GB/T 9309-1988 Office machines and data processing equipment - Typewriter function key symbols

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

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 deletionwwW.bzxz.Net
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.
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.
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