Installation manual
Arecont Vision MegaView
®
 2 Installation Manual 
Page | 7 support@arecontvision.com 
Optional: Connecting Digital I/O: 
9.  To use digital I/O, connect digital I/O with 
pigtail cable connector as shown in Image 
8. 
NOTE 1: MegaView
®
 2 only supports digital 
input but no digital output. 
NOTE 2: Table 1 shows electrical 
characteristics 
 Electrical 
Characteristics: 
Min Max 
Input voltage (V) 
(measured between 
+ and – terminals) 
ON 2.9 6.3 
OFF 0 1.3 
OFF - 0.1 
Table 1 
NOTE 3: The digital input is electrically isolated 
from the rest of the camera’s electrical circuitry 
via general-purpose photo couplers. The input 
is additionally protected with a serial 250 Ohm 
resistor, and a debouncing circuit. Duration of 
any input signal should be at least 5 ms to 
comply with the requirements of the debouncing 
circuit. 
NOTE 4: Table 2 shows cable color for digital 
input 
Green  Digital IN + 
Black  Digital IN - 
  Table 2 
Adjusting the Remote Focus and 
Remote Zoom: 
NOTE: MegaView
®
 2 camera operating 
temperature is -40˚C (-40 °F) to +50˚C (122 °F), 
however, motorized lens operating temperature 
is -20˚C (-4°F) to +50˚C (122 °F). 
10. To adjust focus or zoom, open the camera 
web interface and click the “Focus” tab as 
shown in image 9. 
11. To manually adjust zoom, click the “+20”, 
“+5”, “+1”, “-20”, “-5”, “-1” buttons to zoom in 
and out, adjusting the field of view. 
NOTE 1: “+20” zooms in 20x further than “+1” 
NOTE 2: If the “Enable Auto Focus after zoom” 
option is checked as shown in image 8, the 
focus will automatically be adjusted when zoom 
is changed. 
12.  Set up a focus area (if necessary) by 
drawing a rectangle with the mouse (by left-
clicking and dragging the mouse to a 
desired zoom size) shown in Image 8. 
13. To automatically adjust focus, choose “Full-
range Focusing” or “Fast Focusing” 
depending on the image clarity as shown in 
image 8. 
14. If the image is completely out of focus, 
choose “Full-range Focusing” to scan the 
full focus range and find the best focus 
position. 
15. If the image is slightly of out of focus, 
choose “Short-rang Focusing” to fine tune 
and quickly get a precise focus position to 
save time. 










