IBM 3742 Reference Manual Download

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Summary of Contents for 3742

Page 1: ...Systems GA21 9151 0 IBM 3740 Data Entry System IBM 3741 Data Station IBM 3742 Dual Data Station Reference Manual...

Page 2: ...cteristics in terms of data flow modes of operation disk unit and buffers Chapter 4 defines the display unit and the keyboard Chap ters 5 through 12 eal with specific details about functions and featu...

Page 3: ...siderations for Deleted Records 18 Modulus 11 43 CE Mode 18 CHAPTER 11 COMMUNIGATIONS 44 CHAPTER 4 OPERATOR INTERFACE 19 Teleprocessing Bibliography 44 Display 19 Programming Support 45 Keyboard 20 Ne...

Page 4: ...13 PRINTER Uses Hardware Adjustable Margins Feature Forms Stand Feature Functions Printer Modes Printer Formatting ii 62 62 62 62 62 62 62 63 APPENDIX A ERROR AND ALERT CODES Disk Initialization Error...

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Page 7: ...ing by the 3740 system IBM 3713 Printer Designed to attach to the 3741 to provide hard copy output Chapter 1 IBM 3740 Data Entry System Thus as shown in Figure 1 the IBM 3740 is actually an integrated...

Page 8: ...1 I I I I I I I I I I I I I I I IBM 3742 Dual I Data Station I I _ _ _ _ 1 Decentral ized IBM 3741 Data Station Model 1 Figure 1 An Integrated Data Entry System 2 Legend Hand Transported Remote Locati...

Page 9: ...adapter Control Unit Display Unit Figure 2 IBM 3741 Data Station The IBM 3742 Dual Data Station Figure 3 is a stand alone device with two operator stations each with its own key board and disk unit T...

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Page 11: ...ature 1 to 128 characters Verify Feature Standard Production statistics Feature Standard Self checking number Feature Feature modulus 10 and 11 Offline field totals Feature Feature Onl ine field total...

Page 12: ...and weight to data stored One small disk can usually hold the entire day s output from the typical key entry station Improved data readout speeds This speed is advanta geous when either the 3741 Model...

Page 13: ...The first track on a disk called the index track and num bered 00 contains a maximum of 26 records for system or data set information All remaining tracks 01 through 73 can be used for data records E...

Page 14: ...he address of the first sector of the data set Positions 29 and 30 extent BOE contain the track number position 31 must be 0 positions 32 and 33 contain the sector number 34 Reserved End of extent 35...

Page 15: ...r diskette an L indicates the last diskette on which a continued data set resides 46 72 Reserved Verify mark 73 This field must contain a V or a blank V indicates the data set has been verified 74 Res...

Page 16: ...ten on the disk from this buffer and can also be dupl icated and placed in the current record buffer The hold buffer is used to store the next record to be processed when verifying data or to store a...

Page 17: ...e of operation automatically changes to enter mode However an auto return to index track is performed if the data set is protected by a write protect byte in the label a G error is displayed or if the...

Page 18: ...ursor position However the entire record is displayed 1 after the record is moved into the current record buffer 2 after a record backspace opera tion or 3 when an error occurs The keystroke follow in...

Page 19: ...ield press ALPHA SH1FT with the dash key Hexadecimal Data Verify hexadecimal data in the same way it is entered 1 Press HEX 2 Press two character keys correxponding to the hexa decimal digits wanted T...

Page 20: ...ound error occurs during a search to record address operation the data station returns to the data set label Search to End of Data To search to the last record of a data set end of data address minus...

Page 21: ...tarily on the status line However if the data in the deleted record matches the mask the search stops and the deleted record is displayed For example to search a data set for all records containing th...

Page 22: ...42 8 The third character of the record address of beginning of extent end of extent or end of data is other than O 9 The last record read and currently displayed is from track 00 sectors 1 through 7 1...

Page 23: ...the data set label Pressing this key in update mode if data was entered 1 2 3 Transfers the contents of the current record buffer to the previous record buffer Reads the next record into the current r...

Page 24: ...ad into the current record buffer If verify mode is selected from update or verify mode and the currently displayed record is a deleted one the next nondeleted record is read into the current record b...

Page 25: ...d_ Status Line 3 A A Chapter 4 Operator Interface Display mode A shows characters 1 through 40 on the first data display line and characters 41 through 80 on the second line Display mode B shows chara...

Page 26: ...e Status Line The 128 feature includes a scroll forward SCRL FWD key and a scroll backward SCRL BKWD key Pressing SCRL FWD moves the display from mode A to mode B or from mode B to mode C Pressing SCR...

Page 27: ...IFT Use this key to override programmed numeric shift Simultaneously hold down ALPHA SH I FT and the desi red character key CHAR ADV Use this key to move the cursor forward one position without changi...

Page 28: ...ey is pressed when already at the last record of the data set All disk 2 record advance operations end with the disk 2 address displayed and the cursor in position 1 of the record 22 DISK 2 REC BKSP U...

Page 29: ...er 4 In both cases data is copied from the present field position to the end of the field In a right adjust or self check field this key is only valid in the first position Press this key in verify mo...

Page 30: ...e beginning of extent address results in no action Record backspacing in the field correct mode causes an L error Record backspacing in the search mode is limited to the current record 24 RESET Use th...

Page 31: ...arch to the last record recorded in a data set SEL PROG Use this key to select the program Ievel desired in conjunction with keying a 0 through 6 on the 3742 or a 0 through 9 or A on the 3741 and the...

Page 32: ...d definition character is set to E the field continuation character is blanked and the position indicator is set to 00 on the 3742 and 000 on the 3741 or 3742 with the 128 feature Keying in position 0...

Page 33: ...ly duplicates Automatically skips Automatically skips Bypass numeric field during verify mode only Bypass alphabetic field during verify mode only Bypass right adjust numeric field with zero fill char...

Page 34: ...ow be modified by keying To reload this program follow the standard reloading procedure In verify or field correct mode this procedure gives an M error 28 PROGRAM CHAINING Program chaining is used whe...

Page 35: ...rogram in the next lower numbered program buffer that is the prompting record stored in program buffer 2 is associated with the program stored in program buffer 1 The maximum number of prompting recor...

Page 36: ...ter reaches 065 535 it is reset to 000 000 No over flow condition is indicated Verify Correction Keystroke Counter This counter counts the number of characters corrected during the verify modes or ent...

Page 37: ...ayed or when entering a field in a record that is programmed as a read out and reset field A good practice is to display field totals and reset the accumulators before starting an online field totals...

Page 38: ...t field Selection of second disk functions communications functions and print functions other than print record should be avoided to maintain online field total integrity Program load functions should...

Page 39: ...characters are ignored except those followed by a number Field totals fields are identified by following a field definition character with a 1 2 or 3 which specifies which of the three accumulators is...

Page 40: ...ot processed by the field totals program Displaying Offline Field Total Accumulators To display the contents of the field total accumulators on the display screen while in field totals mode do the fol...

Page 41: ...N12 E t Field totals field in positions 30 35 Type of Data Record Contents Program buffer 2 contains the program to add the field in positions 30 35 of the data record into accumulator 2 The program i...

Page 42: ...rogram buffer The mask statements follow Program Buffer 5 1010WA 025WB C 36 Selects program level 1 if position 10 contains an A and position 25 contains a B or a C 2050WO 1 2 3 Selects program level...

Page 43: ...e in position 36 and the keyboard will be inactive Disk 2 operations on the primary station now control this disk To return the 3742 to normal two station operation 1 Press FUNCT SEL lower on the prim...

Page 44: ...disk to be copied onto in the disk 1 drive 38 3 Position disk 1 on the index track to the sector where copying should begin For a full disk copy position the disk to sector 01 4 Position disk 2 to th...

Page 45: ...er then hold down NUM SHI FT and press SEARCH CONTENT or SEARCH ADDRESS and key the search mask either an address or record content Press FUNCT SEL upper then hold down NUM SHI FT and press COpy start...

Page 46: ...ns ERMAP followed by 75 blank characters If one or two bad tracks were specified the number of the first bad track will be in positions 7 and 8 of sector 5 with a zero in position 9 the number of the...

Page 47: ...bad track 11 and 12 show the second bad track Tracks that showed errors when checked are shown in data line 2 beginning in cursor position 4 t Each track shown is written with three characters follow...

Page 48: ...fy mode This allows a self check field to be skipped in enter mode and entered later in verify mode Numerals 0 through 9 and all other characters with the values 0 through 9 in the low order hex digit...

Page 49: ...of the basic number These weighting factors are 2 7 2 7 etc starting with the units position of the number excluding the self check digit and progressing toward the high order digit Multiply each digi...

Page 50: ...nications GA27 3004 Figure 23 Teleprocessing Bibliography 44 Programming Information equivalent facilities The BSC adapters used by the 3740 perform all functions necessary to establish line connectio...

Page 51: ...nt Telecommunications Networks Communications with System 360 370 can be via an IBM 2710 Data Adapter Unit IBM 2703 Transmission Control Unit IBM 3705 Communications Controller In addition communicati...

Page 52: ...duplex point to point Although the 3741 Model 2 operates in half duplex mode duplex private line facilities are recom mended to minimize line turnaround times Refer to the publications General Informa...

Page 53: ...inute 160 I 140 ro 120 I 100 r 80 I 40 50 60 70 80 90 100 110 120 128 Facility Switched Baud Rate 2400 bps Records Minute Transmit Receive 120 110 100 90 80 70 60 50 40 Figure 25 Part 1 of 3 3741 BSC...

Page 54: ...ity Nonswitched 130 Baud Rate 1200 bps 120 110 100 90 Records Minute 80 70 60 50 40 Transmit Receive 40 1 I 40 Figure 25 Part 2 of 3 3741 sse Throughput 48 50 50 r r r r r I 1 60 70 80 90 100 110 120...

Page 55: ...eive rransmit It Receive 1 One Disk f z 1898 Records Maximum I r 1 t r 1 r r r r 70 80 90 100 110 120 128 Characters Record With the second disk feature the same functions offered with one disk are av...

Page 56: ...terminal accepts any remote terminal identification sequence of up to 15 characters and the transmission or reception of data occurs as though the terminal identification feature were not installed If...

Page 57: ...l then be displayed on the status line of the CRT display to indicate the transmit mode When the 3741 is in transmit mode it can be connected to the telephone line through modem and subsequently trans...

Page 58: ...52 Start Loado l Position to Start of Data Set Label or First Record Yes Turn Keylock On Key Remote ID FUNCT SEL Upper and COMM No No Figure 26 Part 1 of 3 Operator Procedure Overview...

Page 59: ...Mode P Procedure Complete Figure 26 Part 2 of 3 Operator Procedure Overview Transmit Receive Mode B Insert Card Transmit Receive Transparent Mode 0 REC ADV Push Auto Answer Button on Modem Receive Mo...

Page 60: ...54 No Push Talk Button Dial CPU 3747 3741 Remote Gets Ready Including Push Data Button Push Data Button Procedure Complete Yes Auto Figure 26 Part 3 of 3 Operator Procedure Overview No No Yes...

Page 61: ...ng HDR1 Label Will Will Will Will not Will transmit if Will receive Must have a 1 in position 4 of label transmit receive transmit receive continuation after last Must have valid extents and record le...

Page 62: ...e data set if the disk was positioned on the data set label when the operator selected communications mode If the disk was positioned on a record within the data set the record length is deter mined b...

Page 63: ...o 73026 The BOE of disk two is always forced to 01001 Now data can be received and recorded on the disks on the same or subsequent telephone call in the same manner as for the receive mode When the 37...

Page 64: ...ion was completed Note that key entry programs for example may be stored on the disk without being affected by teleprocessing LINE TERMINATION AND ERROR CONDITIONS Termination of the Data Call On swit...

Page 65: ...the disk is positioned at the original position before transmission or reception took place and the modem is conditioned to automatically answer a telephone call if it is in an auto answer mode If th...

Page 66: ...of a data set with zero characters or with more than 128 characters or has received succeeding data blocks of differ ent length within the same data set the terminal indicates a wrong length check and...

Page 67: ...Label of the last data set received or next valid label if the remote device is a CPU Record in which the error occurred Status Message Format A status message is sent to the remote station after the...

Page 68: ...e central office computer for a run against consolidated inventory files and picking slips transmitted to the appropriate shipping warehouse for offline printing on the 3713 Reduced UFloat of Funds in...

Page 69: ...e printer control char acters determine the format of the output The choice of format control method depends on the user s requirements Local format control would probably be selected if Control and f...

Page 70: ...Records are printed one record per line with no format control Figure 33 Printer Format Program Selection 64 The characters in positions 2 through 128 specify tab stop positions and VFC vertical forms...

Page 71: ...er of characters specified by the number preceding the B format character but loads blanks instead of leading zeros 5 5 V P A R I N S L Character z D 14 N 0 3 O C U 3 4 t t t t 1 I I Y II I I I I I I...

Page 72: ...r program This printel format control character must be used at the end of every printer program It read the next record terminates the formattin and returns the format control to positior 001 of the...

Page 73: ...6 5 3 wlJ T llI 1E I j I M I i I lii li hi i I P R cl 11 1llr 02 le61 07V72 Ff i I II I e rr rmn r O 7 0 4 600 S 35 i 1 i i Y i i Ii Ii i i 2 co1 6 3000OS 35 i i 1 I I 1 oii 11 C 00 o 60 0 2 35 i xIi...

Page 74: ...SINK GENEF AT f PREVIOUS BALANCES BARISA WEST FRONT STREET WORLD WIDE CUST ORDER NO 219614 QUANTITY 0 1 6 10 3 Worldwide Distribution of Electronic Parts and Instrum ents INVOICE NUMBER 40280 UNIT PR...

Page 75: ...on line feed LF 25 Escape ESC A 27 A Skip to code 1 in program A Escape ESC B 27 B Skip to code 2 in program A Escape ESC C 27 C Skip to code 3 in program A Escape ESC 0 27 0 Skip to code 4 in program...

Page 76: ...H H 12 30LLT258 1478TBATTERYT 6 15NNH654 3210HGENERATORH LLT T T 1 1 1 11 1 2 3 4 5 6 7 a 9 0 1 2 3 4 t rr 102 1 1 5 6 K 6 H T 2H T 11 7 a l OIH T 3 62H T 1 2 2 2 222 9 0 1 2 345 3 r NNH H H 6 06LLT3...

Page 77: ...n 128 on the 3741 or on the 3742 with 128 feature BOE EOE or EOO sector is 00 or Reset and enter correct sector greater than 26 The third position in BOE EOE Reset and insert zero or EOO is non zero O...

Page 78: ...disk setup is improper Prepare second disk G Write protect Enter E or verify V mode is Reset and inspect label selected with the data set protected Attempt was made to write on the Reset return to in...

Page 79: ...two keys pressed Reset and press the hex key and the following the hex isn t a hex two hex characters character l Incorrect SCRl FWD SCRl BKWD Reset and press appropriate key function CHAR ADV or FIEL...

Page 80: ...on content was attempted Reset and reselect correct mode from update U mode when currently on the last record in the data set DISPLAY PROG was pressed in con Reset and reselect correct mode junction...

Page 81: ...data had been entered into the current record P Program The key following SEL PROG or PROG Reset and rekey sequence LOAD isn t a program number A new program was selected while Reset and position cur...

Page 82: ...s the wrong type of fill character The error occurs when the first non fill character is encountered RIGHT ADJ or dash key was Reset and correct field pressed before all characters in the field have b...

Page 83: ...ess RIGHT AOJ or dash key end of a right adjust field in verify depending on corresponding sign V mode y Empty data set Verity V update U or search S Reset and inspect label for desired data set mode...

Page 84: ...h specified in the data set label 2 No record found No record corresponding to the Numeric shift and reset and retry operation current disk address could be found 3 Seek No track corresponding to the...

Page 85: ...d incorrectly Bad track Bad tracks are not entered in Reset and reenter in ascending sequence specification ascending sequence Bad tracks More than two bad tracks are on the Reset and retry disk initi...

Page 86: ...80...

Page 87: ...60 buffers current record 10 definition 10 hold 10 previous record 10 bypass field definition code 31 card reader feature operator identification 50 carrier common see common carrier CE mode 1 8 cent...

Page 88: ...C BKSP key 22 DISK 2 RETURN TO INDEX key 22 diskette advantages 1 6 description 6 display verify mode 12 DISPLAY DATA key 22 DISPLAY FIELD NAME key 23 82 DISPLAY FIELD PROG key 23 DISPLAY FIELD TOTALS...

Page 89: ...tification sequence 50 identification field sector 7 writing 40 identification sequence terminal 50 identification sequence compare remote terminal 50 incorrect function error 73 incorrect label error...

Page 90: ...ontrol 66 local format control 65 modes 62 private line channels 46 84 62 62 66 PROD STAT DISPLAY key 23 productions statistics description 30 display 30 PROG DISPLAY key 23 PROG LOAD key 24 PROG NUM...

Page 91: ...k digit 42 description 42 error recovery 42 self check fields 42 SEQ CONTENT SEARCH key 25 sequence terminal identification 50 sequence code sector 40 sequence compare remote terminal identification 5...

Page 92: ...or correction 12 hexadecimal data 13 record advance 12 right adjust fields 12 signs 13 skip functions 12 verification code 12 vertical forms control character VFC 86 64 VFC vertical forms control char...

Page 93: ...for your use Each reply will be carefully reviewed by the persons responsible for writing and publishing this material A11 comments and suggestions become the property of IBM Note Please direct any r...

Page 94: ...l Systems Division Development Laboratory Rochester Minnesota 55901 International Business Machines Corporation Data Processing Division 1133 Westchester Avenue White Plains New York 10S04 U S A only...

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Page 96: ...hines Corporation Data Processing Division 1133 Westchester Avenue White Plains New York 10604 U S A only IBM World Trade Corporation 821 United Nations Plaza New York New York 10017 International o o...

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