Radio Shack TRS-80 CGP-220 User Manual Download

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Summary of Contents for TRS-80 CGP-220

Page 1: ...TRS 80 CGP 220 OPERATION MANUAL Catalog Number 26 1268 1tad1elhaek TRS BO COMPUTER PROOUCTS...

Page 2: ...es the right to refuse to service the equipment or to void any remaining warranty on the equipment 2 If any Radio Shack computer equipment has been modified so that it is not within manufacturer s spe...

Page 3: ...PMENT OR SOFTWARE SOLD LEASED LICENSED ORFURNISHED BYRADIO SHACK INCLUDING BUTNOTLIMITED TO ANY INTERRUPTION OFSERVICE LOSS OFBUSINESS ORANTICIPATORY PROFITS ORCONSEQUENTIAL DAMAGES RESULTING FROM THE...

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Page 5: ...12 Connecting the CGP 220 to a TRS 80 12 Power Up Sequence 13 Replacing the Ink Packs 13 4 Using the CGP 220 General Printer Operation 15 Control Codes 15 Sending Control Codes from BASIC 15 5 General...

Page 6: ...reen Dump 29 Appendix A Control CodeSummary 31 Appendix B Characters Sets 33 Appendix C Programming Information 37 Appendix D Care and Maintenance 39 Appendix E Transportation and Storage 41 Appendix...

Page 7: ...heet paper or roll paper The CGP 220 can also reproduce graphic displays from a TRS 80 Color Computer All you need besides a 16K Color Computer is the Radio Shack Color Computer Screen Dump Program Th...

Page 8: ...2...

Page 9: ...called the subtractive system although it is most often known as the YMC method The CGP 220 uses the YMC method Color monitors on the other hand use light rays to create color and therefore use the RG...

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Page 11: ...I oN J Control Panel Figure 2 1 Front View CDPaper Cutter When using Roll Paper 26 1333 pull against edge of the Cutter to tear paper off Ink Pack Compartment The Ink Packs are housed inside this comp...

Page 12: ...rinter ON or OFF LINE When ON LINE the Printer can operate with a computer To operate other front panel switches or to stop printing the Printer must be OFF LINE IMPORTANT NOTE FOR COLOR COMPUTER USER...

Page 13: ...600 Figure 2 4 Rear View CDPower CordConnector Connect the supplied power cord here Parallel Interface Connector If your Computer has parallel interface capabilities connect the appropriate Printer C...

Page 14: ...8...

Page 15: ...tic Power Controller 26 1429 If you must use an extension cable use the shortest one possible PaperLoading The CGP 220 uses either Single Sheets 26 1341 or Roll Paper 26 1333 Single SheetPaperLoading...

Page 16: ...6 Pull the Paper Release Lever forward again to align the paper then push it toward the rear 7 Turn the Manual Feed Knob to return the paper to the desired printing position 8 Close the Paper Cover 9...

Page 17: ...at it stops atposition I as shownin Figure 3 1 5 The ALERTIndicator will blink for about ten seconds This is normal After it stops blinking you may turn the power OFF 6 Closethe Paper Cover Important...

Page 18: ...checking the Ink Jet Mechanism you may check general printer operation and printing quality with the CGP 220 s built in self test 1 Turn the power OFF 2 Turn the power ON while pressing the FEED Swit...

Page 19: ...t you consult your owner s manual for details on powering up your TRS 80 with peripheral devices such as printers Replacingthe Ink Packs Your CGP 220 comes with two Ink Packs installed The BlackInk Pa...

Page 20: ...Pack in the right slot Failure to observe the above precautions may damage your Printer Special Note If the CGP 220 is operated in locations 1000 or more meters above sea level 3 280 low air pressure...

Page 21: ...r symbols However some special sequences of code numbers are used to control various Printer functions These Control Codes allow you to instruct the Printer to perform certain special functions For ex...

Page 22: ...16 For example to send the code for a carriage return and a line feed type LPRINT CHR 13 IENTERI as part of program or in the immediate mode and you willsee the paper advance one line...

Page 23: ...feed the CGP 220 memorizes the new line feed and advances paper this amount the next time it receives a Carriage Return Line Feed code To demonstrate the difference in the line feeds type the followin...

Page 24: ...peration Text Bit Image and Color Scan You may move the Print Head to any of 640 dot positions within each line The code to accomplish Print Head movement is LPRINTCHR C27 CHR C16 CHR Cn1 CHR Cn2 wher...

Page 25: ...printed see Appendix Bfor a list of all printable characters You may substitute the entire CHR n2 with a printable character enclosed in quotes This can be very useful in underlining printing graphic...

Page 26: ...available with the CGP 220 10 LPRINTCHR 27 11 T11 CHR 48 11 BLAC 11 20 LPRINTCHR 27 T CHR 49 11 RED 11 30 LPRINTCHR 27 T CHR 50 GREEN 40 LPRINTCHR 27 T CHR 51 11 YELLOW 11 50 LPRINTCHR 27 T CHR 52 BL...

Page 27: ...ing the CGP 220 in the Bit Image Mode To get out of the Bit Image Mode send a CHR 30 to the Printer The Printer will then return to whatever Mode it was in before you switched to the BitImage Mode The...

Page 28: ...22...

Page 29: ...ch dot column you want to use 4 Tell the Printer what you want to print You can do this in a number of different ways For now just keep this overall process in mind For example after entering the Bit...

Page 30: ...m unexplained particularly the role of CHR 255 in line 20 What CHR 255 does in fact is cause the CGP 220 to print an entire column of dots in dot column 144 That s an example ofall 7 dots printed at o...

Page 31: ...20 LPRINT CHR C27 CHR C16 CHR C0 CHR C144 CHR 201 Remember how CHR 255 printed a solid vertical bar all dots printed Ifyou add all the individual Dot sin a column and then add 128 to that number 255 w...

Page 32: ...ction are also available in the Bit Image Mode Mixing Modes You can mix the Bit Mode and the Text Mode in the same line However if you do descending text characters like p q y etc will be missing the...

Page 33: ...ting Graphic Patterns The format for specifying color printing in this Mode is number of dot rows to be printed red data green data blue data The first piece of information number of dot rows tells th...

Page 34: ...llowing lines to modify the previous program 30 LPRINTCHR 195 CHR 195 CHR 195 40 LPRINTCHR 51 CHR C51 CHR 51 50 LPRINTCHR 60 CHR 60 CHR C60 The program will print each of the three dot rows as red red...

Page 35: ...screen dumps in four colors Whenever a screen dump routine is executed you have the option of selecting a background color Green Black or White You should be aware that the color chosen will determine...

Page 36: ...30...

Page 37: ...B l0 ESCPOS Moves the Print Head to a position nl n2 specified by nl and n2 27 54 IB 36 ESC6 Defines full line feed 1 6 27 56 IB 38 ESC8 Defines three quarter line feed 1 8 28 nl n2 1C nl n2 FS Define...

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Page 39: ...43 59 3B 73 36 24 44 60 3C 74 37 25 45 61 3D 75 38 26 46 62 3E 76 39 27 47 63 3F 77 40 28 50 64 40 100 41 29 51 65 41 101 A 42 2A 52 66 42 102 B 43 iB 53 67 43 103 C 44 2C 54 68 44 104 D 45 2D 55 69 4...

Page 40: ...57 126 w 111 6F 157 0 88 58 127 X 112 70 160 p 89 59 130 y 113 71 161 q 90 SA 131 z 114 72 162 r 91 5B 132 115 73 163 s 92 SC 133 116 74 164 t 93 SD 134 117 75 165 u 94 SE 135 118 76 166 V 95 SF 136 1...

Page 41: ...3 SPACE 203 CB 313 u 172 AC 254 SPACE 204 cc 314 173 AD 255 SPACE 205 CD 315 ii 174 AE 256 SPACE 206 CE 316 a 175 AF 257 207 CF 317 6 176 BO 260 208 DO 320 E 177 Bl 261 A 209 Dl 321 re 178 B2 262 b 21...

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Page 43: ...ill occur 6 Line feed in the Bit Image Mode advances the paper 7 dots 0 12 inch 7 Bit Image and Text Mode can be used in the same line However descending text characters p q j g etc willbe missing the...

Page 44: ...50 LPRINT BACK TO NORMAL Prints normal elongated and then normal characters again LPRINTCHR 28 CHR 9 ABC Prints 9 characters of A s and one character BC 10 LPRINTCHR 27 CHR 16 CHR 1 CHR 44 20 LPRINT T...

Page 45: ...OFF and carefully remove object Be sure to turn the power OFF when replacing the Ink Packs Use only lint free cloth to clean the Printer s surface Do not use solvents or harsh cleaning agents Mild det...

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Page 47: ...1 Do not remove the Ink Packs when moving Printer If removed the ink may solidify 2 Be careful not to jolt the Printer or expose it to vibration Storage Do not remove Ink Packs for storage Be sure to...

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Page 49: ...pply pumping 2 6 power on times pack No No No j No Remedy G Check the power cord connection and power switch Clear the carriage lock and reset the paper correctly Press the ON LINE OFF LINE switch Che...

Page 50: ...44...

Page 51: ...ers sec standard characters 2630 dots sec graphics Printing Direction Bi directional line scanning Maximum Number of 91 for standard characters Column 45 for elongated characters Printing Pitch Vertic...

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Page 53: ...RET 3 DATA2 In 21 DATA2 RET 4 DATA3 In 22 DATA3 RET 5 DATA4 In 23 DATA4 RET 6 DATA5 In 24 DATA5 RET 7 DATA6 In 25 DATA6 RET 8 DATA In 26 DATA7 RET 9 DATA8 MSB In 27 DATA8 RET 10 ACK Out 28 ACK RET 11...

Page 54: ...rising edge may occur coincident with the falling edge of BUSY or up to 5 microseconds later The ACK pulse must be a minimum of 5 microseconds wide PAPER OUT Out The PAPER OUT signal is a positive goi...

Page 55: ...SY Line feed operation ACK Carriage return DATAI 8 DSTB BUSY Printing time ACK Serial Interface Signal pin assignment Signal pin no Signal name 1 NC No Connection 2 STATUS 3 GND 4 DATA Figure H 2 Seri...

Page 56: ...r whether or not the printer can accept data The off condition Low indicates that the printer is BUSY and cannot accept any more data The on condition High indicates the printer is NOT BUSY and can ac...

Page 57: ...03 D4 D5 D6 D7 SROSC STATUSRE ID Rfw 4 F Alf AO A6 A7 AB Vee Z5 A8 Vee 24 A9 EPRO 2 IUO PGM 23 Alf 2 Af2 402 Zf JFFF OE CE 22 20 605 G 74 LS 39 12 ADDRESSDECODER R44 2 2K AB 23 A9 22 AIO If A O RAM2...

Page 58: ...ause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following...

Page 59: ...WORTH TEXAS 76102 CANADA BARRIE ONTARIO L4M 4W5 AUSTRALIA 91 KURRAJONG AVENUE MOUNT ORUITT N S W 2770 5A3 PUB IE03 137C TANDY CORPORATION BELGIUM PARCINDUSTRIEL DENANINNE 5140 NANINNE 1183B2 U K BILST...

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