信息技术 文字和办公系统键盘布局 第4部分：数字部分

[中文适用范围]： 在ISO/IEC 9995-1描述的一般范围内，本文件规定了键盘的数字部分以及该部分到各区域的划分。 它规定了数字部分中数字区域ZNo和功能区域ZN1内按键的排列、数量和位置，以及按键的功能分配。 数字区域ZNo用于诸如文本和数据处理、通用办公环境、银行、销售点（POS）、远程信息服务、电话设备、家庭电子系统、机器和设备的数控、个人识别码（PIN）输入等应用的键盘。 功能区域ZN1用于诸如数据输入、文本和数据处理、通用办公环境等应用的键盘。 注：其中某些应用由ITU-T负责。 [外文原描述]： Within the general scope described in ISO/IEC 9995-1, this document specifies the numeric section of a keyboard and the division of that section into zones. It specifies the arrangement, the number and the location of the keys in the numeric zone ZN0 and in the function zone ZN1 of the numeric section, as well as the allocation of functions to the keys. The numeric zone ZN0 is to be used in keyboards for applications such as text and data processing, general office environment, banking, point of sales (POS), telematic services, telephony apparatus, home electronic systems, numerical control of machinery and equipment, input of personal identification number (PIN), etc. The function zone ZN1 is to be used in keyboards for applications such as data entry, text and data processing, general office environment, etc. NOTE Certain of these applications are under the responsibility of the ITU-T.