USER MANUAL
Contents
1. CAUTION Servicing the machines can only be done by an authorized K ramer technician A ny user who makes changes or modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the equipment Use the supplied DC power supply to feed power to the machine Please use recommended interconnection cables to connect the machine to other components E E Bo For the latest information on our products and a list of Kramer distributors visit our W eb site www kramerelectronics com where updates to this user manual may be found W e welcome your questions comments and feedback Safety Warning Disconnect the unit from the power supply before opening servicing Caution Kramer Electronics Ltd W eb site www kramerelectronics com E mail info kramerel com P N 2900 000234 REV 12. buttons to set the for 3 seconds delay time in msec The buttons illuminate and the display presents the brightness level E Press or to increase or decrease the brightness level respectively DFLAY CONTROL Detay MSEC O N pot 2 KRAMER SIMPLE CREATIVE TECHNOLOGY Overview 3 Overview The Kramer VA 256xl is a balanced stereo analog audio delay that e Lets you adjust for lip sync errors so that the audio delay will match the video delay Provides a delay time ranging from 1 msec up to 5 4 seconds in increments of 1msec e Lets you adjust the display brightness Recalls the previously set input delay settings and the display brightness level via its non volatile memory after powering up Is 12VDC fed and is housed in a TOOLS enclosure To achieve the best performance e Connect only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Avoid interference from neighboring electrical appliances and position your Kramer VA 256xl away from moisture excessive sunlight and dust No operator serviceable parts inside unit Use only the Kramer Electronics input power wall adapter that is provided with this unit Disconnect power and unplug unit from wall before installing or removing device or servicing unit 1 An example of a TV broadcasting lip
3. lt 0 01 4dBu 1kHz S N RATIO gt 90dB unweighted 10dBu A D and D A CONVERSION 48kHz 24 bit MINIMUM DELAY 1msec MAXIMUM DELAY 5400msec POWER SOURCE 12V DC 500mA DIMENSIONS 12 cm x 7 15 cm x 2 76 cm 4 7 x 2 81 1 09 W D H WEIGHT 0 3 kg 0 67 Ibs approx ACCESSORIES Power adapter mounting bracket OPTIONS 19 rack adapters RK T1 RK T3 1 Specifications are subject to change without notice 8 KRAMER SIMPLE CREATIVE TECHNOLOGY LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONG ISTHE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase WHO ISPROTECTED 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 i Accident misuse abuse neglect fire wat
4. 5 2 Setting the Delay Time Set the delay time via the and buttons The delay time is displayed in msec on the 7 segment display located next to these buttons The maximum delay time is 5 4 seconds The delay time setting is saved in the non volatile memory 5 3 Setting the Display Brightness Dimmer Setting Level Use the dimmer settings to modify the brightness of the two input buttons and the display To set the brightness dimmer setting level do the following 1 Press both the and buttons continuously for 3 seconds The two input buttons and the and buttons illuminate The 7 segment display shows the brightness level 2 Press the or button to increase or decrease the brightness level The brightness of the four buttons and the display is adjusted accordingly The dimmer settings mode time out after 20 seconds and the unit returns to normal operation The dimmer setting is saved in the non volatile memory 1 In Imsec steps 2 Ranging from 1 to 100 7 Technical Specifications 6 Technical Specifications Table 2 includes the technical specifications Table 2 Technical Specifications of the VA 256xl Audio Delay INPUTS 4dBu 30kQ on a detachable terminal block connector OUTPUTS 4dBu 500 on a detachable terminal block connector MAX INPUT OUTPUT LEVEL 12dBu balanced BANDWIDTH 20Hz 20kHz THD NOISE
5. as the example in Figure 2 illustrates 1 Connect the VA 256xl as follows see section 5 1 Connect the audio output of the s Video Source to the YC1 AUDIO IN terminal block connector on the VP 724x1 and then connect the AUDIO OUT terminal block connector of the VP 724x1 to the ANALOG INPUT terminal block connector on the VA 256x1 Connect the ANALOG OUTPUT terminal block connector on the VA 256x1 to an audio acceptor for example a receiver 2 Connect the 12V DC power adapter to the power socket and connect the adapter to the mains electricity Set the DELAY as section 5 2 describes 4 Ifrequired set the display brightness see section 5 3 Audio connection for the VP 724xl RIGHT LEFT G G Plasma Display s Video S amp Source Lp Figure 2 Connecting the VA 256xl Audio Delay Using the VA 256x1 Audio Delay 5 1 Connecting the Balanced Unbalanced Stereo Audio Input Output Figure 3 illustrates how to wire a balanced input output connection RIGHT LEFT Gt G t Figure 3 Connecting the Balanced Stereo Audio Input Output Figure 4 illustrates how to wire an unbalanced input connection RIGHT LEFT Gt Gt Figure 4 Connecting the Unbalanced Stereo Audio Input Figure 5 illustrates how to wire an unbalanced output RIGHT LEFT G G Figure 5 Connecting the Unbalanced Stereo Audio Output 6 KRAMER SIMPLE CREATIVE TECHNOLOGY Using the VA 256x1 Audio Delay
6. including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option K ramer shall not be liable for 10 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss or 11 Any other damages whether incidental consequential or otherwise Some countries may not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to K ramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EM C generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EM C generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators
7. sync error is when the sound is heard before the speaker s lips move 2 For example model number AD2512C part number 2535 00025 1 Your VA 256x1 Audio Delay 4 Your VA 256xl Audio Delay Figure 1 and Table 1 define the VA 256x1 Audio Delay RIGHT LEFT RIGHT LEFT qu CI S ANALOG INPUT ANALOG OUTPUT KRAMER TOOLS Audio Delay Figure 1 VA 256xl Audio Delay Table 1 Features and Functions of the VA 256xl Audio Delay Feature Function 1 12V DC 12V DC connector for powering the unit 2 ANALOG OUTPUT Terminal RIGHT Connect to the analog audio acceptor Block Connector LEFT 3 ANALOG INPUT Terminal RIGHT Connect to the analog audio source Block Connector LEFT 4 BELAY CONTROL Button Press to decrease the delay time 5 Button Press to increase the delay time 6 DELAY mSEC 7 segment Display Displays the delay time 7 ONLED Lights when the unit is powered 1 For step by step response press and release these button s as required Press continuously for a quicker response 2 Also used to set the brightness of the display see section 5 3 3 Ranging from 1 to 5400msec in increments of 1msec see section 5 2 4 KRAMER SIMPLE CREATIVE TECHNOLOGY Using the VA 256x1 Audio Delay 5 Using the VA 256xl Audio Delay To adjust a lip sync error when using a scaler for example the Kramer VP 724x1 Seamless Switcher Scaler use the VA 256xl
8. Kramer Electronics Ltd LS KRAMER USER MANUAL Model VA 256xl Audio Delay Contents Contents 1 Introduction 2 Getting Started 2 1 Quick Start 3 Overview 4 Your VA 256xl Audio Delay 5 Using the VA 256xl Audio Delay 5 1 Connecting the Balanced Unbalanced Stereo Audio Input Output 52 Setting the Delay Time 5 3 Setting the Display Brightness Dimmer Setting Level 6 Technical Specifications Figures Figure 1 VA 256x1 Audio Delay Figure 2 Connecting the VA 256x1 Audio Delay Figure 3 Connecting the Balanced Stereo Audio Input Output Figure 4 Connecting the Unbalanced Stereo Audio Input Figure 5 Connecting the Unbalanced Stereo Audio Output Tables Table 1 Features and Functions of the VA 256x1 Audio Delay Table 2 Technical Specifications of the VA 256x1 Audio Delay O Z NDAN A U ia NNDNA Introduction 1 Introduction Welcome to Kramer Electronics since 1981 a world of unique creative and affordable solutions to the infinite range of problems that confront the video audio and presentation professional on a daily basis In recent years we have redesigned and upgraded most of our line making the best even better Our 500 plus different models now appear in 8 Groups which are clearly defined by function Congratulations on purchasing your VA 256xl Audio Delay which is ideal for professional audio video broadcasting and production studios The package includes the following it
9. ems e VA 256xl Audio Delay e Power adapter 12V DC Input e This user manual 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual e Use Kramer high performance high resolution cables 2 1 Quick Start This Quick start chart summarizes the basic steps when connecting the VA 256x1 1 GROUP 1 Distribution Amplifiers GROUP 2 Video and Audio Switchers Matrix Switchers and Controllers GROUP 3 Video Audio VGA XGA Processors GROUP 4 Interfaces and Sync Processors GROUP 5 Twisted Pair Interfaces GROUP 6 Accessories and Rack Adapters GROUP 7 Scan Converters and Scalers and GROUP 8 Cables and Connectors 2 Download up to date Kramer user manuals from the Internet at this URL http www kramerelectronics com 3 The complete list of Kramer cables is on our Web site at http www kramerelectronics com 1 Getting Started Step 1 Connect the input and the output Connect the VA 256xl between the audio source and the audio acceptor via the 1 ANALOG INPUT and the 2 ANALOG OUTPUT terminal block connectors respectively Plasma Display 28 gt Receiver s s Video Source Step 2 Turn the power ON Step 3 Set the unit SET THE DELAY TIME SET THE BRIGHTNESS OF THE DISPLAY Use the DELAY CONTROL E Press both the and buttons continuously and
10. er lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removal or installation of the product vi Any other cause which does not relate to a product defect vii 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 4 Removal or installations charges Cr 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 6 Shipping charges HOW YOU CAN GET WARRANTY SERVICE Je To obtain service on you product you must take or ship it prepaid to any authorized K ramer service center 8 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 9 For the name of the nearest K ramer authorized service center consult your authorized dealer LIMITATION OF IMPLIED WARRANTIES All implied warranties
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