American Aimers Vision 1 Optical Headlight Aimer - Manual (Page 11)

Vision 1 manual page 12 Page 1 of 1
http://www.hopkinsmfg.com/test2/vision_1_manual_page_12.htm 8/5/99
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Vision 1 Instruction Manual
Page 12
SECTION TWO
The next screen (FIG. 14) displays functions which allow the changing of the horizontal window.
Use the "INCREASE VALUE" or "DECREASE VALUE" buttons (Button 3 or Button 4) to change the
value as desired. When the correct horizontal window value is displayed, press the "ENTER
CURRENT VALUE" button, (Button 5), to continue.
This screen (FIG. 15) shows functions which allow the changing of the vertical window. Use the
"INCREASE VALUE" or "DECREASE VALUE" buttons to change the value as desired. When the
correct vertical window value is displayed, press the "ENTER CURRENT VALUE" button, (Button
5), to return to the SET OPTIONS screen.
2.6 CHOOSE AIMING METHOD
At the "SET OPTIONS" screen (FIG. 16), press "CHOOSE AIMING METHOD" button, (Button 4).
This screen displays the different aiming methods available to this Vision 1 unit. The two most
common are:
2.6.1 U.S. LAMPS/FBA AIMING (Standard Module)
This is the method of aiming that uses the fractional gradients of two geometric points of the light
beam to select the most appropriate aim point for that beam. This method is the preferred method
of headlamp aiming, as recommended by Hopkins Manufacturing Corporation, and specified in
Society of Automotive Engineers (SAE) Standard J579, DEC84.
2.6.2 EUROPEAN BEAM PATTERN LAMPS (Optical Module)
This method must be selected when aiming European beam pattern headlamps, which have a
distinctly different beam pattern from U.S. headlamps. Note FIG. BB.
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