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`E/ECE/324/Rev.1/Add.45/Rev.6−E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
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`
`
`11 July 2016
`
` Agreement
`
` Concerning the Adoption of Uniform Technical Prescriptions for
`Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be
`Used on Wheeled Vehicles and the Conditions for Reciprocal
`Recognition of Approvals Granted on the Basis of these Prescriptions*
`
`(Revision 2, including the amendments which entered into force on 16 October 1995)
`
`_________
`
` Addendum 45 – Regulation No. 46
`
` Revision 6
`
`Supplement 2 to the 04 series of amendments – Date of entry into force: 18 June 2016
`
` Uniform provisions concerning the approval of devices for indirect
`vision and of motor vehicles with regard to the installation of these
`devices
`
`This document is meant purely as documentation tool. The authentic and legal binding text is:
`ECE/TRANS/WP.29/2015/84.
`
`_________
`
`UNITED NATIONS
`
`
`
`
`
`
`
`* Former title of the Agreement: Agreement Concerning the Adoption of Uniform Conditions of
`Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts, done at
`Geneva on 20 March 1958.
`
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`

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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`
`Regulation No. 46
`
`
`
` Uniform provisions concerning the approval of devices for
`indirect vision and of motor vehicles with regard to the
`installation of these devices
`
`Contents
`
`
`
`Regulation
`
`Page
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`1.
`
`Scope ...............................................................................................................................................
`
`5
`
`I. Devices for indirect vision
`
`2. Definitions ....................................................................................................................................
`
`3. Application for approval .................................................................................................................
`
`4. Markings .........................................................................................................................................
`
`5. Approval ..........................................................................................................................................
`
`6. Requirements ...................................................................................................................................
`
`7. Modification of the type of device for indirect vision and extension of approval ............................
`
`8. Conformity of production ................................................................................................................
`
`9.
`
`Penalties for non-conformity of production ....................................................................................
`
`10.
`
`Production definitively discontinued ...............................................................................................
`
`11. Names and addresses of Technical Services responsible for conducting
`approval tests, and of Type Approval Authorities ............................................................................
`
`II.
`
`Installation of devices for indirect vision
`
`12. Definitions .......................................................................................................................................
`
`13. Application for approval .................................................................................................................
`
`14. Approval ..........................................................................................................................................
`
`15. Requirements ...................................................................................................................................
`
`16. Modifications of the vehicle type and extension of approval ..........................................................
`
`17. Conformity of production ................................................................................................................
`
`18.
`
`Penalties for non-conformity of production ....................................................................................
`
`19.
`
`Production definitively discontinued ...............................................................................................
`
`20. Names and addresses of Technical Services responsible for conducting
`
`approval tests, and of Type Approval Authorities ...........................................................................
`
`21. Transitional provisions ....................................................................................................................
`
`5
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`8
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`10
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`
`Annexes
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`4
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`Information document for type approval of a device for indirect vision .........................................
`
`57
`
`1
`
`2
`
`Information document for type approval of vehicle with
`respect to the installation of devices for indirect vision ..................................................................
`
`3 Communication concerning the approval or refusal or extension or withdrawal
`of approval or production definitively discontinued of a type of device for indirect vision,
`pursuant to Regulation No. 46 .........................................................................................................
`
`4 Communication concerning the approval or refusal or extension or withdrawal
`of approval or production definitively discontinued of a type of vehicle with regard
`to the mounting of devices for indirect vision, pursuant to Regulation No. 46 ...............................
`
` Appendix ..........................................................................................................................................
`
`5 Arrangement of approval mark for a device for indirect vision .......................................................
`
`6 Test method for determining reflectivity .........................................................................................
`
`7
`
`8
`
`Procedure for determining the radius of curvature "r" of the reflecting surface of a mirror ............
`
`Procedure for determining the "H" point and the actual torso angle for seating positions
`in motor vehicles .............................................................................................................................
`
` Appendix 1 - Description of the three-dimensional "H" point machine (3-D H machine) ...............
`
` Appendix 2 - Three-dimensional reference system ..........................................................................
`
` Appendix 3 - Reference data concerning seating positions ..............................................................
`
`9
`
`(Reserved) .......................................................................................................................................
`
`10 Calculation of the detection distance for CMS of Classes V and VI ................................................
`
`11 Determination of the displayed object size for CMS of Classes V and VI.......................................
`
`12 Test methods and safety provisions for CMS of Classes I to IV ......................................................
`
`58
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`60
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`62
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`63
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`64
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`65
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`1.
`
`1.1.
`
`
`
`
`
`Scope
`
`This Regulation applies:
`
`(a)
`
`To compulsory and optional devices for indirect vision, set out in the
`table under paragraph 15.2.1.1.1. of this Regulation for vehicles of
`category M and N1 and to compulsory and optional devices for indirect
`vision mentioned in paragraphs 15.2.1.1.3. and 15.2.1.1.4. of this
`Regulation for vehicles of category L1 with bodywork at least partly
`enclosing the driver;
`
`(b)
`
`To the installation of devices for indirect visions on vehicles of
`categories M and N and on vehicles of category L1 with bodywork at
`least partly enclosing the driver.
`
`1.2.
`
`This Regulation does not apply to devices other than those prescribed under
`paragraph 1.1.(a) and their installation, for observing the vision area(s)
`immediately adjacent to the front and/or the passenger's side of vehicles of
`category M1, M2, M3, N1 and N2 ≤ 7.5 t.
`
` I.
`
` 2.
`
`
`
`
`
`Devices for indirect vision
`
`Definitions
`
`
`
`For the purposes of this Regulation:
`
`2.1.
`
`2.1.1.
`
`2.1.1.1.
`
`2.1.1.2.
`
`2.1.1.3.
`
`2.1.1.4.
`
`2.1.1.5.
`
`"Devices for indirect vision" means devices intended to give a clear view of
`the rear, side or front of the vehicle within the fields of vision defined in
`paragraph 15.2.4. These can be conventional mirrors, camera-monitors or other
`devices able to present information about the indirect field of vision to the
`driver.
`
`"Mirror" means any device, excluding devices such as periscopes, intended to
`give a clear view to the rear, side or front of the vehicle within the fields of
`vision defined in paragraph 15.2.4. by means of a reflective surface.
`
`"Interior mirror" means a device as defined in paragraph 2.1.1. above, which
`can be fitted in the passenger compartment of a vehicle.
`
`"Exterior mirror" means a device as defined in paragraph 2.1.1. above, which
`can be mounted on the external surface of a vehicle.
`
`"Surveillance mirror" means a mirror other than the ones defined in paragraph
`2.1.1. above which can be fitted to the inside or outside of the vehicle in order
`to provide fields of vision other than those specified in paragraph 15.2.4. of
`this Regulation.
`
`"r" means the average of the radii of curvature measured over the reflecting
`surface, in accordance with the method described in Annex 7.
`
`"The principal radii of curvature at one point on the reflecting surface (ri)"
`means the values obtained with the apparatus defined in Annex 7, measured on
`
`
`
`
`
`1 As defined in the Consolidated Resolution on the Construction of Vehicles (R.E.3.), document
`ECE/TRANS/WP.29/78/Rev.4. -
`www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions.html
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
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`
`
`the arc of the reflecting surface passing through the centre of this surface
`parallel to the segment b, as defined in paragraph 6.1.2.1.2.1. of this Regulation
`and on the arc perpendicular to this segment.
`
`2.1.1.6.
`
`"The radius of curvature at one point on the reflecting surface (rp)" means the
`arithmetical average of the principal radii of curvature ri and
`, i.e.:
`
`
`
`2.1.1.7.
`
`2.1.1.8.
`
`2.1.1.9.
`
`"Spherical surface" means a surface, which has a constant and equal radius in
`all directions.
`
`"Aspherical surface" means a surface, which has only in one plane a constant
`radius.
`
`"Aspherical mirror" means a mirror composed of a spherical and an aspherical
`part, in which the transition of the reflecting surface from the spherical to the
`aspherical part has to be marked. The curvature of the main axis of the mirror
`is defined in the x/y coordinate system defined by the radius of the spherical
`primary calotte with:
`
`Where:
`
`R:
`
`nominal radius in the spherical part
`
`
`
`k:
`
`a:
`
`constant for the change of curvature
`
`constant for the spherical size of the spherical primary calotte
`
`"Centre of the reflecting surface" means the centre of the visible area of the
`reflecting surface.
`
`"The radius of curvature of the constituent parts of the mirror" means the
`radius "c" of the arc of the circle which most closely approximates to the curved
`form of the part in question.
`
`"Camera-monitor system (CMS)" means a device for indirect vision as defined
`in paragraph 2.1., where the field of vision is obtained by means of a camera-
`monitor combination as defined in paragraphs 2.1.2.1. and 2.1.2.2. below.
`
`"Camera" means a device that renders an image of the outside world and then
`converts this image into a signal (e.g. video signal).
`
`"Monitor" means a device that converts a signal into images that are rendered
`into the visual spectrum.
`
`"Other devices for indirect vision" means devices as defined in paragraph 2.1.
`above, where the field of vision is not obtained by means of a mirror or a
`camera-monitor device.
`
`"Vision support system" means a system to enable the driver to detect and/or
`see objects in the area adjacent to the vehicle.
`
`"Luminance contrast" means the brightness ratio between an object and its
`immediate background/surrounding that allows the object to be distinguished
`from its background/surroundings. The definition is in accordance with the
`definition given in ISO 9241-302:2008.
`
`2.1.1.10.
`
`2.1.1.11.
`
`2.1.2.
`
`2.1.2.1.
`
`2.1.2.2.
`
`2.1.3.
`
`2.1.4.
`
`2.1.5.
`
`6
`
`
`
`
`r'
`i
`
`
`r
`p
`
`
`
`r
`i
`
`
`
`r'
`i
`
`2
`
`
`y
`
`
`
`
`R
`
`2
`( R
`
`
`
`
`
`2
`x
`)
`
`
`
`3
`
`
`
`) a
`( x k
`
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`2.1.6.
`
`2.1.7.
`
`2.1.8.
`
`2.1.9.
`
`2.1.10.
`
`2.1.11.
`
`2.1.12.
`
`2.1.13.
`
`"Resolution" means the smallest detail that can be discerned with a perceptual
`system, i.e. perceived as separate from the larger whole. The resolution of the
`human eye is indicated as "visual acuity".
`
`"Critical object" means a cylindrical object with a height of 0.50 m and a
`diameter of 0.30 m.
`
`"Critical perception" means the level of perception that can just be obtained
`under critical conditions via the viewing system used. This corresponds to the
`situation in which the representative scale of the critical object is multiple times
`larger than the smallest detail that can be perceived via the viewing system.
`
`"Field of vision" means the section of the tri-dimensional space which is
`monitored with the help of a device for indirect vision. Unless otherwise stated,
`this is based on the view on ground level offered by a device and/or devices
`other than mirrors. This may be limited by the relevant detection distance
`corresponding to the critical object.
`
`"Detection distance" means the distance measured from the centre of the lens
`of the camera to the point at which a critical object can just be perceived (as
`defined by the critical perception).
`
`"Visual spectrum" means light with a wavelength within the range of the
`perceptual limits of the human eyes: 380-780 nm.
`
`"Smear" is a bright line displayed on the monitor while sun light or light from
`other bright light sources is directly hitting into the lens of the camera.
`
`Mirror and CMS dual function system" means a CMS of Class I in which a
`monitor complying with this regulation is placed behind a semi-transparent
`mirror complying with this regulation. The monitor is visible in the CMS
`mode.
`
`2.2.
`
`"Type of device for indirect vision" means devices that do not differ on the
`following essential characteristics:
`
`(a)
`
`(b)
`
`(c)
`
`Design of the device inclusive, if pertinent, the attachment to the
`bodywork;
`
`In the case of mirrors, the class, the shape, the dimensions and radius of
`curvature of the mirror's reflecting surface;
`
`In the case of camera-monitor systems, the class, the field of view, the
`magnification and resolution.
`
`"Surveillance camera-monitor-recording device" means a camera and either a
`monitor or recording equipment other than the camera-monitor system defined
`in paragraph 2.1.2. above which can be fitted to the inside or outside of the
`vehicle in order to provide fields of vision other than those specified in
`paragraph 15.2.4. of this Regulation or to provide a security system within or
`around the vehicle.
`
`"Class of device for indirect vision" means all devices having one or more
`common characteristics or functions. They are classified as follows:
`
`Class I: "Rear-view device", giving the field of vision defined in paragraph
`15.2.4.1.
`
`Class II and III: "Main rear-view device", giving the fields of vision defined in
`paragraphs 15.2.4.2. and 15.2.4.3.
`
`2.3.
`
`2.4.
`
`2.4.1.
`
`2.4.2.
`
`7
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`
`
`2.4.3.
`
`2.4.4.
`
`2.4.5.
`
`2.4.6.
`
`2.5.
`
`2.6.
`
`Class IV: "Wide-angle view device", giving the field of vision defined in
`paragraph 15.2.4.4.
`
`Class V: "Close-proximity view device", giving the field of vision defined in
`paragraph 15.2.4.5.
`
`Class VI: "Front-view device", giving the field of vision defined in paragraph
`15.2.4.6.
`
`Class VII: Main rear-view mirrors intended for L category vehicles with
`bodywork giving the field of vision defined in paragraph 15.2.4.7.
`
`"Point light source detection factor - PLSDF" means the level of distinctness
`of a pair of point light sources, based on luminance intensities and horizontal
`and vertical dimension of the rendition on the monitor.
`
`"Point light source contrast factor - PLSCF" means the level of distinctness of
`a pair of point light sources, based on luminance differences between the
`maximum luminance of the luminance profile LH,max and the minimum
`luminance of the luminance profile LH,min in the horizontal direction (see Figure
`3 of Annex 12).
`
`
`
` 3.
`
`
`
`Application for approval
`
`3.1.
`
`3.2.
`
`3.3.
`
`The application for approval of a type of device for indirect vision shall be
`submitted by the holder of the trade name or mark or by his duly accredited
`representative.
`
`A model of information document is shown in Annex 1.
`
`For each type of device for indirect vision the application shall be accompanied
`by three samples of the parts.
`
`3.4.
`
`The CMS shall be provided by the applicant with the following documents:
`
`(a)
`
`Technical specification of the CMS; and
`
`(b) Operator's manual.
`
`
`
` 4.
`
` Markings
`
`4.1.
`
`4.2.
`
`The samples of devices for indirect vision submitted for approval shall bear the
`trade name or mark of the manufacturer; this marking shall be clearly legible
`and be indelible.
`
`Every device for indirect vision shall possess, on at least one of the main
`components a space large enough to accommodate the approval mark, which
`shall be legible; this space shall be shown on the drawings referred to in Annex
`1. The approval mark shall also be legible when the device is mounted on the
`vehicle with exception of camera-monitor devices as defined in paragraph
`2.1.2. Other components of the device shall bear a means of identification. In
`the case of limited space for the approval mark(s), other means of identification
`that link it to the approval mark shall be provided.
`
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` 5.
`
`
`
`Approval
`
`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`5.1.
`
`5.2.
`
`5.3.
`
`5.4.
`
`5.4.1.
`
`5.4.2.
`
`5.4.3.
`
`5.5.
`
`5.6.
`
`If the samples submitted for approval meet the requirements of paragraph 6. of
`this Regulation, approval of the pertinent type of device for indirect vision shall
`be granted.
`
`An approval number shall be assigned to each type approved. Its first two digits
`(at present 04) shall indicate the series of amendments incorporating the most
`recent major technical amendments made to the Regulation at the time of issue
`of the approval. The same Contracting Party shall not assign the same number
`to another type of device for indirect vision.
`
`Notice of approval or of refusal or of extension or withdrawal of approval or
`of production definitively discontinued of a type of device for indirect vision
`pursuant to this Regulation shall be communicated to the Parties to the
`Agreement which apply this Regulation by means of a form conforming to the
`model in Annex 3 to this Regulation.
`
`There shall be affixed, on at least one of the main components, conspicuously
`and in the space referred to in paragraph 4.2. above, to every device for indirect
`vision, conforming to a type approved under this Regulation, in addition to the
`mark prescribed in paragraph 4.1. above, an international approval mark
`consisting of:
`
`A circle surrounding the letter "E" followed by the distinguishing number of
`the country which has granted approval;2
`
`An approval number;
`
`Additional symbol(s) I or II or/and III or/and IV or/and V or/and VI or/and VII,
`specifying the class to which the type of device for indirect vision belongs. The
`additional symbol shall be placed in any convenient position in the vicinity of
`the circle containing the letter "E".
`
`The approval mark and the additional symbol(s) shall be clearly legible and be
`indelible.
`
`Annex 5 to this Regulation gives an example of the arrangement of the
`aforesaid approval mark and additional symbol.
`
`
`
` 6.
`
`6.1.
`
`
`
`
`
`Requirements
`
`Mirrors
`
`6.1.1.
`
`General specifications
`
`6.1.1.1.
`
`All mirrors shall be adjustable.
`
`6.1.1.2.
`
`(a)
`
`Rear-view mirrors (Classes II to VII)
`
`
`
`The edge of the reflecting surface shall be enclosed in a protective
`housing (holder, etc.) which, on its perimeter, shall have a value "c"
`
`
`
`
`
`2 The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in
`Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document
`ECE/TRANS/WP.29/78/Rev.4 -
`www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions.html
`
`
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`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`
`
`greater than or equal to 2.5 mm at all points and in all directions. If the
`reflecting surface projects beyond the protective housing, the radius of
`curvature "c" on the edge of the projecting part shall be not less than
`2.5 mm and the reflecting surface shall return into the protective
`housing under a force of 50 N applied to the point of greatest projection,
`relative
`to
`the protective housing,
`in a horizontal direction,
`approximately parallel to the longitudinal median plane of the vehicle.
`
`
`
`(b)
`
`Rear-view mirrors (Class I)
`
`
`
`6.1.1.3.
`
`6.1.1.4.
`
`6.1.1.4.1.
`
`6.1.1.4.2.
`
`In cases, where the edge of the reflecting surface is enclosed in a
`protective housing (holder, etc.), the radius of curvature "c" on its
`perimeter shall be not less than 2.5 mm at all points and in all directions.
`In cases, where the edge of the reflecting surface projects beyond the
`protective housing, this requirement shall apply to the edge of the
`projecting part.
`
`When the mirror is mounted on a plane surface, all parts, irrespective of the
`adjustment position of the device, including those parts remaining attached to
`the support after the test provided for in paragraph 6.3.2. below, which are in
`potential, static contact with a sphere either 165 mm in diameter in the case of
`a Class I mirror or 100 mm in diameter in the case of a Class II to VII mirror,
`shall have a radius of curvature 'c' of not less than 2.5 mm.
`
`The requirements in paragraphs 6.1.1.2. and 6.1.1.3. above shall not apply to
`parts of the external surface which protrude less than 5 mm, but the outward
`facing angles of such parts shall be blunted, save where such parts protrude
`less than 1.5 mm. For determining the dimension of the projection, the
`following method shall apply:
`
`The dimension of the projection of a component which is mounted on a convex
`surface may be determined either directly or by reference to a drawing of an
`appropriate section of this component in its installed condition.
`
`If the dimension of the projection of a component which is mounted on a
`surface other than convex cannot be determined by simple measurement, it
`shall be determined by the maximum variation of the distance of the centre of
`a 100 mm diameter sphere from the nominal line of the panel when the sphere
`is moved over and
`is
`in constant contact with
`that component.
`Figure 1 shows an example of the use of this procedure.
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`Figure 1
`Example for the measurement by maximum variation
`
`E/ECE/324/Rev.1/Add.45/Rev.6
`E/ECE/TRANS/505/Rev.1/Add.45/Rev.6
`
`6.1.1.5.
`
`6.1.1.6.
`
`6.1.1.7.
`
`6.1.1.8.
`
`
`
`Edges of fixing holes or recesses of which the diameter or longest diagonal is
`less than 12 mm are exempt from the radius requirements of paragraph 6.1.1.3.
`above provided that they are blunted.
`
`The device for the attachment of mirrors to the vehicle shall be so designed
`that a cylinder with a 70 mm radius (50 mm in the case of an L-category
`vehicle), having as its axis the axis, or one of the axes, of pivot or rotation
`which ensures deflection of the mirror in the direction of impact concerned,
`passes through at least part of the surface to which the device is attached.
`
`The parts of Classes II to VII mirrors referred to in paragraphs 6.1.1.2. and
`6.1.1.3. above which are made of a material with a Shore A hardness not
`exceeding 60 are exempt from the relevant provisions.
`
`In the case of those parts of Class I mirrors which are made of a material with
`a Shore A hardness of less than 50 and which are mounted on a rigid support,
`the requirements of paragraphs 6.1.1.2. and 6.1.1.3. above shall only apply to
`the support.
`
`6.1.2.
`
`Special specifications
`
`6.1.2.1.
`
`Dimensions
`
`6.1.2.1.1.
`
`Rear-view mirrors (Class I)
`
`The dimensions of the reflecting surface shall be such that it is possible to
`inscribe thereon a rectangle one side of which is 40 mm and the other 'a' mm
`in length, where
`
`a
`
`
`
` 150
`
`
`
`
`
`1
`
`mm
`
`1
`
`1000
`r
`
`
`
`and "r" is the radius of curvature.
`
`6.1.2.1.2. Main rear-view mirrors (Classes II and III)
`
`6.1.2.1.2.1. The dimensions of the reflecting surface shall be such that it is possible to
`inscribe therein:
`
`(a)
`
`A rectangle 40 mm high the base length of which, measured in
`millimetres, has the value "a";
`
`(b) A segment which is parallel to the height of the rectangle and the length
`of which, expressed in millimetres, has the value "b".
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`E/ECE/324/Rev.1/Add.45/Rev.6
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`
`
`
`6.1.2.1.2.2. The minimum values of "a" and "b" are given in the table below:
`
`Class of rear-view mirror
`
`a [mm]
`
`b [mm]
`
`II
`
`III
`
`170
`
`1000
`
`
` 1
`
`r
`
`130
`
`1000
`
`
` 1
`r
`
`
`
`
`
`200
`
`70
`
`6.1.2.1.3.
`
`"Wide-angle" view mirrors (Class IV)
`
`The contours of the reflecting surface shall be of simple geometric form and
`its dimensions such that it provides, if necessary in conjunction with a Class II
`exterior mirror, the field of vision specified in paragraph 15.2.4.4. of this
`Regulation.
`
`6.1.2.1.4.
`
`"Close-proximity" view mirrors (Class V)
`
`
`
`The contours of the reflecting surface shall be of simple geometric form and
`its dimensions such that the mirror provides the field of vision specified in
`paragraph 15.2.4.5. of this Regulation.
`
`6.1.2.1.5.
`
`Front-view mirrors (Class VI)
`
`
`
`The contours of the reflecting surface shall be of simple geometric form and
`its dimensions such that the mirror provides the field of vision specified in
`paragraph 15.2.4.6. of this Regulation.
`
`6.1.2.1.6. Mirrors for category L vehicles with bodywork (Class VII)
`
`6.1.2.1.6.1.
`
`"Main" rear-view mirrors (Class VII)
`
`The minimum dimensions of the reflecting surface shall be such that:
`
`(a)
`
`Its area shall not be less than 6,900 mm2;
`
`(b)
`
`The diameter of circular mirrors shall not be less than 94 mm;
`
`(c) Where rear-view mirrors are not circular, their dimensions shall enable
`a 78 mm-diameter circle to be prescribed on their reflecting surface.
`
`The maximum dimensions of the reflecting surface shall be such that:
`
`(a)
`
`(b)
`
`The diameter of any circular rear-view mirror shall not be greater than
`150 mm;
`
`The reflecting surface of any non-circular rear-view mirror shall lie
`within a rectangle measuring 120 mm x 200 mm.
`
`6.1.2.2.
`
`Reflecting surface and coefficients of reflection
`
`6.1.2.2.1.
`
`The reflecting surface of a mirror shall be either flat or spherically convex.
`Exterior mirrors may be equipped with an additional aspherical part provided
`that the main mirror fulfils the requirements of the indirect field of vision.
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`
`6.1.2.2.2.
`
`Differences between the radii of curvature of mirrors
`
`6.1.2.2.2.1. The difference between ri or r'i, and rp at each reference point shall not exceed
`0.15 r.
`
`6.1.2.2.2.2. The difference between any of the radii of curvature (rp1, rp2, and rp3) and r
`shall not exceed 0.15 r.
`
`6.1.2.2.2.3. When r is not less than 3,000 mm, the value of 0.15 r quoted in paragraphs
`6.1.2.2.2.1. and 6.1.2.2.2.2. above is replaced by 0.25 r.
`
`6.1.2.2.3.
`
`Requirements for aspherical parts of mirrors
`
`6.1.2.2.3.1. Aspherical mirrors shall be of sufficient size and shape to provide useful
`information to the driver. This normally means a minimum width of 30 mm at
`some point.
`
`6.1.2.2.3.2. The radius of curvature ri of the aspherical part shall not be less than 150 mm.
`
`6.1.2.2.4.
`
`Value of "r" for spherical mirrors shall not be less than:
`
`6.1.2.2.4.1. 1,200 mm for rear-view mirrors (Class I);
`
`6.1.2.2.4.2. 1,200 mm for Class II and III main rear-view mirrors;
`
`6.1.2.2.4.3. 300 mm for "wide-angle" mirrors (Class IV) and "close-proximity" mirrors
`(Class V);
`
`6.1.2.2.4.4. 200 mm for front mirrors (Class VI).
`
`6.1.2.2.4.5. 1,000 mm or more than 1,500 mm for Class VII main rear-view mirrors.
`
`6.1.2.2.5.
`
`The value of the normal coefficient of reflection, as determined according to
`the method described in Annex 6, shall be not less than 40 per cent.
`
`In the case of reflecting surfaces with a changeable degree of reflection, the
`"day" position shall allow the colours of the signals used for road traffic to be
`recognized. The value of the normal coefficient of reflection in the "night"
`position shall be not less than 4 per cent.
`
`6.1.2.2.6.
`
`The reflecting surface shall retain the characteristics laid down in paragraph
`6.1.2.2.5. above in spite of prolonged exposure to adverse weather conditions
`in normal use.
`
`6.2.
`
`Devices for indirect vision other than mirrors
`
`6.2.1.
`
`General requirements
`
`6.2.1.1.
`
`6.2.1.2.
`
`6.2.1.3.
`
`If adjustment by the user is needed, the device for indirect vision shall be
`adjustable without the use of tools.
`
`If a device for indirect vision can only render the total prescribed field of vision
`by scanning the field of vision, the total process of scanning, rendering and
`reset to its initial position together shall not take more than 2 seconds.
`
`The effectiveness of the CMS of Classes I to IV shall not be adversely affected
`by magnetic or electrical fields. This shall be demonstrated by compliance with
`the technical requirements and transitional provisions of Regulation No. 10, 04
`series of amendments or any later series of amendements.
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`E/ECE/324/Rev.1/Add.45/Rev.6
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`
`
`
`6.2.2.
`
`Camera-monitor systems
`
`The requirements of paragraph 6.2.2.1. shall be considered to be satisfied in
`the case of monitors of a vehicle that fulfills the provisions of Regulation
`No. 21.
`
`6.2.2.1.
`
`General requirements
`
`6.2.2.1.1. When the devices of the camera-monitor system are mounted in the position
`recommended by the manufacturer for normal driving, all parts, irrespective of
`the adjustment position of the device which are in potential, static contact with
`a sphere either 165 mm in diameter in the case of a CMS or parts of CMS
`installed inside the vehicle or 100 mm in diameter in the case of a CMS or parts
`of CMS installed outside the vehicle, shall have a radius of curvature "c" of
`not less than 2.5 mm.
`
`6.2.2.1.2.
`
`6.2.2.1.3.
`
`Edges of fixing holes or recesses of which the diameter or longest diagonal is
`less than 12 mm are exempt from the radius requirements of paragraph
`6.2.2.1.1. above provided that they are blunted.
`
`For parts of the camera and the monitor which are made of a material with a
`Shore A hardness of less than 60 and which are mounted on a rigid support,
`the requirements of paragraph 6.2.2.1.1. above shall only apply to the support.
`
`6.2.2.2.
`
`Functional requirements for camera-monitor devices of Classes V and VI
`
`6.2.2.2.1.
`
`The camera shall func