This standard specifies the symbols used to identify typewriter function keys. In use, only the symbols are used instead of their names. GB/T 9309-1988 Symbols for typewriter function keys for office machines and data processing equipment GB/T9309-1988 Standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China Office machines and data processing equipment Typewriter function key symbols Office machines aad data processing equipment-Function key symbols on typewritersGE 9309—88 This standard is equivalent to the international standard ISD1090--1981 "Office machines and data processing equipment typewriter function key symbols". Main content and scope of application This standard specifies the symbols used to identify typewriter function keys. When used, only the symbols are used instead of their names. 2 Referenced standards ISO7000 (and its Appendix 1) Graphic symbol index, list GB5465.2 Graphic symbols for electrical equipment 3 Symbol table Note: This standard does not specify the exact drawings and sizes of symbols. Serial number Line boundary removal Backspace for left-to-right typing Backspace for right-to-left typing Carriage return for left-to-right typing Carriage return for right-to-left typing Non-decimal tabulation for left-to-right typing Approved by the Ministry of Electronics Industry of the People's Republic of China on April 26, 1988 GB 5465.2 Symbol number ISU7000 Symbol number 065138 Implemented on December 1, 1988 TAB+ or T+ TAB— or T- GB 9309-88 Non-decimal tabulation for right-to-left typingDecimal tabulation·—represents 1 Decimal tabulation-two-represents 10 Decimal tabulation-·—represents 100 Decimal tabulation- represents 1000 —represents 10000 Decimal tabulation Decimal tabulation-—-represents 100 000 Decimal attenuation Decimal deletion Decimal tabulation Tabulation position set Tabulation position release Line spacing Indicates 1000000 Indicates 10000000 Indicates 100000000 Paper roll-in or roll-out control Symbol number SO7000 Symbol number Note: 1) Simplified header shape of I50 7000 No. 0019. 2) Side symbol of No. 1052 3) See ISO7000/Appendix 1 4) Side symbol of No. 0651. 5) Side check symbol of No. 0001. bzxz.net Additional remarks: GB9309—88 This standard was drafted by the State-owned Factory 734 and the Standardization Research Institute of the Ministry of Electronics Industry of the People’s Republic of China. The main drafters of this standard are Zhang Yaobao, Zhang Anzheng, Tao Liusheng, Shao Jian and Wang Lijian. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.