HIKVISION DS-2CD883F-E(W) Installation Manual page 10

Installation Manual of Network Box Camera
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Back Focus Adjustment:
When it still fails to realize precise focusing after having confirmed the correct lens
interface, the back focus adjustment may be required.
Operate the following steps:
Tighten the lens firstly and then loosen the fixed back focus ring; rotate the lens
slowly until the video image turns to be clear, and finally tighten and lock the back
focus ring.
NOTE:
The type of auto-iris interface is square
four-hole type, and the definition of each pin as
shown:
Video
1 Power
2
3 Video
4 GND
Auto iris interface with video driving uses three
pins: Power, Video and GND; Auto iris interface
with DC driving uses four pins: Damp+, Damp-,
Drive+ and Drive-.
Hangzhou Hikvision Digital Technology Co., Ltd. | Copyright ©
DC
Damp-
NC Damp+
Drive+
Drive-
Description
Lens mount
Back Focus Ring
SD card slot
Auto iris interface
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