Radio Shack TRS-80 DT-1 Owner'S Manual Download Page 1

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Summary of Contents for TRS-80 DT-1

Page 1: ...TRS SO DT 1 Owner s Manual ladl8 haeK A DIVISION OF TANDY CORPORATION FORT WORTH TEXAS 76102...

Page 2: ......

Page 3: ...TWARE SOLD LEASED L1CENSED OR FURNISHED BY RADIO SHACK INCLUDING BUT NOT L1MITED TO ANY INTERRUPTION OF SERVICE LOSS OF BUSINESS OR ANTICIPATORY PROFITS OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE...

Page 4: ...l Qwner s Manual Copyright 1982 Tandy Corporation Fort oorth Texas 761 0 2 U S A AlI Rights Reserved Reproduction or use without express written permission from Tandy Corporation of any portion of th...

Page 5: ...32 al lvt xle COIRTB nds 33 4 Troubleshooting and Maintenance 37 5 S ifications 39 Appendix AI The ASCII Character set 4l Appendix B Table of Keyboard COdes 43 Appendix C Keyboard B IUivalents for Cb...

Page 6: ...IJI l TRs ao Own_er_ _s_Man u a l _ lIadle haell 4...

Page 7: ...t is the controlling computer in a rnultiple computer system Consequently the cperation and caPabilities of your Data Terminal are limited only by the limitations of the Host corrputer your Terminal c...

Page 8: ...forrration unless they1 re connected to a Host other special fea tures of the or l include A 7 key console keyboard that includes a 12 key nur ric pad and conforms to standard Data Terminal keyroard f...

Page 9: ...differ from Host to Host r r T illHIJCD 1 D ll IH JI iJI llIJll fa WIl J1 I JI Figure 1 The DT l Keyboard Console There are two parts of the DT l keyboard On the left is the standard typewriter style...

Page 10: ...gure 2 DT I Keyboard Press this key once and the DT I will use uppercase letters aIl capitals only Press again and the DT I will use upper lowercase letters you ll have ta press SHIFT before uppercase...

Page 11: ...eans interrupt Pressing this key sends a space of 3 4 second duration to the Host Enter key This key is similar to the tyPewriter s carriage return and tells the Host to accept the data type since th...

Page 12: ...d are exactly the same as the numbers on the top row of keys but include a decimal point and an ENTER key conveniently located for efficient data entry pressing SHIFT and a number on the Keypad is not...

Page 13: ...ys press SHIFT then the appropriate arrow key CI Special Function This character is sometimes used as carriage return CD Special Function f1 l F2l lZ J and lU Special Function FI sends the code al to...

Page 14: ...nd Controls 1 RS 232 Connection Jack to connect the DT l to a Host computer a modem or a system network connector 2 SeriaI Printer Connection Jack 3 Parallel Printer Connection Jack 4 AC Power Cord 5...

Page 15: ...nvenient PCMer requirer nts for aIl Radio Shack products are sPecified on the units and in the owner s ma nuals see SPecifications You can connect the ur l to a Host COmputer System directly via a cab...

Page 16: ...this adapter to connect tVl O rrale terminated cables together This adapter will not fit through the lJI 1 or Mcx 1el III cases Null M xlem Adapter 2 female to male Use this adapter to swap pins so a...

Page 17: ...rrputer Note that the RS 232 Interface nust be as described in Table 2 Signal Function IJl 1 pin to TRS 8 Pin GP TD RD RI S crs DSR SG CD DI R Ground Protective Transmit rata Receive rata Receive to s...

Page 18: ...lug of a Null MJdem Adapter 26 1496 3 Connect the male plug of the Adapter to the MJdel 11 16 Serial Channel A B 4 Insert a Terrninator Plug into any unused serial Channel or 1 Connect the male plug o...

Page 19: ...of a Model III RS 232 Extender 26 1497 4 Connect the male plug of the Extender to the M del III or 1 Connect the male plug of a Model III RS 232 Extender 26 1497 to the RS 232 Jack of the lJII 1 2 Co...

Page 20: ...4 Connect the other end card Edge of the a1 x ve Cable to the RS 232 Jack on the el l Expansion Interface 5 Set the COMM TERM Switch to TERM or 1 Connect the male plug of the el III RS 232 Extender 26...

Page 21: ...ther end of the above cable to the RS 232 Jack on the MJdern I II or MJdern II on1y 1 Connect the male p1ug of the MJde1 III R8 232 Extender 26 1497 to the RS 232 Jack of the DI 1 2 Connect the ferra1...

Page 22: ...ack 8ee your Printer s owner s mmual for details on Printer connection and use 11 11111111111 t Figure 6 Paralle1 Printer COnnection If you are using a serial printer connect the Terminal to Printer c...

Page 23: ...l isn t connected to and communicating with a Host when you turn the power on a Cursor will appear in the upper left corner of the Screen after a few seconds The cursor may be a small white rectangle...

Page 24: ...TRS SO O_w_n e_r_ _s M a n u a l o _ Figure 9 DT I Cursor Initial Power up If you donlt see anything adjust the Video Brightness and Contrast Contrais 1 Figure IJ DT I Video Control Adjustment ftadle...

Page 25: ...hite SCreen instead of the typical white on black Unlike ma ny other Terminals which have mechanical DIP switches which you IIDlst set the DT I uses software selectable switches which are rrore conven...

Page 26: ...ow key press 4 To move the Cursor down a 1ine press the down arrow key press 8 to go up a 1ine press up arrow 2 Or you can press SPACEBAR and the Cursor will move down a 1ine but jump to the first lin...

Page 27: ...Text End of Transrrdssion These t U switches define the terrrdnating character which follows a number key connand If you will he using these sequences f ind out what your Host Corrputer requires and...

Page 28: ...set Ready Disconnected l Connected This is a signal that indicates whether the Host is ready for data If is selected the lJI l will respond to this signal and stop sending data to the Host when the DS...

Page 29: ...bit Try one stcp bit if garbled data results use two stcp bits OiE CXId or Even Parity select fJ Odd Parity l Even Parity If the Parity select see PAR below is set to l this switch controls whether o...

Page 30: ...length set it to 1 BR Baud Rate Select BR3 BR2 BRl BR l 75 l 11 l l 15 1 3 1 l 6 1 1 12 1 l l 24 1 48 1 l 96 1 l l 96 l l 96 1 l l 96 1 l l 96 l l l l 96 96 l l 192 _ _ One of ten baud rates nay he se...

Page 31: ...the end of a line is reached on the SCreen If set to the Cursor will not nove down and back to the left until ENTER is pressed F H Full or Half 1 lplex select Full l Half set this switch to Full Duple...

Page 32: ...nds solely on the DT l S mple r o Paraneter Display The settings above indicate the DT I is ernulating a Televideo 9l terminal with a carriage return follawing a control sequence Norrrai video is bein...

Page 33: ...o store 1 0 parar ters perrranently 1 When you ve established the para rn ters you need press ENTER 2 The 1 1 will ask if you want to store the paraueters perrranently Press y yes 3 The 1 1 will displ...

Page 34: ...is handled by the printers in different forms but in like rranner For exemple the serial printer rrust be set up to accept data at the sam baud rate that the Terminal is using The Parallel printer wil...

Page 35: ...If a paraIleI printer sets the BUSY line after each character and i t is BUSY for longer than one character tir determined by baud rate the DI l nay detect the BUSY signal after each character is sent...

Page 36: ...he ESC would not he transmitted It would he detected by the DI l and the Printer channel would he enabled In sor cases rrore than one letter is c perated on but not transmitted in the Local M rle For...

Page 37: ...l White on Black video in the 8et Up Paraneters then ESC b will reverse that setting and you will see black letters on a white screen If you chose Reverse Black on White video in the set up parar ters...

Page 38: ...this m de A CONTROL S is sent to the Host System telling it to halte SHIFl ESC Escape COde sequence Followed by one or rrore keys this sequence sends the Escape Code indicated to the lJI 1 for local u...

Page 39: ...the character generator ROM or with the Video RAM If you suspect this is a problem check with your local Radio Shack Computer center To turn the self Test off press 0 Then press CLEAR or SHIFT CLEAR t...

Page 40: ...o paraneters are correct for your System Be sure to use the correct baud rate for your roodem Be sure the corrputer you are using for a oost has its RS 232 channel properly configured i e Baud Rate WJ...

Page 41: ...tive nen cendensing 18 5 x 12 x 21 17cm x 31 cm x 53cm 23 4 lbs 1 5kg Note that the RS 232 e Interface nust he as described in Table 3 Signal Functien Dr l Pin te TRS 8 Pin GP Greund Pretective l l TD...

Page 42: ...3 Data l Bit 1 of output data byte 5 Data 2 Bit 2 of output data byte 7 Data 3 Bit 3 of output data byte 9 Data 4 Bit 4 of output data byte Il Data 5 Bit 5 of output data byte 13 Data 6 Bit 6 of outpu...

Page 43: ...1fO A 12 LlNE FEED 74 4A 112 J Il fOB f013 Cl RL K 75 4B 113 K 12 fOC fOl4 crRL L 76 4C 114 L 13 fOD fOlS REI URN 77 4D 115 M 14 fOE f016 Cl RL N 78 4E 116 N 15 F fOl7 Cl RL 0 79 4F 117 0 16 1fO 2fO...

Page 44: ...44 2B 54 l 08 6e 154 1 45 2e f055 lf09 6D 155 m 46 2E f056 llfO 6E 156 n 47 2F f057 III 6F 157 0 48 3fO f06fO fO 112 7fO 16fO P 49 31 f061 1 113 71 161 q 5fO 32 f062 2 114 72 162 r 51 33 tf63 3 115 73...

Page 45: ...the Alphabet will be uppercase with or without SHIFT and keys with two syml x ls on them will produce the top syrnbol only when SHIFT is pressed Lower Key Case CI RL Key SHIFT key CI RL SHIFT Key 2C...

Page 46: ...7F 7F 7F 7B SB lB 7D ID 5D ID SPACE 2 2 2 2 BAR LINE A A A A FEED CLEAR lA lA IB2A IB2A BREAK 1 ENTER D D D 2 ESC lB lB Table of ASCII by Keypress Notes 1 This key causes the ur l to send a Space of 7...

Page 47: ...7E 4 34 144 2 8 8 5 35 145 2 lE lE 6 36 146 2 l 7 37 147 2 l 8 38 148 2 B B 9 39 149 2 2 2E 7e ENI ER D D D 1 Key sequence 2 is a standard ASCII sequence which nany Hosts interpret as a special funct...

Page 48: ...DI l TRS BO _ _ CMn_e_r_ S Man Ual _ Itadlelhaell 46...

Page 49: ...l TRS SD Appendi x cl Keyboard valents for camon Terminals The following pages are a quick reference guide to four of the llDre cc xmon terminals in use Use the guide for the Terminal you are enula ti...

Page 50: ...link Video Invisible Blink Reverse Video Invisible Reverse Reverse Blink Reverse Invisible Blink Underline Invisible Underline Blink Underline Invisible Blink Underline Reverse Urrlerline Invisible Re...

Page 51: ...cations IDad Cursor Row L d Cursor Column L d Cursor Row and COlumn Read Cursor Row and COlumn Deviee COntrols Enable Keyboard Disable Keyboard Enable Printer Port Disable Printer Port Enable Transpar...

Page 52: ...e Video Invisible Reverse Reverse Blink Reverse Invisible Blink Urrlerline Invisible Underline Blink Underline Invisible Blink Urrlerline Reverse Urrlerline Invisible Reverse Urrlerline Reverse Blink...

Page 53: ...r Colurnn I Da d CUrsor Row and COlurnn Read CUrsor Row and Colurnn Deviee COntrols Enable Keyboard Disable Keyboard Enable Printer Port Disable Printer Port Enable Transparent Print Disable Transpare...

Page 54: ...ow or CTRL L TAB or CTRL l ESC 1 ESC 2 ESC 3 SHIFl TAB or ESC l Erase to End of Line Erase to End of Page Clear SCreen to Nulls Clear SCreen to Spaces Bell Visual Attributes Half Intensity On Half Int...

Page 55: ...Enable Keyboard Disable Keyboard Enable Printer Port Disable Printer Port Enable Transparent Print Disable Transparent Print Auto SCroll ON OFF Toggle nitor nitor On M nitor Off nitor On local M nito...

Page 56: ...Invisible Blink Underline Invisible Underline Blink Underline Invisible Blink Under1ine Reverse Underline Invisible Reverse Underline Reverse Blink Underline Invisible Reverse Blink Underline Display...

Page 57: ...Row Read Cursor Column and Row D wice COntrols Enable Keyboard nisable Keyboard Enable Printer Port nisable Printer Port Enable Transparent Print nisable Transparent Print Monitor M rle COntrois weal...

Page 58: ...Dr l TRS SD _ _OWn_er_ s M m u al _ lIadaelllael 56...

Page 59: ...ash at a periodic rate Busy A signal sent to a Host by a printer telling the Host that the printer is blsy and not to send rrore data Carriage Return Returns the Cursor to column one of the sarre line...

Page 60: ...e Televideo 91 0 then every key pressed on the IJl 1 will function exactly as if it were pressed on the Televideo 91 0 Enabled Turned on Permitted to function Even Parity The number of bits in a chara...

Page 61: ...the parity bit is set resulting in an odd number hence odd parity When received the number of bits set in the character is again counted and if an even number results then the parity bit ITllst be set...

Page 62: ...a typewriter type tab for the entire SCreen vertically at the Cursor position Transparent Video Characters typed on the Keyboard are sent to the Host echoed to the Terminal but NOl displayed on the S...

Page 63: ...nd function The DI l will transmit ASCII codes based on the current position The following list shows the line and column positions and their ASCII codes Line Nurnber Column Nurnber Code Line Nurnber...

Page 64: ...Manual Line Nurnber Co1umn Number Code Line Nurnber Co1umn Nurnber Code 53 T 67 b 54 U 68 c 55 V 69 d 56 W 7 e 57 X 71 f 58 Y 72 g 59 z 73 h 6 74 i 61 75 j 62 76 k 63 77 1 64 78 ID 65 79 n 66 a 8 0 D...

Page 65: ...s the Mnennnic abbreviation and ASCII code for each Character Mnem nic Code Key NUL CTRL SH saH l crRL A Sx STX 2 crRL B EI X 3 CTRL C E r ID 4 CTRL D E Q ENQ 5 eI RL E AC K 6 CI RL F Br BEL 7 eI RL G...

Page 66: ...R D 3 OC3 13 CI RL S D 4 OC4 14 CI RL T NA 15 CI RL U Sy SYN 16 CI RL V ErB 17 CI RL W C N CAN 18 CI RL X EM 19 CI RL y SB SUB lA CTRL Z E C ESC lB ESC F S ES lC leftarrow GS ID rightarrow R S RS lE...

Page 67: ...ves the right ta refuse ta service the equlpment or to void any remaining warranty on the equipment 2 If any Radio Shack computer equlpment has been modifled sa that It is not within manufacturer s sp...

Page 68: ...FORT WORTH TEXAS 76102 CANADA BARRIE ONTARIO L4M 4WS TANDY CORPORATION AUSTRALIA 280 316 VICTORIA ROAO RYDALMERE N S W 2116 8749325 BELGIUM PARC INDUSTRIEL DE NANINNE 5140 NANINNE U K BILSTON ROAD WE...

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