User Guide

24
R20K
Admin Guide
Photoresistor: The setting is for night vision, when the
surrounding of R20K is very dark, infrared LED will turn on and R20K
will turn to night mode.
Photoresistor value relates to light intensity and larger value means
that light intensity is smaller.
Users can configure the upper and lower bound and when
photoresistor value is larger than upper bound, infrared LED will
turn on. As contrast, when photoresistor value is smaller than lower
bound, infrared LED will turn off and device turns to normal mode.
4.1.3. RFID Card Code Display Related
Go to Intercom - Advanced to configure.
Display mode: To be compatible different card number formats in
different systems. The default 8HN means hexadecimal.
Figure 4.1.2 IR LED
Figure 4.1.3 RFID card code display related