1. Overview
NDR891(H)/NDR891E(H)
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User Manual 7
RS-485 (Yellow):
Contact for RS-485
7.
GND:
Ground (electricity) in electrical circuits
Alarm In 1 (Red):
Alarm signal input port
Alarm In 2 (Brown):
Alarm signal input port
1.3.3 Controls
Focus [Near(N) & Far(∞)]
Zoom [Tele (T) & Wide (W)]
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.
Zoom
: Adjust the zoom control for desired image view.
Focus
: Adjust the focus for optimum picture sharpness.
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 five seconds to reboot camera. Hold
longer than 5 seconds to load default settings.