEA sentance or sentances If it successfully parses one or both of them it will automatically switch to GPSMode 1 To have the DSP auto detect a GPS receiver follow these ste...

Страница 119: ...reply DSP RELAY APRS UI done Note that the DSP in the vehicle replied with the meddate done This indicates that the command was properly received and the parameter was changed the following is a list...

Страница 120: ...Chapter 6 GPS Applications September 05 6 1...

Страница 121: ...TA from the FCC for this purpose This restriction may soon change but until then US amateurs must be sure to always have control of their HF transmitters when any automatic device such as the DSP Mail...

Страница 122: ...connections will connect automatically to the Maildrop When operating the Maildrop in AMTOR your 4 character MYSELCAL or 7 character MYIDENT is used and must be entered by the other station to access...

Страница 123: ...to be sent The MDPROMPT or TMPROMPT prompt message follows right after the Send command is entered The default message is Subject Enter message Z CTRL Z or EX to end MDPROMPT or TMPROMPT comprises of...

Страница 124: ...the message to the KG6ZL BBS located in the state of Montana MT in the United States North America NA continent E 58 Clears message 58 s destination BBS field E 60 P Sets message 60 s status to Privat...

Страница 125: ...ssed only to that particular user not messages addressed as ALL QST or Bulletins R ead n This command displays the header and text of message number n Messages are read by number not callsign As conso...

Страница 126: ...en left for you When you log on to your Maildrop the MAIL light will stop blinking Sending Other Types of Messages Each message in the DSP s Maildrop has a flag to show whether it s designated as Priv...

Страница 127: ...messages and the one in particular that s addressed to him He types R 6 to R ead MSG 6 AEA DSP232 16508 free A B H J K L R S V R 6 Msg Size To From BBS Date Time Title 6 PN184 WO6P KB6IUX WF7A 25 Nov...

Страница 128: ...25 Nov 95 20 15 Gobble Happy Thanksgiving guy Knowing that _you re_ cooking the big meal for your family tonight should I rush a case of Pepto Bismol over to you now 73 Rich AEA DSP232 16508 free A B...

Страница 129: ...R to 0 so the DSP s buffer will record only messages addressed or passed through to it and won t fill up with idle radio traffic 5 Leave your DSP and radio on and set to the appropriate frequency so t...

Страница 130: ...MSG is ON The default text is shown below WELCOME TO MY AEA DSP232 MAILDROP TYPE H FOR HELP Since AMTOR transmissions don t self identify like in packet your Maildrop will force the user to identify i...

Страница 131: ...that may have been mis typed by typing three forward slashes on the same line as the bad command B ye Logs you or the calling station off the Maildrop In AMTOR the connecting station may gracefully s...

Страница 132: ...d slashes on the same line as the bad command B ye logs the user off the Maildrop In PACTOR the user may gracefully shut down the link with the RECEIVE character CTRL D or the CWID character CTRL F H...

Страница 133: ...he SYSOP to the Maildrop This command is handy for checking the last message sent to your Maildrop system LASTMSG also allows the Maildrop message counter to be set to any value or simply reset the co...

Страница 134: ...to end MHeard Immediate Command Mode packet AMTOR Maildrop Host MH MHEARD displays a list of the 18 most recently heard stations When DAYTIME has been set entries in the Heard log are time stamped Wi...

Страница 135: ...connections to both your MYCALL and MYALIAS Previously MYALIAS had been reserved for stations digipeating through your station only If MYMAIL isn t set the Maildrop also accepts connections to either...

Страница 136: ...MYALIAS MYMAIL HOMEBBS MYGATE MYSELCAL MYALTCAL MYIDENT MYPTCALL UNPROTO AWLEN PARITY TBAUD BTEXT CTEXT AAB MDPROMPT TMPROMPT CFROM DFROM MFROM MTO MBX LASTMSG MTEXT NAVSTN NAVMSG HOST In Host mode t...

Страница 137: ...is the command line sent to a calling station by your AMTOR Maildrop in response to a Send message command The default text is GA subj GA msg EX to end Text before the first slash is sent to the user...

Страница 138: ...Chapter 7 Maildrop Operation 7 18 September 05...

Страница 139: ...s less prone to errors than 7 bit ASCII because of signal timing considerations The DSP provides Baudot RTTY at all the standard speeds in use today including all commercial speeds up to 300 bauds the...

Страница 140: ...ber at this point using the MODEM command For a list of available modems use the DIR command The following parameters are the most common settings for HF Baudot operation Check the parameters and make...

Страница 141: ...use BITINV to decode these simple forms of encoded RTTY stations Going on the Air Note Make sure your DSP is adjusted for your SSB transmitter as described in Chapter 3 Radio Installation under the he...

Страница 142: ...y when you end the conversation you ll type something like this Thanks again 73 and see ya later DE your call SK CTRL D Note Entering a CTRL F will have the DSP send a Morse ID of your callsign first...

Страница 143: ...ERS automatically so no separate keystroke is required Unshift On Space USOS automatically changes the received Baudot Murray code characters to the LETTERS or lowercase condition after any space char...

Страница 144: ...stations operate with a wide FSK shift of either 425 or 850 Hz To receive these stations set WIDESHFT ON With the proper license you can also transmit to these stations but remember to set WIDESHFT O...

Страница 145: ...Default 71 69 in AMTOR Mode Baudot ASCII RTTY Host AT n 0 255 specifies the number of characters on a line before a RETURN is automatically inserted in your transmitted text Entering a zero disables...

Страница 146: ...P reverts to receive The number n represents the length of time from the last character typed to the dropping of PTT This feature makes the repeated use of the commands RCVE and XMIT unnecessary AUdel...

Страница 147: ...rimenting with the 5BIT command CODe n Default 0 International Mode Baudot RTTY Morse AMTOR Host C1 n 0 to 6 specifies a code from the list below RX Receive TX Transmit CODE Meaning Morse Baudot AMTOR...

Страница 148: ...hange from ISS to the IRS To avoid this problem the DSP sends a FIGS Z when the key is pressed in AMTOR and responds to the reception of the FIGS Z sequence so the direction of traffic can be reversed...

Страница 149: ...tation is using You ll be able to see the message in either alphabet with minimal garbling then you can set CODE to either 0 or 3 Another interesting side effect of being able to send and receive in C...

Страница 150: ...ng Morse Baudot AMTOR Packet TOR lowercase RX TX CODE 7 applies to AMTOR operation only It codes upper and lowercase letters using the NULL character as a shift while in LTRS case This protocol is use...

Страница 151: ...able to continue sending some data while paused at the keyboard With DIDDLE on the DSP will send idle characters when waiting for keyboard entry EAS ON OFF Default OFF Mode Baudot ASCII AMTOR PACTORan...

Страница 152: ...bled the LTRS character causing FIGURES to be displayed Morse LOCK instructs the DSP to lock its timing circuits to the current measured speed of a received Morse signal This may improve the DSPs abil...

Страница 153: ...ll except packet Host Mw n 5 to 15 specifies roughly 10 times the ratio of one dot length to one inter element space length in transmitted Morse code A value of 10 results in a 1 1 dot space ratio A s...

Страница 154: ...entered QRTTY sets the DSP 232 modem that will automatically be selected when the Baudot or ASCII RTTY modes are entered See the BAUDOT ASCII and MODEM commands for more information RBaud n Default 4...

Страница 155: ...is reversed mark space reversal Use RXREV to invert the polarity of the data demodulated from the received mark and space tones So instead of space equalling zero it d be one mark would equal zero in...

Страница 156: ...figures numbers and punctuation not as the letters sent by the distant station USOS ON helps reduce these receiving errors WIdeshft ON OFF Default OFF Mode Baudot ASCII RTTY AMTOR PACTOR Host WI OFF...

Страница 157: ...ies an exact baud rate used in receiving ASCII and Baudot RTTY XBAUD enables hardware decoding of ASCII and Baudot signals using the DSPs 8530 Serial Communications Controller IC This can allow the DS...

Страница 158: ......

Страница 159: ...Chapter 8 ASCII and Baudot Operation September 05 8 1...

Страница 160: ...hen you re finished you d switch roles with him and he d call off his set of numbers When you re reading off your set of numbers transmitting you have control of the link since you re the sending stat...

Страница 161: ...one MYIdent now KBDIUXX cmd We suggest you create both a 4 and 7 character SELCALL Now that you ve entered your MYSELCAL and MYIDENT SELCALL codes you re ready to enter the AMTOR mode by simply enteri...

Страница 162: ...r the LED pattern below and adjust the frequency control accordingly Frequency too low Tuned in Frequency too high Your DSP will not print a block of data if the block contains the same information as...

Страница 163: ...transmitting Beginning a QSO After you connect with the other station what do you say or do You might say something like DE your call Howdy Name here is you and my QTH is location You re coming in sig...

Страница 164: ...ble to copy the other station s 3 Repeat Step 1 when you want to transmit again Hidden QSOs Say you want to send a message to a group of friends without other stations initially reading your message B...

Страница 165: ...Letters and Figures Case In the old days a key was used on mechanical teletype machines to differentiate between numbers letters and punctuation since AMTOR is limited to 32 different characters The...

Страница 166: ...escribed earlier in this chapter before putting your AMTOR Maildrop on the air TMAIL controls other stations access to your AMTOR and PACTOR MailDrop in the same way that the MAILDROP command controls...

Страница 167: ...L D TX Over ARQ To end a QSO while the other station has the link CTRL C R To grab the link away from the other station before he flips it over to you CTRL C text ACHG RETURN TX Idle ARQ TX Traffic AR...

Страница 168: ...or PACTOR signal strength is good and you observe periodic errors caused by the loss of phasing shown by re phase cycles in the middle of an ARQ contact during contacts it may be necessary to adjust...

Страница 169: ...mode B transmissions Use MYSELCAL and MYIDENT to enter your 4 and 7 character SELCALLs ARq aaaa aaa Immediate Command Mode AMTOR Host AC aaaa aaa The distant station s 4 character or 7 character SELCA...

Страница 170: ...s the automatic switching from AMTOR Listen to AMTOR FEC receive With ARXTOR ON an AMTOR FEC signal is detected by ALIST and PTLIST modes as well as AMTOR Standby mode AMTOR Standby ALIST and PTLIST a...

Страница 171: ...se AMTOR Host C1 n 0 to 6 specifies a code from the list below RX Receive TX Transmit CODE Meaning Morse Baudot AMTOR PACKET 0 International RX TX RX TX RX TX 1 US teleprinter RX TX RX TX 2 Cyrillic R...

Страница 172: ...r and the characters are lost when set to CODE 1 Since there is no character in the CODE 1 character set there should be no way to turn over the AMTOR link and change from ISS to the IRS To avoid this...

Страница 173: ...H character The Russians use a 4 because the Cyrillic character for CH resembles a 4 It s safe to leave CODE set to 2 if you re not sure which alphabet the transmitting station is using You ll be able...

Страница 174: ...ing parentheses instead US ASCII square bracket characters are used as extended alphabetic characters in most languages outside of English CODE 7 TOR lowercase Meaning Morse Baudot AMTOR Packet TOR lo...

Страница 175: ...P With DCDCONN ON the state of the radio DCD is sent to the RS 232 DCD pin pin 8 This may be necessary to some Host applications that need to know when the radio channel is busy EAS ON OFF Default OFF...

Страница 176: ...station can use your node Alternatively n can be thought of as the maximum number of pairs of stations which may be connected through your Gateway Your must have your MYGATE call entered and GUSERS se...

Страница 177: ...ctively MDMon ON OFF Default OFF Mode AMTOR PACTOR and packet Maildrop Host Mm OFF You don t monitor a connected station s activity in your Maildrop ON Lets you monitor a connected station s activity...

Страница 178: ...his function If n is set to a value between 1 and 250 the DSP will periodically issue a 20 wpm Morse ID For example a MID of 177 would cause a Morse ID to be sent every 1 770 seconds 29 5 minutes A Mo...

Страница 179: ...orse 750 Hz 21 OSCAR 13 Telemetry 400 bps BPSK cmd MTExt text Default See sample Mode AMTOR PACTOR and packet Maildrop Host Mt text Any printable message up to a maximum of 120 characters Spaces count...

Страница 180: ...ter SELCALL using the grouping table below GROUP CALL SELCALL 1 by 2 W1XY WWXY 1 by 3 W1XYZ WXYZ 2 by 1 AB1X AABX 2 by 2 AB1XY ABXY 2 by 3 KA1XYZ KXYZ Although the convention is to form the SELCALL fr...

Страница 181: ...CTRL D Mode Baudot ASCII Morse AMTOR PACTOR Host RE n 0 to 7F 0 to 127 decimal specifies an ASCII character code Parameter n is the numeric ASCII code for the character you ll use when you want the D...

Страница 182: ...rmally not available for decoding Set SRXALL ON to activate this feature TMail ON OFF Default OFF Mode AMTOR and PACTOR Host TL OFF The DSP only operates as a normal AMTOR CCIR 476 or 625 or PACTOR co...

Страница 183: ...n ASCII character code Interspersed command prompts and even the L and R commands would have no effect on the final data and it could be translated back to binary data with a computer program TXRev ON...

Страница 184: ...contents are sent to the radio as long as you haven t entered pressed SPACE RETURN LF etc With WORDOUT OFF each character you type is sent to the radio just as you typed it without any delay Also the...

Страница 185: ......

Страница 186: ...Chapter 9 AMTOR Operation September 05 9 1...

Страница 187: ...K MOPTT MORSE MSPEED RCVE TCLEAR XMIT XMITOK and WORDOUT Morse commands are listed and explained at the end of this chapter Terminal commands are listed and explained in Chapter 4 Special Morse Charac...

Страница 188: ...UTOTHR command adjust the Threshold so the DCD light goes out when no station is being received That way you ll prevent garbage characters from printing on your screen With a solid signal a good fist...

Страница 189: ...s and dahs you send out To operate QSK 1 Set up your radio for QSK keying per your radio s instruction manual 2 Put the DSP into the Morse mode cmd MO 3 Enter XMITOK OFF 4 Enter X 5 Type your message...

Страница 190: ...Not all the codes in the list above can be transmitted Note FCC Part 97 69 and 97 131 calls for the use of CODE 0 International Telegraph Alphabet Number 2 five unit teleprinter code The Baudot charac...

Страница 191: ...can be reversed US Teleprinter character set Lowercase set UPPERCASE SET 1 2 3 4 5 6 7 8 9 0 Q W E R T Y U I O P Q W E R T Y U I O P A S D F G H J K L A S D F G H J K L Z X C V B N M Z X C V B N M Th...

Страница 192: ...ting station is using You ll be able to see the message in either alphabet with minimal garbling then you can set CODE to either 0 or 3 Another interesting side effect of being able to send and receiv...

Страница 193: ...de of English CODE 7 TOR lowercase Meaning Morse Baudot AMTOR Packet TOR lowercase RX TX CODE 7 applies to AMTOR operation only It codes upper and lowercase letters using the NULL character as a shift...

Страница 194: ...core This is the character that the DSP displays when it receives a corrupted or bad character in Morse ARQ FEC PACTOR NAVTEX or TDM You may want to set this character to 2A asterisk 07 bell 20 space...

Страница 195: ...750 Hz 21 OSCAR 13 Telemetry 400 bps BPSK cmd MOPtt ON OFF Default ON Mode Morse Host Mo ON Enables PTT in Morse transmit mode OFF Disables PTT in Morse transmit mode MOPTT controls the PTT output in...

Страница 196: ...ust RETURN to the Command mode to use RCVE RECeive n Default 04 CTRL D Mode Baudot ASCII Morse AMTOR PACTOR Host RE n 0 to 7F 0 to 127 decimal specifies an ASCII character code Parameter n is the nume...

Страница 197: ...space character is transmitted but the destination station must be able to pass it AEA products should have MFILTER set to zero to allow backspaces to print Xmit Immediate Command Mode Baudot ASCII Mo...

Страница 198: ......

Страница 199: ...Chapter 10 Morse Operation September 05 10 1...

Страница 200: ...r SIAM looks for these pulses In the commercial bands mostly synchronous signals are used If you re tuned to a synchronous signal SIAM won t find the start and stop pulses or other recurring data patt...

Страница 201: ...l classes and tell you whether or not the signal is reversed by giving the status of RXREV ASCII ALIST Unknown 6 bit AMTOR Baudot noise TDM The complete signal analysis will look something like the fo...

Страница 202: ...the end of this chapter Setting Up for NAVTEX If you re using an AEA program follow the instructions in the program s manual to set up and use NAVTEX To enter the NAVTEX mode simply enter NA at the c...

Страница 203: ...an t be excluded and will always be copied if the transmitting station is enabled by NAVSTN The last two numbers form a message counter from 00 through 99 that s assigned as a reference number to each...

Страница 204: ...space ratio A setting of 5 results in a 0 5 1 ratio while a setting of 15 maximum results in a 1 5 1 ratio MWEIGHT applies only to the Morse transmit mode and the CW ID in all modes except packet MWEI...

Страница 205: ...is for advanced users interested in decoding unknown synchronous data transmissions SAMPLE is similar to the 5BIT and 6BIT modes but operates on synchronous data SAMPLE syncs up on any regularly pace...

Страница 206: ...top 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 affects the sense of the SAMPLE data it shouldn t be...

Страница 207: ......

Страница 208: ...Chapter 11 SIAM and NAVTEX Operation September 05 11 1...

Страница 209: ...or non acknowledge nack reception of the sent data The nack signal is sent by the receiving station when the error checking scheme CRC detects an error in the received data block Like packet PACTOR i...

Страница 210: ...to verify that you re in the PACTOR mode both STBY indicator lights should be lit Next you can choose which modem you want to use using the MODEM command followed by the specific modem number For a li...

Страница 211: ...ynchronize with whichever of the two linked stations has the link Monitoring two linked PACTOR ARQ stations doesn t provide the error correction enjoyed by the linked stations Since your DSP is not pa...

Страница 212: ...station Note while in STBY RCVE mode you won t be able to monitor other packets that the DSP hears Only in PTL mode can you monitor other PACTOR stations 3 After the DSP has sent your CQ wait a bit fo...

Страница 213: ...it buffer they won t be sent Bailing out like this isn t a recommended procedure since it leaves the other station holding the bag he won t know that you left until his software timer times out waitin...

Страница 214: ...oint This will change PACTOR s timing to allow for the extended radio propagation delay If data scrolls across your monitor at an even rate you can assume that you have a good ARQ link If the data hes...

Страница 215: ...mit buffer is empty CTRL E Sends a Who Are You WRU request to the other station This causes the other station to send its callsign and serial number of the PACTOR chips if it s a DSP232MBX CTRL F Unke...

Страница 216: ...lsign To grab the link away from the other station and interject text before he flips it over to you CTRL C ACHG RETURN text TX Idle ARQ To connect to a station that s calling CQ PTC callsign CONNECTE...

Страница 217: ...s the transmitter s PTT line and when the ARQ data actually begins to flow The ADELAY command allows you to adjust a variable delay from 10 to 90 mS to handle the PTT delay of different transmitters I...

Страница 218: ...FEC signal ARXTOR ON enables PTLIST mode to monitor AMTOR ARQ transmissions It also means an incoming AMTOR ARQ call is recognized in PACTOR Standby mode Only a call for the selcall in MYSELCAL is rec...

Страница 219: ...or disconnects from your station in packet or upon establishing a link in AMTOR or PACTOR CDelay n Default 0 n Can range from 1 to 4 with increments in 10 ms 1 is 10 ms 2 is 20 ms and so on CDelay ad...

Страница 220: ...busy EAS ON OFF Default OFF Mode Baudot ASCII AMTOR PACTOR and MORSE Host EA OFF Echos characters when sent to the DSP by the computer ON Echos characters actually sent on the air by the DSP The Echo...

Страница 221: ...simply enter the HEREIS character MDMon ON OFF Default OFF Mode AMTOR PACTOR and packet Maildrop Host Mm OFF You don t monitor a connected station s activity in your Maildrop ON Lets you monitor a co...

Страница 222: ...wpm Morse ID For example a MID of 177 would cause a Morse ID to be sent every 1 770 seconds 29 5 minutes A Morse ID will be transmitted only if a packet was sent since the last Morse ID The Morse ID...

Страница 223: ...See sample Mode AMTOR PACTOR and packet Maildrop Host Mt text Any printable message up to a maximum of 120 characters Spaces count as characters MTEXT is the Maildrop s answering machine message simi...

Страница 224: ...en t loaded your callsign into the DSP with MYPTCALL the callsign loaded in MYCALL will be used The difference between MYCALL and MYPTCALL is that MYCALL allows only the dash to be used while MYPTCALL...

Страница 225: ...l appear after a line space If you had just pressed RETURN at the end of the word paragraph you would ve forced a packet to be sent Press RETURN again and you would ve forced an empty packet to be sen...

Страница 226: ...er of bits necessary for a given message For messages consisting of non text information such as computer programs Huffman compression would need more bits than ASCII and would be less efficient If PT...

Страница 227: ...s no effect when PACTOR connection ends the unit will always return to PACTOR Standby PTSend n x Default 1 2 Mode PACTOR Host PD n 1 or 2 selects the transmit baud rate 1 100 baud 2 200 baud x 1 to 5...

Страница 228: ...y The following monitored frame is a sample KB6IUX TESTER UI This is a test message packet Byte Hex Shifted ASCII ASCII 000 A88AA6A8 8AA460AE 6494AAA0 406103F0 TESTER0KB6IUX0 x d a 010 54686973 206973...

Страница 229: ...lete words before the transmit buffer s contents are sent to the radio as long as you haven t entered pressed SPACE RETURN LF etc With WORDOUT OFF each character you type is sent to the radio just as...

Страница 230: ......

Страница 231: ...Chapter 12 PACTOR Operation September 05 12 1...

Страница 232: ...shooting section should help you out of common problem situations A Troubleshooting Primer The whole trick to troubleshooting is playing detective you re job is to determine the cause of the problem b...

Страница 233: ...ly or the supplied cable is polarized incorrectly the DSP won t work period If you re using a dedicated power cube for the DSP check it s polarity no manufacturer is perfect and on rare occasion the p...

Страница 234: ...Service Technical Support line at 206 775 7373 between 8 00 4 30 Pacific time weekdays Please have your DSP s serial number and firmware version date available The version date is listed the first sc...

Страница 235: ...ys after it has arrived at AEA if we have all the facts If we must call you it may take longer AEA isn t responsible for damage caused by lightning non professional alterations acts of God shipping da...

Страница 236: ...MYIDENT not enough memory available This message appears if you try to change to the FAX mode when the Maildrop is full Packet Error Messages In addition to the General Error Messages the following me...

Страница 237: ...or greater than the TXDELAY timer Packet Link Status Messages Link status messages show you the status of AX 25 connections in which your DSP is involved connect request call1 via call2 call3 call9 Y...

Страница 238: ...hich cause them to appear Sign on message AEA DSP232 Data Controller Copyright C 1995 by Advanced Electronic Applications Inc Release DD MMM YY cmd The sign on message appears when you turn on your DS...

Страница 239: ...information accompanying this message and call AEA s Technical Support department If possible print a DISP Z parameter listing ROM error checksum xxxx This message indicates there has been a failure...

Страница 240: ...Chapter 13 Troubleshooting September 05 13 9...

Страница 241: ...orrectly addressed serial COM ports incorrect wiring or poor solder joints Make sure you use only pins 1 3 and 8 8 in the DB 9 connector Also perform a check of the cable to make absolutely sure it s...

Страница 242: ...e and repair if necessary Wire correctly Load proper modem Change to desired Opmode Morse Problems Problem Symptom Cause Test Solution No Copy No displayed Morse THRESHOLD command not set correctly No...

Страница 243: ...r is using keyer or computer generated code Adjust volume level to DSP so tuning indicator s lights deflect to the right only when tone is present DSP needs a minimum of 200 mV of audio voltage to dec...

Страница 244: ...cable Set radio for proper mode Wrong case of characters displayed in Baudot FEC DSP missed LTRS or FIGS character Other station using or not using UnShift On Space USOS Use L or F command to force c...

Страница 245: ...wn Maildrop Exit your Maildrop enter a B for B ye Maildrop messages aren t date and time stamped When scanning the message list you see in the Date and Time fields DSP has been restarted since the clo...

Страница 246: ...input is connected XMITOK is OFF Fault in radio cable wiring Adjust Threshold control so that the DCD indicator is on when other stations are sending and is off when the channel is free Turn SQUELCH O...

Страница 247: ...f TXDELAY to key up on the air AUDELAY is too large for the value of TXDELAY you have chosen Adjust this control following the procedures in Chapter 3 where FM and SSB calibration procedure is detaile...

Страница 248: ...yed for this reason This was probably due to receiving a squelch burst or noise at the end of a valid transmission This packet may have been sent by a station using a higher level networking protocol...

Страница 249: ...appear on the screen PACTOR You re able to issue commands and receive confirmation from the DSP but no on air data is displayed AMTOR Station you re tuned to isn t sending in the mode you are set to r...

Страница 250: ...han 300 miles you have difficulty You have difficulties making ARQ links with stations with path distances over 10 000 miles using AMTOR ARQ Your radio sT R switching time is too slow resulting in you...

Страница 251: ...eshold control so that DCD illuminates only when other stations are sending Set jumper for correct PTT polarity Replace damaged component Q5 or contact AEA for assistance Sign on banner not correctly...

Страница 252: ...shift Turn WIDESHIFT ON You are not able to get a definite spread on the tuning bar when tuning this station Station may not be a teletype station for example it may be transmitting Facsimile Try ano...

Страница 253: ...ically unshift on space while your Data controller is configured to assume the sending station will revert to LTRS case when a space is received Set USOS to OFF When using ASCII you get garbled text f...

Страница 254: ...Chapter 13 Troubleshooting 13 9...

Страница 255: ...e the top chassis and carefully remove it Look for jumpers JP10 and JP11 near the fuse at the rear of the DSP 232 as shown in figure AD 1 below Jumper JP10 controls the output level of radio port 1 an...

Страница 256: ...DSP 232 Manual Addendum September 05 AD 2...

Страница 257: ...e 2 Your radio may not require a plug with 3 connections i e tip ring and sleeve We suggest you use the 3 connector stereo plug wired as shown so that if you change radios in the future to another mod...

Страница 258: ...ange the appropriate keying polarity jumper in the data controller see installation chapter for details Note 9 Based on our experiences with this radio and its RF susceptibility we recommend using thi...

Страница 259: ...Appendix A Radio Connections Radio Connection Diagrams September 05 A 3...

Страница 260: ...Appendix A Radio Connections A 4 September 05...

Страница 261: ...Appendix A Radio Connections September 05 A 5...

Страница 262: ...Appendix A Radio Connections A 6 September 05...

Страница 263: ...Appendix A Radio Connections September 05 A 7...

Страница 264: ...256K ROM 128K Standard expandable to 256K Hardware HDLC Zilog 8530 SCC Power Requirements 13 VDC 12 to 16 VDC 1A Input Output Connections Radio Interface One 5 pin DIN connector One 8 pin DIN connecto...

Страница 265: ...ted for replacement under this warranty must be paid by the purchaser Correct maintenance repair and use are important to insure proper performance from this product Carefully read this manual This wa...

Страница 266: ...umber is 332 628 To order or check price and availability call AEA s Upgrade Hotline at 206 774 1722 between 8 00 a m and 4 30 p m PST Monday through Friday You can also fax us your inquiries at 206 7...

Страница 267: ...Appendix D Mailbox Upgrade September 05 D 2...

Страница 268: ...Appendix E Schematics and Pictorial September 05 E 3...

Страница 269: ...A B 34 CE 33 D C 32 PCLK 20 INT 5 IEI 7 IEO 6 INTACK 8 TXDA 15 RXDA 13 TRXCA 14 RTXCA 12 VCC 9 SYNC A 11 WA 10 DTRA 16 RTSA 17 CTSA 18 DCDA 19 DCDB 21 GND 31 CTSB 22 RTSB 23 DTRB 24 WB 30 SYNC B 29 RT...

Страница 270: ...16 U27A 7474 D 2 CLK 3 Q 5 Q 6 PR 4 CL 1 U31B LM393 5 6 7 8 4 R55 1K C42 001 U21C 74HCT86 9 10 8 U28 14006 D1 1 D2 4 D3 5 D4 6 CLK 3 D1 4 13 D2 4 11 D2 5 12 D3 4 10 D4 4 8 D4 5 9 U32A 74HCT86 1 2 3 U...

Страница 271: ...53 RFS1 54 DR1 55 SCLK1 56 D0 58 D1 59 D2 60 D3 61 D4 62 D5 63 D6 64 D7 65 CLKOUT 43 XTAL 41 CLKIN 42 MMAP 17 GND 2 GND 10 GND 29 GND 49 D8 66 D9 67 D10 68 D11 1 D12 3 D13 4 D14 5 D15 6 D16 7 D17 8 D...

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