User`s guide

Compro CP180 - User's Guide

Installation & Connections

D/N Mode Jumper

The D/N mode jumper lets you toggle between digital day/night mode (default) and

external day/night mode. In digital D/N mode, the IR-cut filter is always removed. In

external D/N mode, the IR-cut lter is used/removed by connecting/disconnecting the

positive pole and negative pole of the IR connector. If you wish to externally control the

IR-cut lter, follow the description below to switch to external D/N mode.

1. Power o the camera and loosen the four screws shown in the below gure to

remove the back panel. Then gently pull out the main circuit board connected to

the back panel to reveal the D/N jumper as circled in the gure below.

D/N Jumper (J7)

2 1 3 2

Digital D/N

(Default)

Ext. D/N

2. Reset the jumper (J7) to pins 2-3 to use external D/N mode. Then re-attach the

back panel.

3. Connect the IR connector on the back panel to an external switch or light sensor.

4. Connect the camera to a monitor and power. Press the setting button

on the

back panel to enter the OSD menu. Select 'DAY/NIGHT' item and set it as 'COLOR'

(in digital D/N mode, set the 'DAY/NIGHT' item as 'AUTO').