Kramer Electronics Video Gaming Accessories VA 10 User Manual

KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODEL:  
VA-10  
Cable Delay Corrector  
P/N: 2900-000052 Rev 2  
 
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 VA-10 Cable Delay Corrector, which  
is ideal for the following typical applications:  
Using long cable runs of analog video  
Correcting relative color shifts in RGBHV systems  
VA-10 - 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.  
user manuals, application programs, and to check if firmware  
upgrades are available (where appropriate).  
i
Caution:  
Warning:  
No operator serviceable parts inside the unit  
!
Use only the Kramer Electronics input power wall  
adapter that is provided with the unit  
Warning:  
Disconnect the power and unplug the unit from the  
wall before installing  
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)  
Avoid interference from neighboring electrical appliances that may adversely  
influence signal quality  
Position your Kramer VA-10 away from moisture, excessive sunlight and  
dust  
2
VA-10 - Getting Started  
 
     
3
Overview  
The Kramer VA-10 Cable Delay Corrector is a cable delay (skew) corrector for RGB  
signals. The unit is designed to correct the problem of differing delay times in  
analog signals, such as RGB, or twisted pair signals that causes misconvergence  
on the display. The VA-10 lets you adjust and thus match the delays in the three  
signals. The VA-10 features controls for adjusting the red, green and blue skew  
(delay) individually and independently. It is 12V DC fed and is housed in a Kramer  
TOOLS enclosure.  
For example, if the RGB was sent via a CAT 5 cable at some stage during the video  
processing, then the different lengths of the pairs within the CAT 5 cable create different  
delays (skewing) of the R, G and B.  
3.1  
Defining the VA-10 Cable Delay Corrector  
This section defines the VA-10.  
Figure 1: VA-10 Cable Delay Corrector  
VA-10 - Overview  
3
 
       
#
Feature  
Function  
1
12V DC  
+12V DC connector for powering the unit  
Connects to the output acceptor  
Connects to the input source  
Adjusts the blue delay (up to 62ns)  
2
3
15-pin HD (F) OUTPUT Connector  
15-pin HD (F) INPUT Connector  
BLUE Trimmer  
4
Insert a screwdriver into the small hole and carefully  
rotate it to adjust the delay  
5
6
7
GREEN Trimmer  
RED Trimmer  
Adjusts the green delay (up to 62ns)  
Adjust as above  
Adjusts the red delay (up to 62ns)  
Adjust as above  
ON LED  
Illuminates when receiving power  
4
VA-10 - Overview  
 
4
Connecting the VA-10  
Always switch off the power to each device before connecting it to your  
VA-10. After connecting your VA-10, connect its power and then  
i
switch on the power to each device.  
To connect the VA-10 (as the example in Figure 2 illustrates), do the following:  
1. Connect a computer graphics source to the XGA INPUT of a PT-110 XGA  
Line Transmitter and connect the LINE OUTPUT on the PT-110 to the LINE  
IN RJ-45 connector on a TP-120 XGA Line Receiver unit. Connect the XGA  
OUT connector on the TP-120 unit to the 15-pin HD (F) INPUT connector on  
the VA-10.  
Refer to the PT-110, WP-110, TP-120 user manuals that can be downloaded at  
2. Connect the 15-pin HD (F) OUTPUT connector on the VA-10, to the RGB  
acceptor (for example, a projector).  
3. On each of the VA-10, TP-120 and PT-110, connect the 12V DC power adapter  
to the power socket and connect the adapter to the mains electricity.  
4. Use the BLUE, RED and GREEN trimmers to adjust the blue, red and green  
color delays, as required.  
VA-10 - Connecting the VA-10  
5
 
   
Figure 2: Connecting the VA-10 Cable Delay Corrector  
6
VA-10 - Connecting the VA-10  
 
   
5
Technical Specifications  
INPUTS:  
1 analog red, green, blue input signals - 0.7 Vpp/75,  
H & V sync, TTL level, on an 15-pin HD (F) connector  
OUTPUTS:  
1 analog red, green, blue output signals - 0.7  
Vpp/75, H & V sync, TTL level, on an 15-pin HD (F)  
connector  
MAX. OUTPUT LEVEL:  
RESOLUTION:  
DIFF. GAIN:  
1Vpp  
Up to UXGA  
0.8%  
DIFF. PHASE:  
0.7Deg  
K-FACTOR:  
0.4%  
S/N RATIO:  
71dB  
CONTROLS:  
Delay control via 3 (RGB) trimmers, 0 to 62ns  
AC  
COUPLING:  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
0° to +55°C (32° to 131°F)  
-45° to +72°C (-49° to 162°F)  
10% to 90%, RHL non-condensing  
12 VDC, 150mA  
POWER SOURCE:  
DIMENSIONS:  
WEIGHT:  
12 cm x 7.5 cm x 2.5 cm (4.7" x 2.95" 0.98", W, D, H)  
0.3 kg (0.67 lbs.) approx  
Power supply, mounting bracket  
RK-T3 19" rack adapter  
ACCESSORIES:  
OPTIONS:  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
VA-10 - Technical Specifications  
7
 
   
8
VA-10 - Technical Specifications  
 
For the latest information on our products and a list of Kramer distributors,  
visit our Web site where updates to this user manual may be found.  
We welcome your questions, comments, and feedback.  
SAFETY WARNING  
Disconnect the unit from the power  
supply before opening and servicing  
!
 

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