Betzold VisuLight 1800 Mode D'emploi page 10

Picture 5
3.5 By using the focusing knob the image can be set clear (picture 5).
Picture 7
3.7 In case the light bulb is defective, you can use the built in spare bulb. In such cases
please turn the lamp changer button.
© Arnulf Betzold GmbH
Picture 6
3.6 It is common that in the outer image area color shifts occur. You can adjust this by
using the regulating knob.
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