All change reports
UN R28 change reports — Audible warning devices
UN Regulation No. 28 (ECE R28) — Uniform provisions concerning the approval of audible warning devices and of motor vehicles with regard to their audible warning signals.
00 series
- 00 series — Supplement 7
The definition of “audible warning device” in paragraph 2.1. adds “or operated by an ADS, as defined in paragraph 11.4.”.
- 00 series — Supplement 6
New paragraph 2.4.5. defines “Electronic” as a principle of operation by electric or electro-magnetic force with amplifier and speaker or resonator.