User manual

1. Overview
NDF821/NDF821E l User Manual 7
1.3.3 Controls
Focus [Near(N) & Far(∞)]
Zoom [Tele (T) & Wide (W)]
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Near (N) & Far (∞):
Use an appropriate tool to press the button for few seconds to reset the
camera. Press and hold it within 5 seconds to reboot the camera. Hold longer than 5 seconds to
load default settings.
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Zoom: Adjust the zoom control for desired image view.
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Focus: Adjust the focus for optimum picture sharpness.
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Reset: Use an appropriate tool to press the button for few seconds to reset or load default
settings of the camera. Press and hold the button for within ve seconds to reboot camera. Hold
longer than 5 seconds to load default settings.