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ASYMMETRICAL DIPPED BEAM
fig. 6
Correct projection on panel.
SYMMETRICAL DIPPED BEAM
fig. 7
When testing symmetrical dipped beams
the projection on the plate should be a
horizontal line.
MAIN BEAM
BEAM
fig. 8
It is necessary to obtain a strong bright zone at the
centre of the plate, where the black spot is located.
7.
THE LUXMETER
In addition to the numerically calibrated scales the luxmeter has a colour coded scale for main beam intensity which should be read as follows:
Main Beam
1.
Indicator at RED/GREEN (BAD/GOOD) limit: Acceptable for vehicles travelling under 30mph (48km/h) and motorcycles.
2.
Indicator at the centre of GREEN (GOOD): Acceptable for vehicles travelling over 30mph (48km/h).
3.
Indicator on BLUE (HALOGEN): Acceptable for vehicles with halogen headlights.
HBS97A & HBS971A - 2 - 281003
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