Manual
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
Your Differential Video Line Amplifier 
4 
4  Your Differential Video Line Amplifier 
Figure 1 and Table 1 define the 123Vxl: 
Figure 1: 123Vxl Differential Video Line Amplifier 
Table 1: 123Vxl Differential Video Line Amplifier Features 
#  Feature  Function 
1  12V DC  +12V DC connector for powering the unit 
2  OUT 1 BNC Connector  Connects to the video acceptor 1 
3  OUT 2 BNC Connector  Connects to the video acceptor 2 
4  OUT 3 BNC Connector  Connects to the video acceptor 3 
5  CV IN BNC Connector  Connects to the video source 
6 
TERM Hi-Z / 75 Switch  Pushing in selects 75, releasing selects Hi-Z
1
7  LOOP BNC Connector  For looping to increase output availability
2
8  ON LED  Illuminates when receiving power 
9  GAIN Trimmer  Adjusts
3
 the output signal level for outputs 1, 2 and 3 
10
EQ. Trimmer  Adjusts
3
 the cable compensation equalization level 
1 For looping select Hi-Z 
2 Connects to the CV IN connector on the next unit 
3 Insert a screwdriver into the hole and carefully rotate it, to trim the level 










