Allora... continuando sul filone delle spiegazioni per le luci:
Riporto quì una selezione dei contenuti più rilevanti (in qualche caso con commenti esplicativi) della norma 53 integrata di tutte le correzioni e varianti.
Posso confermare che teoricamente non vi sono altri fari "supplementari" previsti oltre a quelli che hanno una loro funzione specifica. Gli abbaglianti, luci di posizione ant., luci di posizione post, antinebbia ant. e anabbaglianti possono essere uno o due (quindi non tre).
If installed, the daytime running lamp shall automatically be ON when the engine is running. If no daytime running lamp is installed, the headlamp shall automatically be on when the engine is running.
5.14. Every vehicle submitted for approval pursuant to this Regulation shall be equipped with the following lighting and light-signalling devices:
5.14.1. driving beam headlamp (paragraph 6.1.);
5.14.2. passing beam headlamp (paragraph 6.2.);
5.14.3. direction-indicator lamps (paragraph 6.3.);
5.14.4. stop lamp (paragraph 6.4.);
5.14.5. rear-registration-plate illuminating device (paragraph 6.5.);
5.14.6. front position lamp (paragraph 6.6.);
5.14.7. rear position lamp (paragraph 6.7.);
5.14.8. rear retro reflector, non-triangular (paragraph 6.8.);
5.14.9. side retro reflectors, non-triangular (paragraph 6.12.);
5.15. It may, in addition, be equipped with the following lighting and light-signalling devices;
5.15.1. vehicle-hazard warning signal (paragraph 6.9.);
5.15.2. fog lamps;
5.15.2.1. front (paragraph 6.10.);
5.15.2.2. rear (paragraph 6.11.);
5.15.3. Daytime running lamp (paragraph 6.13.).
The fitting of any lighting and light-signalling devices other than those mentioned in paragraphs 5.14. and 5.15. is prohibited for the purposes of type approval.
Parlando di abbaglianti (driving-beam):
Passing beam headlamps with a light source approved in accordance with Regulation No. 99 (ovvero gas-discharge, alias= xenon) shall remain switched on when the driving-beam is illuminated.
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6.10. FRONT FOG LAMP
6.10.1. Number
One or two.
6.10.2. Arrangement
No special requirement.
6.10.3. Position
6.10.3.1. in width: for a single lamp the centre of reference shall be in the median longitudinal plane of the vehicle; or the edge of the illuminating surface which is nearest to that plane shall be not more than 250 mm away from it;
6.10.3.2. in height: not less than 250 mm above the ground. No point on the illuminating surface shall be higher than the highest point on the illuminating surface of the passing beam headlamp.
6.10.3.3. in length: at the front of the vehicle. This requirement shall be deemed to be satisfied if the light emitted does not cause discomfort to the driver either directly, or indirectly through the rear-view mirrors and/or other reflecting surfaces of the vehicle.
6.10.4. Geometric visibility
Defined by angles α and β as specified in paragraph 2.11.:
α = 5° upwards and downwards;
β = 45° to left and to right for a single lamp, except for an off-centre light, in which case the inward angle β = 10°;
β = 45° outwards and 10° inwards for each pair of lamps
6.10.5. Orientation
Forwards. The lamp(s) may move in line with the steering angle.
6.10.6. May not be combined with any other front lamp.
6.10.7. "Circuit-closed" tell-tale
Optional; non-flashing green signal.
6.10.8. Other requirements
None.
6.10.9. Electrical connections
It shall be possible to switch the fog lamp(s) on or off independently of the driving beam headlamp(s) and/or passing beam headlamp(s).
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6.13. DAYTIME RUNNING LAMP (fari diurni)
6.13.1. Presence
Optional for motorcycles.
6.13.2. Number
One or two of approved type according to Regulation No. 87.
6.13.3. Arrangement
No special requirement.
6.13.4. Position
6.13.4.1. In width:
6.13.4.1.1. An independent daytime running lamp may be installed above, below or to one side of another front lamp: If these lamps are one above the other, the reference centre of the daytime running lamp shall be located within the medium longitudinal plane of the vehicle; if these lamps are side by side, the edge of the illuminating surface shall not be more than 250 mm from the median longitudinal plane of the vehicle.
6.13.4.1.2. A daytime running lamp, that is reciprocally incorporated with another front lamp (driving beam headlamp or front position lamp), shall be fitted in such a way that the edge of the illuminated surface lies not more than 250 mm from the median longitudinal plane of the vehicle.
6.13.4.1.3. Two daytime running lamps, of which either one or both are reciprocally incorporated with another front lamp, shall be installed in such a way that their reference centres are symmetrical in relation to the median longitudinal plane of the vehicle.
6.13.4.1.4. In the case of two daytime running lamps, the distance separating the illuminating surfaces shall not exceed 420 mm.
6.13.4.1.5. The maximum separation distance is not applicable when the daytime running lamps:
(a) Are grouped, combined or reciprocally incorporated with another headlamp, or
(b) Are within the projection of the frontal silhouette of the motorcycle on an orthogonal plane perpendicular to the longitudinal median plane of the vehicle
6.13.4.2. In height:
Above the ground not less than 250 mm and not more than 1,500 mm.
6.13.4.3. In length:
At the front of the vehicle.
6.13.5. Geometric visibility
Horizontal: Outwards 20° and inwards 10°.
Vertical: Upwards 10° and downwards 10°.
6.13.6. Orientation
Towards the front. The lamp(s) may move in line with the steering angle.
6.13.7. Electrical connections
6.13.7.1. If installed, the daytime running lamp shall be switched ON automatically when the device, which starts and/or stops the engine, is in a position which makes it possible for the engine to operate.
The daytime running lamp shall switch OFF automatically when the headlamps are switched ON, except when the latter are used to give intermittent luminous warnings at short intervals.
Furthermore, the lamps referred to in paragraph 5.10. (si riferisce all’insieme delle lampade di posizione anteriore, posteriore e targa) shall not switched ON when the daytime running lamps are switched ON.
6.13.7.2. If the distance between the front direction-indicator lamp and the daytime running lamp is equal or less than 40 mm, the electrical connections of the daytime running lamp on the relevant side of the vehicle may be such that either:
(a) It is switched OFF; or
(b) Its luminous intensity is reduced during the entire period (both ON and OFF cycle) of activation of a front direction-indicator lamp.
6.13.7.3. If a direction indicator lamp is reciprocally incorporated with a daytime running lamp, the electrical connections of the daytime running lamp on the relevant side of the vehicle shall be such that the daytime running lamp is switched OFF during the entire period (both ON and OFF cycle) of activation of the direction-indicator lamp.
6.13.8. Tell-tale
Closed-circuit tell-tale optional.
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In modalitÃ* "civile" leggo km/h, se "smanettone" miglia/h, se "pazzo" m/s
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