Gefen 4x4 DVI Matrix Switch User Manual
Contents
1. 108095 H H 11044 USING THE 4X4 DVI MATRIX 1 Connect all the sources to the DVI inputs on the 4x4 DVI Matrix using the supplied cables 2 Connect the HDMI DVI displays to the outputs on the 4x4 DVI Matrix 3 Connect the power supply to the 4x4 DVI Matrix 4 Controlling the 4x4 DVI Matrix using the RMT16 IR Pressing Buttons Display 1 to view Source 1 2 3 or 4 Display 2 to view Source 1 2 3 or 4 Display 3 to view Source 1 2 3 or 4 Display 4 to view Source 1 2 3 or 4 Note for computers connected to the DVI Matrix When your computer boots up it looks for an EDID extended display identification data from the display to tell it what monitor is connected and what resolution to output Dur ing boot up of the computer you should have ONLY one output selected to one input at a time so that the computer gets the EDID of the display that is selected If you have multiple outputs selected to one computer the computer will read the EDID of the last output selected to it If all your displays are the same or all displays are capable of running at the same resolution then this step does not matter You can also use a DVI Detective to eliminate the need to have that matrix selected to the computer during bootup RMT16 IR Installation 1 Remove battery cover from the back of the RMT16 IR remote 2 Ve2. RS 232 Female Mini Stereo Power CONSUMPTION 30 watts POWEr 5V DC DIMENSIONS 17 W x 1 75 H x 5 875 SIMO ING VV es ced a dale Sade 10 Ibs 10 TROUBLESHOOTING If there is any video noise that appears on your output displays you can resolve them by using the methods described in this section AUTO EQUALIZATION Auto equalization is set to ON by default but in some cases you may have to manually equalize the incoming source signal to eliminate video noise that occurs Since the equalization is used only on the incoming source signal manual adjustment of equalization should only be used when the video noise is coming through on a particular incoming source This is easy to test as all displays that access this source will exhibit the same type of noise while other sources will not Typical video noise can be described as Snow or brightly colored pixels that are sometimes referred to as sparkles To switch auto equalization off look on the underside of the 4x4 Matrix and locate the 2 banks of dip switches They will be covered by some metallic tape that normally conceals their location There is a bank of 8 dip switches with a bank of 4 dip switches right below it By default the bank of 8 dip switches will all be set in the OFF position while the bank of 4 dip s
3. switching is done by using either the RMT 16 IR remote control or through the RS232 port The 4x4 DVI Matrix is rack mountable OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 4X4 DVI MATRIX The 4x4 DVI Matrix is housed in metal box for better RF shielding The 4x4 DVI Matrix works with all DVI and HDMI displays e The 4x4 DVI Matrix supports VIDEO signals only NOTE The 4x4 DVI Matrix is not HDCP compliant 5 Features Allows any DVI display to view any source at any time Allows any source to be displayed on multiple displays at the same time Maintains resolutions up to 1080p 2K and 1920x1200 Maintains highest DVI single link video resolution DVI or HDMI to DVI cables are used to connect the inputs and outputs of the matrix Each display s inputs can be switched with the IR remote control or through RS232 Includes 4x4 DVI Matrix DVI 6ft Male to Male Cables 5VDC Power Supply User Manual RMT 16IR Remote Control 1 4 1 1 1 1 Rack Ears PANEL LAYOUT Ajddns 5 s nd no 19104405 22254 yoeg JI 10 221 10 21 10 21 p
4. Gefen dIxd DVI Matrix USER MANUAL ASKING FOR ASSISTANCE Technical Support Telephone 818 772 9100 800 545 6900 Fax 818 772 9120 Technical Support Hours 8 00 AM to 5 00 PM Monday thru Friday Write To Gefen Inc c o Customer Service 20600 Nordhoff Street Chatsworth CA 91311 www gefen com support gefen com Notice Gefen Inc reserves the right to make changes in the hardware packaging and any accompanying documentation without prior written notice The 4x4 DVI Matrix is a trademark of Gefen Inc 2007 Gefen Inc All Rights Reserved 10 11 12 13 14 TABLE OF CONTENTS Introduction Operation Notes Features Panel Layout Using the 4x4 DVI Matrix RMT16 IR Installation IR Codes Dip Switch Guidelines RS 232 Interface 4x4 DVI Matrix Rack Mount Diagram Specifications Terminology Troubleshooting Troubleshooting Diagram Warranty INTRODUCTION Thank you for purchasing the 4x4 DVI Matrix The 4x4 DVI Matrix switches four DVI sources to any four DVI displays The 4x4 DVI Matrix switcher has four DVI inputs and four DVI outputs Matrix input 1 and the DVI port of DVI source 1 connects using a male to male DVI cable The DVI port of DVI source 2 connects to DVI input 2 The DVI port of DVI source 3 connects to DVI input 3 The DVI port of DVI source 4 connects to DVI input 4 There are four 4 DVI outputs connecting to four 4 different displays Note The
5. Switch Auto EQ for Display 1 Auto Manual Equalization for display 1 Auto EQ for Display 2 Auto Manual Equalization for display 2 Auto EQ for Display 3 Auto Manual Equalization for display 3 Auto EQ for Display 4 Auto Manual Equalization for display 4 12 TROUBLESHOOTING DIAGRAM Pre Emphasis Switches Auto Equalization Switches Remove Tape 13 104 Aeldsig 10 uonezienby 104 uogezjenbg y Aejdsig 10 uonezienby
6. on and the other bank of 4 switches are set to ON The bank of 4 dip switches are service switches and should not be changed from their ON position _ Front Bottom HIR Switches RS 232 INTERFACE OOO 9 Pin Male Binary Table Corresponding Binary ASCII Corresponding RMT16 IR RMT16 IR Button Button ___ 1 ___ 0001 9 __ 9 ___ 0011 1001 __ 2 2 100110010 101100001 3 3 b 11 101100040 __4 4 00110100 12 011000 5 5 00110101 _ 13 101100100 6 6 10011010 _ 14 101100101 7 15101100110 8 0011100011 g _ 16 01100111 5232 Settings Bits 19200 sb E 8 rc se gece set None ee ee er ene eee 1 COMITON 4x4 DVI MATRIX RACK MOUNT DIAGRAM SPECIFICATIONS Video Amplifier Bandwidth cccccccecceseeeeaeeeeeseeeesseeeesaeeeeeeeeeseees 1 65 Gbps Input Video Signal 1 2 volts Input DDC 5 volts TTL Arsen DVI I 29 female digital only SINGS 1080 1920 1200 Remote Control Port
7. rify that dip switches 1 amp 2 are in the down OFF position 3 Insert the battery hold the battery so that you can see the positive side fac ing up The side that is not marked must be facing down 4 Test the RMT16 IR remote by pressing ONLY one button at a time The indicator light on the remote will flash once each time you press a button WARNING Do not press multiple buttons simultaneously and do NOT press buttons rapidly These actions will cause the remote to reset and steps 1 4 will have to be repeated Note The RMT16 IR ships with two batteries One battery is required for operation the second battery is complimentary IR CODES In the event of IR conflicts please do the following 1 Remove the battery cover from the back of the RMT16 IR remote 2 Locate the Dip Switches above the batteries Switch the Dip Switches the RMT16 IR to any of the combinations pic tured below 4 Dip Switches 1 and 2 in the RMT16 IR correspond with Dip Switches 1 and 2 inside the 4x4 DVI Matrix respectively Switch the switches inside the 4x4 DVI Matrix to match the same Remote Channel as the RMT16 IR The 4x4 DVI Matrix is now set to a new IR Code Remote Channel 0 Remote Channel 1 Remote Channel 2 Remote Channel 3 DIP SWITCH GUIDELINES Underneath the 4x4 DVI Matrix are two banks of Dip Switches Below is a table describing their functions By default the Bank of 8 switches are set of to the Off positi
8. witches which are for auto equalization will be set to ON First determine which display output port is exhibiting the image issue and turn OFF the corresponding auto equalization dip switch using the guide below Then locate the corresponding equalization trim pot Located on the diagram on the next page on the underside of the 4x4 Matrix and turn it in small increments in either a clockwise or counter clockwise motion until the image clears and no longer exhibits any noise PRE EMPHASIS If your input source signals are displaying fine whether it is using auto or manual equalization but you re experiencing issues with particular displays your cable run may be too long and a pre emphasis can be added to account for the distance that the signal will have to travel To do this first determine which display output port is exhibiting this issue and using the dip switch guideline below turn on pre emphasis for that particular port Using both of these techniques individually or in conjunction will help you tune in your signal to get the best possible image quality out of your Gefen 4x4 DVI KVM Matrix 8 Dip Switch Bank Pre emphasis 1 IR Code Dip Switch__ Corresponds to Dip Switch 1 RMT16 1R 2 IR Code Dip Switch Corresponds to Dip Switch 2 RMT16 1R __3__ __ OOO 1 _ 1 2 3 5 7 ___8 Output 1 pre emphasis Output 1 pre emphasis 4 Dip Switch Bank Auto Equalization Dip
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