User Guide

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R27A/V
Admin Guide
4. AdvancedFeatures
4.1. Phone Configuration
4.1.1. LED
Go to Intercom - LED Setting to configure.
Users can control three parts’ LED, screen, keypad and card area.
Users can also setup the valid time. For example, start time from 18
to 23means the LED will light up from 6pm to 11pm.
4.1.2. IR LED
Go to Intercom - Advanced to configure.
Photoresistor: The setting is for night vision, when the surrounding
of R27 is very dark, infrared LED will turn on and R27 will turn to
night mode.
Figure 4.1.1 LED
Figure 4.1.2 IR LED