7 Input A/V Switcher with Component Video, Digital Audio, Conversion, Automatic Input Mode and Volume Stabilizer Model VS-712EX User Manual Package Contents: 1 - VS-712EX A/V switcher unit 1 - Power Adapter, (120VAC input,15VDC output) 1 - IR remote control, with batteries 1 - This instruction manual 1 ­ SVS-Remote Control to RS-232C Adapter Options (Available separately) 19" Rack Mount Kit A/V Cables Caution: IMPORTANT SAFEGUARDS FOR AUDIO PRODUCTS. PLEASE READ CAREFULLY THE FOLLOWING IMPORTANT SAFEGUARDS THAT ARE APPLICABLE TO YOUR EQUIPMENT 1. Read instructions - All the safety and operating instructions should be read before the appliance is operated. 2. Retain instructions - The safety and operating instructions should be retained for future reference. 3. Heed Warnings - All warnings on the appliance and in the operating instructions should be adhered to. 4. Follow instructions - Follow all operating and use instructions. 5. Water and Moisture - the appliance should not be used near water - for example: near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement or near a swimming pool. 6. Ventilation - The appliance should be located so that its location or position does not interfere with proper ventilation. For example: the appliance should not be situated on a bed, sofa, rug or similar surface that may block the ventilation openings. 7. Heat - the appliance should be situated away from heat sources such as radiators, registers, stoves or other heat-producing appliances . 8. Power sources - the appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance. 9. Grounding or polarization. - Precautions should be taken so that the polarization or grounding means of the appliance is not defeated. Caution: To prevent electric shock, match the wide blade of this plug to the wide slot, fully insert. Do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. 10. Power cord Protection - Power supply cords should be routed so they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and where they exit from the appliance. 11. Cleaning - Wipe unit with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning solvents or strong detergents. 12. Nonuse periods - The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. 13. Object and Liquid entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings. 14. Damage requiring service - The appliance should be serviced by qualified personnel when: the power cord has been damaged, objects have fallen or liquids spilled into the appliance, the appliance has been exposed to rain, does not appear to operate normally or exhibits a marked change in performance or the unit has been dropped or the enclosure damaged. 15. Service - The user should not attempt to service the appliance beyond that described in the operating manual. All other servicing should be referred to qualified service personnel. Notice to Users The system may cause interference to a TV or radio even when it is operating properly. To determine whether the system is causing the interference, turn it off. If the interference goes away, the system is causing the interference. NOTE: This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be deter-mined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which the receiver is needed. · Contact your dealer for help. This device complies with part 15 of the FCC Rules. Operation is subject to the following two Conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment 2003 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. Page 2 Table of Contents PACKAGE CONTENTS:........................................................ 1 CAUTION:................................................................................ 2 INTRODUCTION .................................................................... 4 FRONT PANEL ....................................................................... 5 REAR PANEL .......................................................................... 6 IR REMOTE CONTROL, RM-18.......................................... 7 TYPICAL HOOK UP .............................................................. 8 OPERATION.......................................................................... 11 POWER .................................................................................. 11 VIEW INPUTS......................................................................... 11 RECORD INPUTS .................................................................... 11 AUTO SELECT MODE............................................................. 11 VOLUME STABILIZER ACTIVE................................................ 12 VOLUME STABILIZATION ADJUSTMENT................................. 12 HOW IT WORKS .................................................................. 13 SIMPLIFIED BLOCK DIAGRAM OF THE VIEW CHANNEL ..... 13 SIMPLIFIED BLOCK DIAGRAM OF THE RECORD CHANNEL 13 AUTOMATIC INPUT SENSING ................................................. 14 VOLUME STABILIZATION ....................................................... 14 VOLUME STABILIZER INPUT / OUTPUT CURVES .................... 14 COMPOSITE TO S-VIDEO TO COMPONENT CONVERSION ........ 15 EXAMPLES OF VIDEO CONVERSION....................................... 15 DIGITAL AUDIO CONVERSION................................................ 16 ADVANCED INFORMATION............................................. 17 DIP SWITCH SETTING............................................................ 17 IR INPUT ............................................................................... 22 SVS-CONTROL INTERFACE............................................. 18 SVS-CONTROL CONNECTION............................................. 18 VIEW VIDEO COMMANDS..................................................... 19 RECORD VIDEO COMMANDS ............................................... 19 COMPANDER COMMANDS ................................................... 19 IR REAR PANEL INTERFACE .......................................... 22 VALID IR COMMANDS ...................................................... 22 TROUBLE SHOOTING........................................................ 23 TERMS.................................................................................... 23 TECHNICAL SPECIFICATIONS -..................................... 25 LIMITED WARRANTY ....................................................... 27 System Organization Chart .............................................. 30 Page 3 Introduction Congratulations on purchasing Sima's Model VS-712EX, 7 Input Audio / Video Switcher with Automatic Input Mode (AUTO SELECT) and Volume Stabilization. It has been designed for use with Home Theater, DSS Satellite, DVD, HDTV, Video Games, Audio Recording Equipment, as well as for background music applications. The VS-712EX has the following features: · High bandwidth, low noise audio / video switching for today's high quality systems. · Seven A/V inputs plus component video and digital audio to allow you to add more A/V sources such as DVD, satellite dish, VCR, HDTV, games and more to your TV and home theater system. · Convenient front panel A/V input for connecting camcorder or digital camera · Dual A/V outputs - Watch one source on your TV with your surround sound receiver and record a different A/V source on your VCR. · Video Signal Conversion - Composite video to S-Video and S-Video to Component video conversion to simplify hook-up in systems using composite, SVideo and component video. · Digital Audio Conversion - simplifies your hook-up by providing outputs for both coaxial and optical (ToslinkTM) audio signals regardless of the source. · Automatic Input Mode (AUTO SELECT) detects and switches to the most recent active input without manual selection. Simply turn on your DVD and the VS-712EX directs the video and audio from this device automatically to the TV and audio receiver. · Volume Stabilization - maintains constant audio volume levels for late night viewing or when channel surfing. It can also be adjusted to add impact to older movies by increasing the dynamic range. · IR remote control to select a different input or mode. · Brightness control - Front panel display allows you to dim the lights for nighttime use (via the remote only). SVS-CONTROL interface to allow the VS712EX to be controlled by home automation equipment. (Adapter Cable included) Page 4 Front Panel Figure 1, VS-712EX front panel Controls 1 - IR Receive Window 2 - Power / Standby - Press to toggle the unit between modes. The red Standby indicator above the button will be lit when the unit is in Standby Mode. 3 - Record Inputs 1 through 7 - Press to select the desired input to send to the record output. The red Record Input indicator will light to show the currently selected input. th 4 - Input Jacks - a 7 set of input jacks. 6 - Volume Stabilizer Adjustment - This controls the amount of dynamic range you want from 10:1 (compressed ­ constant audio) to 1:1 setting, (no effect) to 1:2 (expanded ­ increased dynamic range). 7 - View Inputs 1 through 7 - Press to select the desired input to send to the VIEW outputs. The green View Input indicator will light to show the currently selected input. 8 - Auto Select Mode - Press to turn AUTO SELECT on or off. When on, the unit will scan the video inputs and automatically turn on and switch to the most recent input device turned on. 5 - Volume Stabilizer Active - Press to turn Volume Stabilizer on or off. The amber indicator light will be lit next to the selected adjustment level. Indicator light is off when the Volume Stabilizer is bypassed. Page 5 Rear Panel Figure 2, VS-712EX rear panel 1 - Composite Video Inputs, 1 through 6 from the composite video output of your VCR, DSS or DVD devices. 2 - S-Video Inputs, 1 through 6 from the S-Video output of your VCR, DSS or DVD devices. 3 - Component Video Inputs 1 through 3 from the video output of your Cable Box, DSS or DVD devices. 4 - Left and Right Audio Inputs, 1 through 6 from the audio output of your VCR, DSS or DVD devices. 5 - Optical inputs for digital audio connect to the optical output of your DVD, CD player etc. 6 - Coaxial inputs for digital audio connect to the coaxial output of your DVD, CD player etc. 7 - Optical and coaxial output for digital audio that connects to the digital audio input of stereo receiver. 8 - Left and Right audio outputs, A and B that connects to the audio inputs on your TV, VCR or surround sound receiver 9 - 15V DC input from the AC wall power supply 10 ­ DIP Switch setting to set the default operation of the unit. 11 - Wired IR Input connect to your home automation system or Sima SUR-47 Wireless LCD Touchscreen Remote Control 12 - SVS-CONTROL connect to your home automation system or PC. 13 ­ Left and Right Record audio outputs that connect to the input on your recording VCR/DVD. 14 - Composite and S - Video Record outputs that connect to the input on your recording VCR/DVD. 15 - S-Video and Composite Video View Output (A&B) that connects to your TV or monitor. 16 ­ Left and Right Component Video View output that connects to your TV or monitor Page 6 IR Remote Control, RM-18 Fig. 3, RM-18 The RM-18 IR remote control allows you to control all of the functions available from the unit's front panel, with t ...