| 8.2. |
If a special warning lamp contains two or more optical systems, all the optical systems shall work in phase within each half of a complete "bar" which is designed to extend on the width of the vehicle. In such a case, for the purpose of measurement of effective intensity, only one half of the "bar" shall be energized so that the light emission from the side not being measured is not added into the side being measured. The timing measurements as described in paragraph 6.1. of this annex apply to the operating half of the "bar".
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a2c0 |