of Annex 3. The accelerator shall be kept in depressed condition until the rear of the vehicle reaches line BB'. In case of non-locked transmission conditions, the test may include a gear ratio change to a lower range and a higher acceleration. A gear change to a higher range and a lower acceleration is not allowed. If possible, the manufacturer shall take measures to avoid that a gearshift leads to a condition not in compliance with the boundary conditions. For that, it is permitted to establish and use electronic or mechanical devices, such as alternate gear selector positions. If no such measures can be applied, the rationale shall be provided and documented in the technical report. 2.5.2. Measurements reading: Per test point, one single run is carried out. For every separate test run, the following parameters shall be determined and noted: The maximum A-weighted sound pressure level of both sides of the vehicle, indicated during each passage of the vehicle between the two lines AA' and BB', shall be mathematically rounded to the first decimal place (Lwot,κj). If a sound peak obviously out of character with the general sound pressure level is observed, the measurement shall be discarded. Left and right side may be measured simultaneously or separately. For further processing, the higher sound pressure level of both sides shall be used. The vehicle speed readings at AA', PP’ and BB' shall be rounded and reported with the first significant digit after the decimal place. (vAA,κj; vPP,κj; vBB,κj) If applicable, the engine speed readings at BB' shall be reported as a full integer value (nBB,κj). 2.5.3. The calculated acceleration shall be determined in accordance to the formula in paragraph 3.
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Sources: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles
of Annex 3. The accelerator shall be kept in depressed condition until the rear of the vehicle reaches line BB'. In case of non-locked transmission conditions, the test may include a gear ratio change to a lower range and a higher acceleration. A gear change to a higher range and a lower acceleration is not allowed. If possible, the manufacturer shall take measures to avoid that a gearshift leads to a condition not in compliance with the boundary conditions. For that, it is permitted to establish and use electronic or mechanical devices, such as alternate gear selector positions. If no such measures can be applied, the rationale shall be provided and documented in the technical report.
2.5.2. Measurements reading: Per test point, one single run is carried out. For every separate test run, the following parameters shall be determined and noted: The maximum A-weighted sound pressure level of both sides of the vehicle, indicated during each passage of the vehicle between the two lines AA' and BB', shall be mathematically rounded to the first decimal place (Lwot,κj). If a sound peak obviously out of character with the general sound pressure level is observed, the measurement shall be discarded. Left and right side may be measured simultaneously or separately. For further processing, the higher sound pressure level of both sides shall be used. The vehicle speed readings at AA', PP’ and BB' shall be rounded and reported with the first significant digit after the decimal place. (vAA,κj; vPP,κj; vBB,κj) If applicable, the engine speed readings at BB' shall be reported as a full integer value (nBB,κj).
2.5.3. The calculated acceleration shall be determined in accordance to the formula in paragraph 3.
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of Annex 3. The accelerator shall be kept in depressed condition until the rear of the vehicle reaches line BB'. In case of non-locked transmission conditions, the test may include a gear ratio change to a lower range and a higher acceleration. A gear change to a higher range and a lower acceleration is not allowed. If possible, the manufacturer shall take measures to avoid that a gearshift leads to a condition not in compliance with the boundary conditions. For that, it is permitted to establish and use electronic or mechanical devices, such as alternate gear selector positions. If no such measures can be applied, the rationale shall be provided and documented in the technical report. Table 1 in Appendix to Annex 3 provides examples for valid measures to control the downshift of gears. Any measure used by manufacturer for the above-mentioned purposes shall be documented in the test report.
2.5.2. Measurements reading: Per test point, one single run is carried out. For every separate test run, the following parameters shall be determined and noted: The maximum A-weighted sound pressure level of both sides of the vehicle, indicated during each passage of the vehicle between the two lines AA' and BB', shall be mathematically rounded to the first decimal place (Lwot,κj). If a sound peak obviously out of character with the general sound pressure level is observed, the measurement shall be discarded. Left and right side may be measured simultaneously or separately. For further processing, the higher sound pressure level of both sides shall be used. The vehicle speed readings at AA', PP’ and BB' shall be rounded and reported with the first significant digit after the decimal place. (vAA,κj; vPP,κj; vBB,κj) If applicable, the engine speed readings at BB' shall be reported as a full integer value (nBB,κj).
2.5.3. The calculated acceleration shall be determined in accordance to the formula in paragraph 3.
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Sources: Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles