Kramer Electronics Switch 4x1V User Manual
KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODELS:  
4x1V and 4x1VB  
4:1 Video Switchers  
P/N: 2900-300162 Rev 1  
 
Contents  
1
Introduction  
1
2
Getting Started  
2
2.1  
Achieving the Best Performance  
2
3
Overview  
3
3.1  
Defining the 4x1V and 4x1VB 4:1 Video Switchers  
3
4
5
Connecting and Operating the 4x1V and 4x1VB  
Technical Specifications  
5
7
Figures  
Figure 1: 4x1V and 4x1VB 4:1 Video Switchers  
Figure 2: Connecting the 4x1V and 4x1VB 4:1 Video Switchers  
4
6
4x1V and 4x1VB – Contents  
i
 
1
Introduction  
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been  
providing a world of unique, creative, and affordable solutions to the vast range of  
problems that confront the video, audio, presentation, and broadcasting  
professional on a daily basis. In recent years, we have redesigned and upgraded  
most of our line, making the best even better!  
Our 1,000-plus different models now appear in 11 groups that are clearly defined  
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix  
Switchers; GROUP 3: Control Systems; GROUP 4: Format/Standards Converters;  
GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;  
GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors;  
GROUP 9: Room Connectivity; GROUP 10: Accessories and Rack Adapters and  
GROUP 11: Sierra Products.  
Congratulations on purchasing your Kramer 4x1V or 4x1VB 4:1 Video Switchers,  
which are ideal for the following typical applications:  
•
•
•
•
Presentation and display systems  
CCTV and home theater applications  
Rental and staging applications  
Also compatible with any other high frequency signal  
4x1V and 4x1VB - Introduction  
1
 
   
2
Getting Started  
We recommend that you:  
•
Unpack the equipment carefully and save the original box and packaging  
materials for possible future shipment  
•
Review the contents of this user manual  
Use Kramer high performance high resolution cables  
2.1  
Achieving the Best Performance  
To achieve the best performance:  
•
•
Use only good quality connection cables to avoid interference, deterioration  
in signal quality due to poor matching, and elevated noise levels (often  
associated with low quality cables)  
Position your Kramer 4x1V and 4x1VB away from moisture, excessive  
sunlight and dust  
2
4x1V and 4x1VB - Getting Started  
 
     
3
Overview  
The KramerTOOLS 4x1V and 4x1VB are high-quality 4x1 mechanical switchers  
designed for composite video signals using RCA or BNC connectors. They accept  
up to four inputs and let you select any input to be routed to one output using  
buttons located on the front panel. High-quality switching components ensure  
minimal crosstalk and a high bandwidth of 400MHz (-3dB).  
The entirely passive design of the 4x1V and 4x1VB eliminates the need for a  
power supply. Unselected inputs are automatically terminated into a 75Ω resistor.  
3.1  
Defining the 4x1V and 4x1VB 4:1 Video Switchers  
This section defines the 4x1V and 4x1VB.  
4x1V and 4x1VB - Overview  
3
 
     
Figure 1: 4x1V and 4x1VB 4:1 Video Switchers  
#
Feature  
Function  
1
OUTPUT Connector  
Connect to the composite video acceptor  
RCA connector (4x1V), BNC connector (4x1VB)  
2
3
IN 1 to IN 4 Connectors  
Connect to the composite video sources (1 to 4)  
RCA connectors (4x1V), BNC connectors (4x1VB)  
INPUT SELECTOR  
Buttons for choosing the input CV source  
Buttons  
4
4x1V and 4x1VB - Overview  
 
   
4
Connecting and Operating the 4x1V and  
4x1VB  
To connect the 4x1V and 4x1VB as illustrated in the example in Figure 2:  
1. Connect up to four composite video sources to the IN 1 to IN 4 connectors  
(for example, composite video players).  
You do not have to connect all inputs.  
2. Connect the OUTPUT connector to a composite video acceptor (for  
example, a composite video recorder).  
Note: The 4x1V uses RCA connectors. The 4x1VB uses BNC  
connectors.  
i
To operate the 4x1V and 4x1VB:  
Press an INPUT SELECTOR button to switch the desired source to the output.  
4x1V and 4x1VB - Connecting and Operating the 4x1V and 4x1VB  
5
 
   
Figure 2: Connecting the 4x1V and 4x1VB 4:1 Video Switchers  
6
4x1V and 4x1VB - Connecting and Operating the 4x1V and 4x1VB  
 
   
5
Technical Specifications  
INPUTS:  
4 video, 1Vpp/75Ω on RCA connectors (4x1V) or BNC  
connectors (4x1VB)  
OUTPUT:  
1 composite or single component video, 1Vpp/75Ω on an  
RCA connector (4x1V) or BNC connector (4x1VB)  
BANDWIDTH (-3dB):  
SWITCHING SYSTEM:  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
400MHz  
Mechanical, break-before-make  
0° to +55°C (32° to 131°F)  
-45° to +72°C (-49° to 162°F)  
10% to 90%, RHL non-condensing  
12cm x 7.5cm x 2.5cm (4.7" x 2.9" x 1")  
DIMENSIONS:  
WEIGHT:  
0.28kg (0.62lbs) approx. (4x1V)  
0.30kg (0.67lbs) approx. (4x1VB)  
OPTIONS:  
RK-3T 19” rack adapter  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
4x1V and 4x1VB - Technical Specifications  
7
 
   
8
 
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2900- 300162  
1
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