Kramer Electronics Camcorder 104LN User Manual

KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODEL:  
104LN  
1:4 Differential Video Line  
Amplifier  
P/N: 2900-701141 Rev 5  
 
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 video, audio, presentation, and broadcasting professionals  
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 Routers;  
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 104LN 1:4 Differential Video Line  
Amplifier, which is ideal for the following typical applications:  
Any system requiring a compact distribution amplifier and line driver  
Rental and staging applications  
104LN - 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  
Go to http://www.kramerelectronics.com to check for up-to-date  
user manuals, application programs, and to check if firmware  
upgrades are available (where appropriate).  
i
2.1  
Achieving the Best Performance  
To achieve the best performance:  
Use only good quality connection cables (we recommend Kramer high-  
performance, high-resolution cables) to avoid interference, deterioration in  
signal quality due to poor matching, and elevated noise levels (often  
associated with low quality cables)  
Do not secure the cables in tight bundles or roll the slack into tight coils  
Avoid interference from neighboring electrical appliances that may adversely  
influence signal quality  
Position your Kramer 104LN away from moisture, excessive sunlight and  
dust  
This equipment is to be used only inside a building. It may only be  
connected to other equipment that is installed inside a building.  
!
2
104LN - Getting Started  
 
   
2.2  
2.3  
Safety Instructions  
Caution:  
There are no operator serviceable parts inside the unit  
!
Warning: 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  
Recycling Kramer Products  
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC  
aims to reduce the amount of WEEE sent for disposal to landfill or incineration by  
requiring it to be collected and recycled. To comply with the WEEE Directive,  
Kramer Electronics has made arrangements with the European Advanced  
Recycling Network (EARN) and will cover any costs of treatment, recycling and  
recovery of waste Kramer Electronics branded equipment on arrival at the EARN  
facility. For details of Kramer’s recycling arrangements in your particular country  
104LN - Getting Started  
3
 
   
3
Overview  
The 104LN is a high-performance distribution amplifier and line driver for  
composite and SDI video signals.  
The 104LN 1:4 Differential Video Line Amplifier features:  
One composite video input and 4 identical buffered outputs  
Recessed gain and EQ. (equalization) trimmer controls that compensate for  
signal losses inherent in long cable runs  
Differential input that eliminates common mode noise picked up by the input  
cable, and supports long cables (letting you locate it anywhere in the  
distribution chain)  
Bandwidth exceeding 400MHz, ensuring transparency in the most critical  
applications  
Full DC coupling, ensuring signal linearity and flatness  
4
104LN - Overview  
 
 
3.1  
Defining the 104LN 1:4 Differential Video Line Amplifier  
This section defines the 104LN.  
Figure 1: 104LN 1:4 Differential Video Line Amplifier  
#
1
2
3
4
5
6
7
Feature  
Function  
INPUT BNC Connector Connects to the composite video source  
OUT 1 BNC Connector Connects to composite video acceptor 1  
OUT 2 BNC Connector Connects to composite video acceptor 2  
OUT 3 BNC Connector Connects to composite video acceptor 3  
OUT 4 BNC Connector Connects to composite video acceptor 4  
12V DC  
+12V DC connector for powering the unit  
LEVEL Trimmer  
Adjusts the output signal level for outputs 1, 2, 3 and 4  
Insert a screwdriver into the hole and carefully rotate it, to trim the  
level  
8
9
EQ. Trimmer  
Adjusts the cable compensation equalization level  
Illuminates when receiving power  
ON LED  
104LN - Overview  
5
 
   
Figure 2 illustrates the INPUT GROUND switch:  
Figure 2: 104LN 1:4 Differential Video Line Amplifier (Underside)  
By default, the INPUT GROUND switch is set to FLOAT (the input signal is  
isolated from the chassis). If the image appears noisy, set the switch to ON (the  
input signal is grounded to the chassis).  
6
104LN - Overview  
 
 
4
Connecting the 104LN  
Always switch off the power to each device before connecting it to your  
104LN. After connecting your 104LN, connect its power and then  
i
switch on the power to each device.  
To connect the 104LN 1:4 Differential Video Line Amplifier, as the example in  
Figure 3 illustrates, connect the following:  
1. Connect a composite video source (for example, a satellite decoder and  
receiver) to the INPUT BNC connector.  
2. Connect the four OUT BNC connectors to up to four composite video  
acceptors, as follows:  
.
.
.
.
Connect the OUT 1 connector to video acceptor 1 (for example,  
a video recorder)  
Connect the OUT 2 connector to video acceptor 2 (for example,  
a video display)  
Connect the OUT 3 connector to video acceptor 3 (for example,  
a video display)  
Connect the OUT 4 connector to video acceptor 4 (for example,  
a video display)  
3. Adjust the output signal level and/or cable compensation equalization level,  
if required.  
4. If the image appears noisy, set the INPUT GROUND to either ON or FLOAT  
to lower the noise level.  
104LN - Connecting the 104LN  
7
 
 
Figure 3: Connecting the 104LN 1:4 Differential Video Line Amplifier  
8
104LN - Connecting the 104LN  
 
 
5
Technical Specifications  
INPUT:  
1 CV or SDI video, differential, 1Vpp/75on a BNC  
connector  
OUTPUTS:  
4 CV or SDI video, 1Vpp/75on BNC connectors  
MAX. OUTPUT LEVEL:  
BANDWIDTH (-3dB):  
DIFF. GAIN:  
1.6Vpp  
>400MHz  
0.22%  
DIFF. PHASE:  
0.1Deg  
K-FACTOR:  
<0.05%  
S/N RATIO:  
73.3dB  
CONTROLS:  
Level: -1.3 to 6dB; EQ. 0 to 10.2dB  
DC  
COUPLING:  
POWER CONSUMPTION:  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
12V DC, 95mA  
0° to +40°C (32° to 104°F)  
-40° to +70°C (-40° to 158°F)  
10% to 90%, RHL non-condensing  
12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98"), W, D, H.  
0.3kg (0.66lbs) approx.  
Power supply, mounting bracket  
RK-3T 19" rack adapter.  
DIMENSIONS:  
WEIGHT:  
ACCESSORIES:  
OPTIONS:  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
104LN - Technical Specifications  
9
 
 
 
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  
!
P/N:  
Rev:  
2900- 701141  
5
 

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