Figure 3-2 Infrared Remote Control - Honeywell HRXD9 User Manual

Configuration
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Note The infrared sensor on the DVR is just to the left of the arrow
buttons. Make certain that nothing blocks the sensor, or the
remote control will not function properly.
Note You can also use a USB mouse (not supplied) to navigate
through the screens and menus much like you would on a
computer.
Figure 3-2 Infrared Remote Control