Terrestrial trunked radio tetra - conformance testing specification - part 4 : protocol testing specification for direct mode operation ; sub - part 4 - 6 : abstract test suite for direct mode repeater dm - rep type 1 endorsement of the engli 标志;灯具;特种道路车辆摘要本标准规定了在特种车辆警车消防车工程救险车救护车上安装使用的标志灯具的产品分类技术要求试验方法及标志。
The system offers a range of unique features that are not available from other wireless communication platforms : fast call set - up time ; excellent group communication support ; direct mode operation between radios without going through the radio infrastructure ; packet data and circuit data transfer services ; frequency economy ; and excellent security features 系统拥有少其他无线通讯平台缺乏的独特功能,如快速接驳通话出色的群组通讯支援通讯机之间不必经过无线电基建而以直接模式运作封包数据和电路数据传送服务频率便宜和优良的保安功能。
Direct mode, also known as immediate mode is a computing term referring to the input of textual commands outside the context of a program. The command would be executed immediately and the results printed on screen, in contrast to programming mode where nothing would be executed until a specific command was given (BASICs RUN is an example of a direct mode command.