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KRAMER ELECTRONICS LTD

10 

Kramer Electronics (hereafter Kramer) warrants this product to be free from defects in material and 

workmanship under the following terms. 

HOW LONG IS THE WARRANTY 

Labor and parts are warranted for three years from the date of the first customer purchase. 

WHO IS PROTECTED 

Only the first purchase customer may enforce this warranty. 

WHAT IS COVERED AND WHAT IS NOT COVERED 

Except as below, this warranty covers all defects in material or workmanship in this product. The following are 

not covered by the warranty: 

1)  Any product which is not distributed by Kramer or which is not purchased from an authorized Kramer 

dealer. If you are uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents 

listed in the web site 

www.kramerelectronics.com

2)  Any product, on which the serial number has been defaced, modified or removed. 
3)  Damage, deterioration or malfunction resulting from: 

a)  Accident, misuse, abuse, neglect, fire, water, lightning or other acts of nature, unauthorized 

product modification, or failure to follow instructions supplied with the product. 

b)  Repair or attempted repair by anyone not authorized by Kramer. 

c)  Any shipment of the product (claims must be presented to the carrier). 

d)  Removal or installation of the product. 

e)  Any other cause, which does not relate to a product defect. 

f)  Cartons, equipment enclosures, cables or accessories used in conjunction with the product. 

WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR 

We will pay labor and material expenses for covered items. We will not pay for the following: 

1)  Removal or installations charges. 
2)  Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These 

costs are the responsibility of the Kramer dealer from whom the product was purchased. 

3)  Shipping charges. 

 

 

HOW YOU CAN GET WARRANTY SERVICE 

 

To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center. 

Whenever warranty  service  is  required, the  original dated  invoice  (or a  copy)  must  be  presented  as  proof  of 

warranty coverage, and should be included in any shipment of the product. Please also include in any mailing a 

contact name, company, address, and a description of the problem(s). 

For the name of the nearest Kramer authorized service center, consult your authorized dealer. 

 

LIMITATION OF IMPLIED WARRANTIES 

 

All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited 

in duration to the length of this warranty. 

 

 

 

Summary of Contents for 611R

Page 1: ...KRAMER ELECTRONICS Ltd USER MANUAL Fiber Optic Transmitter Receiver Models 611T 611R IMPORTANT Before proceeding please read paragraph entitled Unpacking and Contents ...

Page 2: ... Devices 7 7 USING the 611T and 611R 7 7 1 Adjusting the Devices 7 7 1 1 Adjusting HF High Frequency loss 7 7 1 2 Adjusting video levels 7 7 2 Using Component video with the system 8 8 ADDING AUDIO TO THE SYSTEM 8 9 TYPICAL APPLICATION 8 10 TAKING CARE OF YOUR FIBER OPTIC DEVICES 8 11 TROUBLESHOOTING 9 11 1 Video and other High Frequency Signals 9 Limited Warranty 10 List of Illustrations Figure 1...

Page 3: ...ioration is inevitable but in most studio applications where standard short distance cabling is used it is acceptable In order to overcome signal losses in long distance applications several solutions are available namely line amplifiers which allow at least doubling of the operation distance or a twisted pair system A twisted pair system uses different types of cables and special interface units ...

Page 4: ...om neighboring electrical appliances These can have an adverse effect on signal quality Balanced audio lines are less prone to interference but unbalanced audio should be installed far from any mains power cables electric motors transmitters and so on even when the cables are shielded The optic fiber system is practically immune to electric interference as the signals transmitted along the optic f...

Page 5: ...rammable video audio distribution The VM 20ARII splits a single video and audio input source into twenty identical outputs with no discernible signal degradation The VM 20ARII has four looping video and audio stereo inputs and a user programmable mode of operation The VM 20ARII can function as a 1 20 2x1 10 4x1 5 or 1 10 2x1 5 DA and audio operation mode may be separated from video mode Output sig...

Page 6: ...system consists of a 611T located at the video source and a 611R at the display device Standard units use multimode technology allowing transmission up to 5 kilometers A 12V power supply is provided with each unit Both units are part of the Kramer TOOLS family of compact high quality and cost effective solutions for a variety of applications Front rear panel features of the 611T are described in F...

Page 7: ...sation High Frequency control trimmer 3 OUTPUT Video output connector on a BNC 4 FROM FIBER ST type connector inputting the converted video signal from the optical fiber to the 611R 5 ON Power ON indication LED 6 12V DC 12 Volts DC feed to the machine 6 INSTALLATION 6 1 Rack Mounting The 611T and 611R come with mounting brackets for tabletop mounting The machines may be rack mounted in a standard ...

Page 8: ...lowing steps should be taken bear in mind though that the factory preset for 1 1 transparency will be lost 7 1 1 Adjusting HF High Frequency loss First with an isolated plastic screwdriver carefully adjust the HF trimmer of the 611T machine and monitor the results at the remote location with a second person at the remote location If there is an improvement in the video signal clarity and noise is ...

Page 9: ...ered via the 611R receiver The recovered MIXED signal may be fed into a VA 12 which will separate the signal into its audio and video components Other signals such as low frequency data signals and so on may be used instead of one or both audio channels The 611T 611R set may be used for digital audio AES EBU transmission instead of Composite video 9 TYPICAL APPLICATION A typical application which ...

Page 10: ...breaks along the optic fiber Sharp bends or loops deteriorate the signal due to energy loss resulting from reflections and exceeding of the critical angle of transmission Adjust levels if needed as described in sections 7 1 1 and 7 1 2 4 Confirm that the video connecting cables are of high quality properly built and terminated with 75ohm BNC connectors Check level controls located on your source i...

Page 11: ...ramer c Any shipment of the product claims must be presented to the carrier d Removal or installation of the product e Any other cause which does not relate to a product defect f Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the f...

Page 12: ...ned to Kramer for service must have prior approval This may be obtained from your dealer NOTICE This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and lig...

Page 13: ...For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Caution Safety Warning Disconnect the unit from the power supply before opening servicing ...

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