ABUS TVCC60000-TVCC60030 - Manual (Page 30)

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6.6 Focus and zoom adjustment
Use the supplied hexagon wrench
in order to adjust the zoom and
focus
.
6.7 Auto-Iris Level adjustment
Use the supplied hexagon wrench in order to
adjust the Auto-Iris-Level (Picture brightness
depending on the environment) (only
TVCC60000, TVCC60010 and TVCC60011).