GB/T 17971.8-2010
Information technology.Keyboard layouts for text and office systems.Part 8:Allocation of letters to the keys of a numeric keypad (English Version)

Standard No.: GB/T 17971.8-2010
Language: Chinese, Available in English version
Release Date: 2010
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 17971.8-2010

Scope: Within the basic scope described in GB/T 17971.1, this part of GB/T 17971 specifies the letter assignment of the number partition ZN0 of the keypad numbers zero to nine "1-2-3" layout. The layout specified in this standard is intended to use letters instead of numbers for information technology equipment keyboards suitable for the retention of numerical information. On keyboards that also include an alphanumeric field, letters shall not be used in the numeric partition ZN0 to retain numerical information. Using two different sets of alphanumeric symbols in different ways can cause confusion for keyboard users.

GB/T 17971.8-2010 Referenced Document

GB/T 17971.1-2010 Information technology.Keyboard layouts for text and office systems.Part 1:General principles governing keyboard layouts
GB/T 17971.4-2010 Information technology.Keyboard layouts for text and office systems.Part 4:Numeric section

2010 GB/T 17971.8-2010 Information technology.Keyboard layouts for text and office systems.Part 8:Allocation of letters to the keys of a numeric keypad