User's Manual

Video Door Phone User Guide
31
Functions Performed by the GPIO Devices
Lighting condition Function
Scene scenario − When the image is too dark on the videophone’s display due to the low light situationPlease refer the following
steps:
(1) IR LED module − Pressing “5”on Videophone to turn on the IR LED module, press again to turn it off.
On the IR LED mode, the feature of the face can be recognized with black and white image
(2) External lighting Source − If an external lighting sources is installed (DO1),
pressing “0” on videophone to turn on the (DO1) external lighting source (two sounds of assign ringtone will indicate turn on status),
pressing “0” again to turn off the extra light source (one sound of assign ringtone will indicate turn off), can improve the face feature
dramatically.
(3) Timer Control − When the set time will automatically turn on the
external light source.
To set up an external light source on web UI (DO1) − Able to turn on
/off an external light source function
-When this function be triggered, Digit Output 1 will transmit the
Polar Reverse.
-Or to trigger other devices via Ethernet
Functional description − Start up the timer, The voltage status will be
transmitted in order to start/end the external light source function
-In any time by pressing “0” on the Videophone while
calling/answering in order to turn on/off an external light source
devices
Figure 27 : Auxiliary Light Setting