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Summary of Contents for Sima SVS-4D
- Page 1 4 Input A/V Switcher with Automatic Input Mode and Volume Stabilizer Model SVS-4D User Manual...
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Page 2: Table Of Contents
1 - This instruction manual 2002 by Sima Products Corp. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without prior written permission from Sima Products Corp..11 SVS-4D ... 12 ... -
Page 3: Introduction
Introduction The Sima model SVS-4D, 4 Input Audio / Video Switcher with Automatic Input Mode (AIM) and Volume Stabilization has been designed for use with home theater, DSS satellite, DVD, audio recording equipment as well as for background music applications. -
Page 4: Front Panel
If the knob is rotated counter-clockwise towards the 10:1 Figure 1, SVS-4D front panel setting, the audio will remain more constant. This will bring up soft dialogue and reduce loud sounds. -
Page 5: Rear Panel
Fig. 3, SRC-1 All the buttons on the SRC-1 IR remote control work just like the buttons on the front of the SVS-4D, with the exception of the DISPLAY button. See descriptions above (under the heading “Front Panel”) for more information POWER - Turns SVS-4D on or off. -
Page 6: Typical Hook Up
This shows a overview of a typical system with the SVS-4D using 4 A/V sources, a TV and Surround system. The outputs of up to 4 devices can feed into the inputs on the SVS-4D. It can then select one of the devices to watch on your TV and/or listen on your receiver. -
Page 7: Digital Audio
If you have a combination of standard composite video (RCA type jacks) and S-Video (mini-din jacks) on your equipment you can only feed one or the other but not both to any given input to the SVS-4D. In this case you have several options. - Page 8 1) Use a “Y” adapter (available from any electronics store) to split the mono signal into two signals to feed both the Left and Right inputs on the SVS-4D. 2) Use just the left connector for the audio of that source.
- Page 9 Figure 6, SVS-4D with recording VCR Note: Remember to select the A/V or AUX input on the recording VCR to record the output of the SVS-4D. Note: It is advisable to turn auto input selection off to avoid the SVS-4D from selecting input #4 and getting feedback.
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Page 10: Operation
SVS-4D will turn off and go into standby mode waiting for an input. Note: If an input goes off and back on in less than 5 seconds, the SVS-4D may not sense the input change so no input change may occur. -
Page 11: Volume Stabilizer Active
Volume Stabilization knob is set to the 10:1 position and the VS ACTIVE light is on. Note: It is normal to notice volume variations even with the SVS-4D set to the 10:1 setting. This is due to the fact the human ear is more sensitive to certain frequencies and these will tend to sound louder. -
Page 12: How It Works
When you turn on a device (VCR, DSS, etc.) a microprocessor in the SVS-4D senses the video input, turns on the SVS-4D (when it is in the stand-by mode) and selects the input. If a second inputs occurs, the unit will switch to the new input. -
Page 13: Volume Stabilization
With the SVS-4D set to 1:2 expansion, if the input makes the same -20 dbv to 0 dbv change as above, the output now goes from -30dbv to +10 dbv. This is a 40 db output change for a 20 db input change. This results in soft sounds, including tape hiss and soft conversations, becoming even softer and loud special effects becoming even louder. -
Page 14: Composite To S-Video Conversion
The SVS-4D has special circuitry to convert the composite video inputs to the S-Video outputs. The SVS-4D sends the original composite and the generated s-video signal to both sets of outputs. However, if you feed the selected input with a s-video signal, the SVS-4D only sends the s-video signal to the output. -
Page 15: Trouble Shooting
Push STANDBY button so unit is in the ON mode. Your TV is using both composite and S-Video inputs. Use only one or the other to feed into the SVS-4D or into your Is the video cable connected from the device to the SVS-4D? Is the device producing a video picture. -
Page 16: Technical Specifications
Technical Specifications - Design and specifications are subject to change without notice Audio Inputs, (4 stereo) Input impedance, 47 Kohms Typical input level, 300 mv Frequency response 20 to 20KHz, +/- 3db (bypass mode) Signal to Noise ratio, greater than 70 db THD less than 0.1% (bypass mode) Left to right separation, greater than 60 db Channel to channel separation, greater than 60 db... -
Page 17: Limited Warranty
Limitation of Liability and Remedies Sima shall have no liability for any damages due to lost profits, loss of use or anticipated benefits, or other incidental, consequential, special or punitive damages arising from the use of, or the inability to use, this product, whether arising out of contract, negligence, tort or under any warranty, even if Sima has been advised of the possibility of such damages. - Page 18 NOTES Page 18...
- Page 19 Sima Products Corp. 140 Pennsylvania Ave., Bld. #5 Oakmont, PA 15139 USA 412-828-3700 800-345-7462 412-828-3775 FAX Visit us at www.simacorp.com E-mail us at custserv@simacorp.com Manual # 21595, rev A Page 19...
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