Kramer VM-30AYC User manual

Kramer Electronics, Ltd.
USER MANUAL
Model:
VM-30AYC
1:3 Audio/s-Video DA

Contents
i
Contents
1 Introduction 1
2 Getting Started 1
3 Overview 2
4 Your VM-30AYC Audio/s-Video DA 2
4.1 Connecting the VM-30AYC 3
5 Technical Specifications 5
Figures
Figure 1: VM-30AYC 1:3 Audio/s-Video DA 2
Figure 2: Connecting the VM-30AYC 1:3 Audio/s-Video DA 4
Tables
Table 1: Features and Functions of the VM-30AYC 1:3 Audio/s-Video DA 3
Table 2: VM-30AYC Technical Specifications 5

Introduction
1
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
1
, which are clearly defined
by function.
Congratulations on purchasing your Kramer VM-30AYC 1:3 Audio/s-Video
DA, which is ideal for the following applications:
 Video duplication studios
 Broadcasting, production, or presentation systems requiring high quality
signal distribution
 Schools, retail outlets, sports bars, or other point-of-sale and CCTV
The package includes the following items:
 VM-30AYC 1:3 Audio/s-Video DA
 Power adapter (12V DC Input)
 This user manual
2
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
3
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 our Web site: http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
2
3 Overview
The VM-30AYC 1:3 Audio/s-Video DA is a high performance 1:3 distribution
amplifier for s-Video and stereo audio signals. The VM-30AYC accepts one
s-Video signal
1
and/or one stereo audio signal and distributes them to 3 identical
outputs. A set of front panel trimmers lets you control the video level and the audio
level.
To achieve the best performance:
 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)
 Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer VM-30AYC
away from moisture, excessive sunlight and dust
4 Your VM-30AYC Audio/s-Video DA
Figure 1 illustrates the front and rear panels of the VM-30AYC, and Table 1
defines them:
Figure 1: VM-30AYC 1:3 Audio/s-Video DA
1 From an s-Video source, for example, a camera

Your VM-30AYC Audio/s-Video DA
3
Table 1: Features and Functions of the VM-30AYC 1:3 Audio/s-Video DA
# Feature Function
1 POWER Switch Illuminated switch supplying power to the unit
2 LEFT Trimmer Adjust
1
the left audio signal output level
3
AUDIO
LEVEL RIGHT Trimmer Adjust
1
the right audio signal output level
4 YTrimmer Adjust
1
the Y video signal output level
5
VIDEO
LEVEL C Trimmer Adjust
1
the C video signal output level
6 s-VIDEO INPUT 4p Connector Connect to the s-Video source
7 s-VIDEO OUT 4p Connectors Connect to the s-Video acceptors (from OUT 1 to OUT 3)
8 R RCA connector Connect to the right audio source
9
AUDIO
INPUT L RCA Connector Connect to the left audio source
10 R RCA Connectors Connect to the right audio acceptor (from OUT 1 to OUT 3)
11
AUDIO
OUT L RCA Connectors Connect to the left audio acceptor (from OUT 1 to OUT 3)
12 12VDC +12V DC connector for powering the unit
4.1 Connecting the VM-30AYC
To connect
2
the VM-30AYC 1:3 Audio/s-Video DA, as the example in Figure
2 illustrates, do the following:
1. Connect an s-Video source (for example, an s-Video player) to the s-VIDEO
INPUT 4p connector, and to the L (left) and R (right) AUDIO INPUT RCA
connectors.
2. Connect up to three s-VIDEO OUT 4p connectors
3
to up to three s-Video
acceptors (for example, s-Video recorders), and connect up to three L (left)
and R (right) AUDIO OUT RCA connectors to the appropriate audio inputs
on the s-Video acceptors.
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
Adjust the audio level and the video level, if required.
1 Insert a screwdriver into the small hole and carefully rotate it, to trim the appropriate level
2 Switch OFF the power on each device before connecting it to your VM-30AYC. After connecting your VM-30AYC, switch
on its power and then switch on the power on each device
3 You do not have to connect all the outputs

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your VM-30AYC Audio/s-Video DA
4
s-Video Recorder 3

s-Video Player
s-Video Recorder 1
Figure 2: Connecting the VM-30AYC 1:3 Audio/s-Video DA

Technical Specifications
5
5 Technical Specifications
Table 2 includes the technical specifications.
Table 2: VM-30AYC
1
Technical Specifications
INPUTS: 1 YC, 1Vpp/75(Y), 0.3Vpp/75(C) on a 4p connector
1 audio stereo, 5Vpp/73kon RCA connectors
OUTPUTS: 3 s-Video, 1Vpp/75(Y), 0.3Vpp/75(C) on 4p connectors
3 audio stereo, 5Vpp/150on RCA connectors
MAX. OUTPUT LEVEL: VIDEO: 2Vpp AUDIO: 7dBm (5Vpp)
BANDWIDTH (-3dB): VIDEO: 120MHz AUDIO: >100kHz
DIFF. GAIN: 0.03%
DIFF. PHASE: 0.03 Deg.
K-FACTOR: <0.05%
S/N RATIO: VIDEO: 79dB@5MHz AUDIO: 94dB
CROSSTALK (all hostile): AUDIO: -59dB@5MHz
CONTROLS: VIDEO: Y level: -2.1dB to +4.7dB, C level: -2.5dB to +4.6dB
AUDIO: -20dB to +16dB
COUPLING: AC
AUDIO THD + NOISE: 0.013%
AUDIO 2nd HARMONIC: 0.003%
POWER SOURCE: 12V, 35.8mA
DIMENSIONS: 16.3cm x 11.8cm x 4.36cm (6.42” x 4.65” x 1.72”, W, D, H)
WEIGHT: 0.65 kg (1.4 lbs.) approx.
ACCESSORIES: 12 VDC power supply, brackets for stacking multiple units
OPTIONS: RK-50RN 19” rack adapter
1 Specifications are subject to change without notice

KRAMER: SIMPLE CREATIVE TECHNOLOGY
6
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 seven 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:
i) Accident, misuse, abuse, neglect, fire, water, 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:
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
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. 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"
EN-50082: "Electromagnetic compatibility (EMC) 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”
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.

Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
E-mail: [email protected]
P/N: 2900–000145 REV 1
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.