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    188宝金博页面版: GMW 16227-2020

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    内容提示： Template For ENG STDS WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW16227 OnStar Mono Mix Performance Evaluation Procedure ? Copyright 2020 General Motors Company All Rights Reserved February 2020 Page 1 of 5 1 Introduction Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. To describe the procedures for evaluating the OnStar Mono...

    文档格式：PDF | 页数：5 | 浏览次数：24 | 上传日期：2021-07-09 10:23:07 | 文档星级：
    Template For ENG STDS WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW16227 OnStar Mono Mix Performance Evaluation Procedure © Copyright 2020 General Motors Company All Rights Reserved February 2020 Page 1 of 5 1 Introduction Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. To describe the procedures for evaluating the OnStar Mono Mix settings and determining the delta values for Mono Mix. The delta value is the difference between the OnStar volume level and the radio source (Amplitude Modulation (AM), Frequency Modulation (FM) or Satellite radio brand (XM)) volume level as it pertains to the volume curve. 1.2 Applicability. This test procedure is applicable to vehicles with the OnStar System and active Mono Mix feature in the radio. 1.3 Remarks. ? The audio-source-to-OnStar delta is the difference in the position on the volume curve between the OnStar volume and the listener’s selected audio source during a Mono Mix session. ? This OnStar Turn-By-Turn (TBT) navigation volume performance evaluation is a subjective evaluation and shall be completed with TBT guidance. ? The procedures in GMW15853 shall be completed before this test is begun. ? The equalization (EQ) settings of the radio or audio system amplifier will affect the overall performance of the Mono Mix session. If an adjustment in the EQ settings has been made in the radio or in the amplifier, repeat this procedure. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. GMW15853 2.3 Additional References. ? CG2498, GMW Mono Mix Evaluation Data Sheet (ID) (ID) = This document is limited to internal distribution within General Motors and shall not be distributed outside this company. Contact the GM Lead Engineer for further instructions. 3 Resources 3.1 Facilities. This vehicle level test is to be performed while driving and performing TBT navigation. 3.1.1 Calibration. The test facilities and equipment shall be in good working order and shall have a valid calibration label. 3.1.2 Alternatives. Alternative test facilities and equipment may also be used. However, all measuring variables as specified in this standard shall be determined correctly with respect to their physical definition. 3.2 Equipment. 3.2.1 Computer and vehicle communications bus equipment and software. Copyright General MotorsProvided by IHS Markit under license with General MotorsLicensee=Shenzhen Institute of Standards and Technology 9972181Not for Resale, 2020/6/2 03:19:19 No reproduction or networking permitted without license from IHS--`,,``,,,,,`,`,,```,`,`,`-`-``,```,,,`---

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