Kramer Electronics Stereo System VA 256D User Manual

Kramer Electronics, Ltd.  
USER MANUAL  
Model:  
VA-256D  
Digital Audio Delay  
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ADDENDUM (this data is included at the end of the Overview section)  
This addendum adds the following information to the user manual:  
Caution – No operator-serviceable parts inside unit.  
Warning – Use only the Kramer Electronics input power  
wall adapter that is provided with this unit1.  
Warning – Disconnect power and unplug unit from wall  
before installing or removing device or servicing unit.  
1 For example: model number AD2512C, part number 2535-000251  
2900-9999992  
A1  
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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  
350-plus different models now appear in 8 Groups1, which are clearly defined  
by function.  
Congratulations on purchasing your VA-256D, which is ideal for audio/video  
broadcasting and production studios.  
The package includes the following items:  
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VA-256D Digital Audio Delay  
Power adapter (12V DC Input)  
This user manual2  
2 Getting Started  
We recommend that you:  
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Unpack the equipment carefully and save the original box and packaging  
materials for possible future shipment  
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Review the contents of this user manual  
Use Kramer high performance high resolution cables3  
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  
1
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Overview  
3 Overview  
The Kramer VA-256D is a digital delay line that can be used as a  
coax-to-optical or optical-to-coax converter, as a coax or optical repeater, and  
as an audio delay line.  
The high-performance VA-256D:  
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Lets you adjust for lip sync errors so that the audio delay will match the  
video delay1  
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Provides a user-programmable delay of the audio signal  
Is EIAJ CP1201, IEC-60958, AES3, S/PDIF compatible and supports 32kHz to  
96kHz sample frequency range  
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Is fully transparent to the digital stream, making it ideal for the most demanding  
audio applications including home cinema and professional audio applications  
(such as PCM, Dolby Digital, DTS, AES and so on)  
Is 12VDC fed and is housed in a DigiTOOLS enclosure  
Achieving the best performance means:  
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Connecting 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)  
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Avoiding interference that may adversely influence signal quality and  
positioning the VA-256D away from moisture, excessive sunlight and dust  
4 Your VA-256D Digital Audio Delay  
Figure 1 and Table 1 define the VA-256D Digital Audio Delay:  
1 An example of a TV broadcasting lip sync error is when the sound is heard before the speaker’s lips move  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
2
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Your VA-256D Digital Audio Delay  
Figure 1: VA-256D Digital Audio Delay  
Table 1: Features and Functions of the VA-256D Digital Audio Delay  
#
Feature  
Function  
1
2
12V DC  
+12V DC connector for powering the unit  
Connect to the digital audio source  
S/PDIF RCA Connector  
OPTICAL Connector  
S/PDIF  
3
4
Connect to the digital audio source  
Connect to the digital audio acceptor  
5
OPTICAL  
Connect to the digital audio acceptor  
6
7
8
9
ON LED  
DELAY CONTROL Dipswitches  
LINK LED  
Illuminates when receiving power  
Dipswitches for setup of the delay time1  
Illuminates when the audio is locked  
Push in to select the S/PDIF source,  
release to select the OPTICAL source link  
INPUT Button  
1 Ranging from 0 to 682 milliseconds in increments of 2.6 milliseconds (see section 5.1)  
3
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Using the VA-256D Digital Audio Delay  
5 Using the VA-256D Digital Audio Delay  
To adjust a lip sync error when using a scaler, use the VA-256D, as the  
example in Figure 2 illustrates:  
1. Connect the audio outputs of the DVD players to the S/PDIF and/or  
OPTICAL INPUTS on the VA-256D.  
2. Connect the S/PDIF and/or OPTICAL OUTPUTS on the VA-256D to  
the audio input on the audio receiver (for example an AV receiver).  
3. Connect the 12V DC power adapter to the power socket and connect the  
adapter to the mains electricity.  
4. Set the Delay Control dipswitches, as section 5.1 describes.  
5. Push in the INPUT button (item 9 in Figure 1) to select to select the  
S/PDIF source, release it to select the optical source1.  
AV Receiver  
To a Scaler  
and then to  
Plasma Display  
DVD  
Player  
DVD  
Player  
AV Receiver  
Figure 2: Connecting the VA-256D Digital Audio Delay  
1 Both outputs are available  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
4
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Using the VA-256D Digital Audio Delay  
5.1 Setting the Delay Control Dipswitches  
By default, the VA-256D dipswitches are set to ON. Set the delay time,  
according to the sample rate1, using the Delay Control dipswitches, as Table 2  
defines.  
Table 2: Setting the Delay Control Time using the Delay Control Dipswitches  
msec  
44.1  
kHz  
DIP  
Binary  
Value  
Step  
32  
kHz  
48  
kHz  
96  
kHz  
1
2
3
4
5
6
7
8
0
3.9  
8
12  
16  
0
2.8  
5.7  
8.7  
11.6  
14.6  
17.4  
0
0
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
OFF ON  
OFF ON  
ON  
ON  
OFF ON  
ON  
OFF  
0
1
2
3
4
5
6
0
1
10  
2.6  
5.3  
8
10.7  
13.4  
16  
1.3  
2/6  
4
5.3  
6.7  
8
OFF OFF  
11  
ON  
OFF  
100  
101  
110  
20.1  
22.4  
OFF OFF ON  
28  
20.3  
23.3  
26.1  
18.7  
21.4  
24  
9.3  
10.7  
12  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
OFF OFF OFF  
7
8
9
111  
32.1  
36  
OFF ON  
OFF ON  
OFF ON  
ON  
ON  
ON  
1000  
1001  
OFF  
40  
60  
29  
26.7  
40  
53.5  
67  
13.3  
20  
26.7  
33.5  
46.8  
60  
73.5  
100  
133  
167  
200  
234  
267  
301  
334  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
OFF ON  
OFF ON  
ON  
ON  
OFF ON  
10  
1010  
1111  
10100  
11001  
43.5  
58.2  
73  
OFF OFF OFF OFF 15  
OFF ON ON 20  
OFF OFF ON ON OFF 25  
OFF OFF 35  
80.2  
100  
140  
180  
220  
301  
400  
501  
601  
702  
802  
903  
1003  
OFF ON  
102  
131  
160  
219  
291  
363  
436  
509  
582  
655  
728  
93.6  
120  
147  
201  
267  
334  
401  
468  
535  
602  
669  
ON  
ON  
100011  
101101  
110111  
1001011  
1100100  
1111101  
10010110  
10101111  
11001000  
11100001  
11111010  
OFF OFF ON  
OFF 45  
OFF OFF OFF 55  
OFF OFF ON  
ON  
OFF OFF ON  
OFF OFF OFF OFF OFF ON  
OFF ON  
OFF ON  
ON OFF ON  
OFF OFF 75  
ON  
OFF 125  
OFF OFF ON  
100  
OFF ON  
ON  
OFF ON  
ON  
OFF OFF OFF ON  
OFF OFF OFF OFF OFF ON  
OFF OFF OFF OFF OFF OFF OFF OFF 255  
OFF ON  
150  
OFF ON  
OFF OFF OFF OFF 175  
OFF ON  
ON ON  
OFF OFF ON  
ON  
ON  
OFF ON  
ON  
OFF 225  
250  
200  
1023  
742  
682  
341  
11111111  
1 32kHz, 44.1kHz, 48kHz or 96kHz  
5
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Technical Specifications  
6 Technical Specifications  
Table 3 includes the technical specifications:  
Table 3: Technical Specifications1 of the VA-256D Digital Audio Delay  
INPUTS:  
OUTPUTS:  
1 S/PDIF input on an RCA connector; 1 Toslink optical connector  
1 S/PDIF output on an RCA connector; 1 Toslink optical connector  
AUDIO SIGNAL COMPATIBILITY:  
Digital Audio (S/PDIF): All current broadcast/DVD standards,  
including Dolby Digital, EX, DTS, ES and PCM  
Audio sample rates of 32kHz, 44.1kHz, 48kHz (standard DVD) and  
96kHz (DTS 96/24)  
AUDIO DELAY CAPABILITIES  
(DIPSWITCH SETTINGS):  
0-999ms for 32kHz sample rate signals  
0-740ms for 44.1kHz sample rate signals  
0-680ms for 48kHz sample rate signals  
0-340ms for 96kHz sample rate signals  
POWER SOURCE:  
DIMENSIONS:  
WEIGHT:  
12V DC, 300mA  
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.  
ACCESSORIES:  
OPTIONS:  
Power adapter, mounting bracket  
19” rack adapters: RK-T1, RK-T3  
1 Specifications are subject to change without notice  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
6
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LIMITED WARRANTY  
Kramer Electronics (hereafter Kramer) warrants this product 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 dealer is authorized, please contact Kramer at one of the agents listed in the Web site  
a
2.  
3.  
Any product, on which the serial number has been defaced, modified or removed.  
Damage, deterioration or malfunction resulting from:  
i)  
ii)  
iii)  
iv)  
v)  
Accident, misuse, abuse, neglect, fire, water, lightning or other acts of nature  
Product modification, or failure to follow instructions supplied with the product  
Repair or attempted repair by anyone not authorized by Kramer  
Any shipment of the product (claims must be presented to the carrier)  
Removal or installation of the product  
vi)  
vii)  
Any other cause, which does not relate to a product defect  
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.  
2.  
Removal or installations charges.  
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  
1.  
2.  
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).  
3.  
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.  
EXCLUSION OF DAMAGES  
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer  
shall not be liable for:  
1.  
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:  
2.  
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 Kramer 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 (EMC);  
generic emission standard.  
Part 1: Residential, commercial and light industry"  
"Electromagnetic compatibility (EMC) generic immunity standard.  
Part 1: Residential, commercial and light industry environment".  
FCC Rules and Regulations:  
EN-50082:  
CFR-47:  
Part 15: “Radio frequency devices  
Subpart B – Unintentional radiators”  
CAUTION!  
Servicing the machines can only be done by an authorized Kramer technician. Any 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.  
7
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For the latest information on our products and a list of Kramer  
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/servicing.  
Caution  
Kramer Electronics, Ltd.  
P/N: 2900-000048 REV 1  
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