User`s manual

ETN2160/2260/2560

7.2.1.4 Infrared LED Setting

You can turn on/off the built-in IR LEDs. This function is very useful when the camera is installed

under low illumination environment.

 Mode of infrared led: Select Automatic and adjust the sensitivity between 0 and 4, the IR LED

will be automatically turn on based on the detected light level. Select Manual to manually

turn on/ off the IR LED.

 Low lux mode: This function will improve the video quality when the environment is under

low lux. Select Turn on/Turn off to enable/disable the function. Use the slider to adjust the

value.

7.2.1.5 Microphone Setting

You can turn on/off the built-in microphone on this page. Select Mute to turn off the microphone.

Select Sound to turn on the microphone and then slide the volumn bar to adjust the microphone

volume. Note that if you select Mute, the camera audio will not be played through the computer’s

speakers once you enable the Audio button on the Live View window.