Sima VS-712 EX User Manual

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

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.

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 (Toslink™) 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).

• Video Signal Conversion - Composite video to S-Video and S-Video to Component video conversion to simplify

SVS-CONTROL interface to allow the VS-

712EX 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.

4 - Input Jacks - a 7

set of input jacks.

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.

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.

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.

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

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

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 the addition of a DIM setting.

POWER – Toggles between Active and Standby mode. DIM - Pressing this button cycles through four levels of brightness on the front

panel lights - bright, medium, dim or off. .

VOLUME STABILIZER ACTIVE - Toggles between the Volume Stabilizer

being Active or in the Bypass mode.

AUTO SCAN - Toggles between the Automatic Input Selection mode being on or

off.

INPUT SELECT 1 through 7 - Selects desired View input. RECORD – Allows the selection of the Record input. Pressing this button once

will cause all of the red Record indicators to light. Pressing INPUT SELECT 1 through 7 within 3 seconds will then set the Record input.

Be sure to install the two AAA batteries in the RM-18 remote before using. Slide the cover open on the remote in the direction of the arrow and install the batteries as shown inside the unit.

Page 7

Typical Hook up

Step 1

Connect the AC adapter to 120 VAC and plug the DC cord into the 15 VDC input on the rear of the VS712EX.

Step 2

You will determine how you want to use your system. We have provided two sample hook-up diagrams to help you determine how to connect the components of your system.

manual as an organizer for your equipment.

Read the following notes before installing the VS712 into your

system.

 If you only have composite video signals or only S-Video signals, then use the one type in your

system. If your TV only has composite video inputs, you must use all composite video signals into the VS-712EX as it will not

convert S-Video signals to composite video.

Note: the VS-712EX does not convert analog audio to digital audio or visa versa.

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 VS-712EX.

In this case you have several options. Option 1: For ease of use, the VS-712EX has a composite to S-Video converter. You can feed a combination of composite and S-Video to the VS-712EX and feed only a S-Video signal to your TV. This lets you use just one S-Video input on your TV and all sources will automatically be displayed there.

Option 2: If your TV has 2 video inputs that supports both composite video and S-Video inputs, you can feed both the composite and S-Video outputs from the VS-712EX to your TV. You will have to select the correct video input on your TV, composite or S-Video. This will give you the best picture quality. Note that this only works if the composite video and S-Video inputs are two separate the picture may be blank, black and white or have lines and streaks.

Both the View A and View B outputs are identical. The VS-712EX has buffers to prevent one output from loading the other output for best system performance.

Note: Most systems have a VHF/UHF cable from an antenna or cable company going into the VCR and then a VHF/UHF cable between the VCR and TV. This is OK but you still must connect the A/V cables as shown in figures 5 and 6. Having both the VHF/UHF cable and the A/V cable would allow you to record a program off of the cable on your VCR (cable input) while watching a different program/movie from another device (DVD) via the VS-712EX on your TV via the A/V input.

Don’t forget, you must select the TV’s A/V input (also call video input or line input on some TV brands) not channel 3 or 4

to view the output of the VS-712EX.

You can use the last page of this

inputs on your TV. Otherwise

Page 8

Fig. 5 - Basic Hook-up #1

Figure 5 below shows a hook-up with only two input sources. This diagram shows only inputs 1 and 2 being used. Be sure you use either S-Video or The one VS-712EX output goes to the TV so you can watch and listen on your TV. The second output (audio only) goes to the stereo receiver so you can listen to music or surround sound audio using your stereo receiver.

composite video inputs, but not both on the same input.

Figure 5, Hook-up in typical system

It would be a typical configuration if you want to watch video on your TV and listen to the audio on TV or stereo receiver.

Note 1: Use of the S-video output requires TV to have S-video input. Note 2:Connect L&R audio output to hear audio from TV set with stereo receiver off.

Note: Remember to always connect the outputs on your VCR/DSS/DVD/etc. to the inputs on the VS-

712EX. Likewise, connect the outputs on the VS-712EX to the inputs on the TV/VCR/Receiver/etc..

Note: If you have one or more devices that are not stereo and have a single audio output, you have two options.

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 VS-712EX.

2) Use just the left connector for the audio of that source.

Page 9

+ 21 hidden pages