User guide
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
Your Universal Room Controller 
4
Figure 2 and Table 2 define the RC-8RK / RC-8RKL (identical) rear panel: 
Figure 2: RC-8RK and the RC-8RKL Rear Panel 
Table 2: RC-8RK and the RC-8RKL Rear Panel Features 
#
Feature  Function 
1  BRIGHTNESS Indication 
Arrow 
Brightness indication to increase the brightness of the buttons
1
2  BACKLIGHT Indication 
Arrow 
Backlight indication to set the backlight illumination for when the 
unit is not active 
3  ETHERNET Port  Connects to a PC or other controller via computer networking 
4  COLOR SELECT Indication 
Arrow 
Color select indication for selecting the button color
2
5  N.U Switch  Not used 
6  PROGRAM Switch  Switch to OFF for normal operation; to ON for firmware upgrade 
7  RS-485 TERM. Switch  Switch to ON for RS-485 line termination 
8  FACTORY DEFAULT Button
Press to return to the factory default settings, including all the 
configured buttons and the network settings
3
1 See Table 5 
2 See Table 4 
3 Including the factory default IP number: 192.168.1.39 (an IP number is a device's numerical address as expressed in the 
format specified in the Internet Protocol) 










