Gefen GTV-AUDDEC-N decoder
Contents
1. SETIF 69 MENU SYSTEM SUMMARY am c 3 A AN MEHU Lee 70 MENU SYSTEM SUMMARY Speaker Size Menu MATH SPEAKER SIZE Mode OK SPEAKER SIZE FROHT 2 SPEAKER SIZE SMALL SPEAKER SIZE SURF SMALL SPEAKER SIZE SUE SMALL SPEAKER SIZE ERIT 71 MENU SYSTEM SUMMARY Speaker Level Menu MATH SPEAKER LEVEL Mode OK SPEAKER LEVEL FROHT L SPEAKER LEVEL SPEAKER LEVEL CraBE SPEAKER LEVEL SURF R crab SPEAKER LEVEL SURF L cCrBBIB3 72 MENU SYSTEM SUMMARY SPEAKER LEVEL SLE CtrIBDB 73 MENU SYSTEM SUMMARY Speaker Distance Menu MATH SPEAKER DISTAHCE Mode SPEAKER DIZTAHCE FROHT L 2 SPEAKER DISTAHCE Br SPEAKER FROHT C83 SPEAKER DISTANCE SURE F caz SPEAKER DIZTAHCE SURF L caz 74 MENU SYSTEM SUMMARY SPEAKER DISTAHCE SUJE CE 75 MENU SYSTEM SUMMARY Tone Control Menu MATH MEHL CONTROL CONTROL BASS 05106 CONTROL TREBLE BmDE 76 MENU SYSTEM SUMMARY Audio Setup Menu MATH AUDIO SETUP Mode OK AUDIO SETLP LOAATAL FAY PROG AUDIO SETIF FAY AUDIO SETLP mun LE FAY AUDIO SETLP2. 1 FAY PROC AUTIO SETLP HIHI 2 FAY 77 MENU SYSTEM SUMMARY AUDIO SETLF HIHI 2 PROC Exit v AUDIO SETUP 4 PROC Exit O Y AUDIO SETUP DEC OFF 3 AUDIO SETUP 4 Y AUDIO SETIF Bee 78 MENU SYSTEM SUMMARY Misc Setup Menu SC SETUP Mode SC SETIF ST LUHITZMETER SETUP ATT IMTS SC STEM HTSC MISC SETUP TE 51 MISC SETUP FACTOR DEFAULT 79 MENU SYSTEM SUMMARY gt MISC SETUP EXIT 80 SPECIFICATIONS Maximum Pixel Clock issie 3 225 2 Input DDC 2 5 Volts p p TTL Single Link Range 1080p 1920 x 1200 max resolution Digital Audio 1 x S PDIF coaxial ADM Input ocho eg ehe cepere 1 x HDMI Female 19 pin HDMI Outputs 2 x HDMI Female 19 pin Digital Audio Output 1 x S PDIF coaxial Digital Audio 1 x TOSLINK optical Analog Audio Outputs kispe aaa sukama aaa 8 total 6 analog audio RCA jacks 2 additional RCA jacks for Bi Amp Supported Audio Formats Dolby Digital 5 1 AC3 LPCM HDMI direct up to 6 ch Audio PROCESSING n e eai EE i Dolby Pro Logic 11 Signal To Noi
3. Gefen 4x1 HD Switcher w Audio Decoding GTV AUDDEC N User Manual gefentv com 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 through Friday Pacific Time Write To Gefen LLC Customer Service 20600 Nordhoff St Chatsworth CA 91311 gefentv gefen com www gefentv com Notice Gefen LLC reserves the right to make changes in the hardware packaging and any accompanying documentation without prior written notice 4x1 HD Switcher w Audio Decoding is a trademark of Gefen LLC HDMI the HDMI logo and High Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing in the United States and other countries Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are registered trademarks of Dolby Laboratories 2011 Gefen LLC All rights reserved All trademarks are the property of their respective owners Rev A3 Q N 11 12 12 13 13 13 15 16 16 17 17 19 21 23 25 30 32 34 36 38 40 42 43 69 69 71 72 74 76 77 79 81 82 CONTENTS Introduction Operation Notes Features Front Panel Layout Front Panel Descriptions Back Panel Layout Back Panel Descriptions IR Remote Layout and Descriptions IR Remote Installation IR Remote Configuration Connecting the 4x1 HD Switcher w Audio
4. MATH AUDIO SETUP 30 MENU SYSTEM Using the IR Remote Control From the Standby screen press the MENU button Use the or Y buttons to navigate to the Audio Setup menu MATH MEHO AUDIO SETUP Press the ENTER button Use the A or Y buttons to select the DRC option AUDIO SETUP TRC 5 OFF 27 Press the 4 gt button to change to enable DRC AUDIO SETUP TRC DH Press the EXIT button to save the changes and return to the Audio Setup menu 31 MENU SYSTEM Audio Enhancement Modes The 4x1 Switcher w Audio Decoding provides four distinct audio enhancement modes Each of these modes provide a different audio listening experience Available Modes Mode Description Increases the volume of quiet passages while HIGHT decreasing the volume of loud passages Similar to DRC but works with all audio signals Detects speech audio patterns and separates them WOTCE from the background sounds making them more 7 intelligible Real time detection of the source audio gain VOLUME providing constant volume level between changing MONS channels and commercial advertisements OFF Disables audio enhancement mode Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use the Volume A or Volume Y buttons to navigate to the Audio Setup menu MATH MENO AUDIO SETIF 3 Press the Mode OK button 4 Use Volume A or V
5. or Volume Y buttons to navigate to the Tone Control menu MATH CONTROL 2 Press the Mode OK button The front panel display will show the current bass setting CONTROL BASS CrO1DB 3 Press the Mute gt or Input lt button to change the bass setting CONTROL BASS B208 3 4 Use the Volume or Volume V buttons to navigate to the Treble setting and adjust the level as necessary 5 Press the Exit button to save the changes and return to the Tone Control menu MATH CONTROL 23 MENU SYSTEM Using the IR Remote Control From the Standby Screen press the MENU button Use the or Y buttons to navigate to the Tone Control menu MATH MEHO CONTROL Press the ENTER button The front panel display will show the current bass setting 010 02 Press the 4 or gt button to change the bass setting CONTROL BASS B208 3 Use the A or Y buttons to navigate to the Treble setting and adjust the level as necessary Press the EXIT button to save the changes and return to the Tone Control menu MATH CONTROL 24 MENU SYSTEM Saving Audio Processing Favorites The 4x1 Switcher w Audio Decoding allows any of five audio processing modes to be associated with a selected input For example you may want to associate the Multichannel Stereo audio processing mode with t
6. 2 Input 4 This button cycles through all video and audio inputs For each video input audio may be selected from the embedded HDMI audio or the coax optical or L R analog audio inputs 3 Volume Y This button is used to decrease the volume level of the audio outputs when not in the Menu System While in the Menu System this button will cycle down through the current level s options 4 Mode OK This button will change the audio processing mode This button serves as a confirmation button when using the Menu System 5 Exit This button is used to exit the current menu level and return to the previous parent level This button will exit the entire Menu System when on the top most level 6 Power Press this button to power ON the Switcher or place it in Standby mode 7 Power Indicator This LED will indicate the current power state When the LED is red the unit is in standby mode When the LED is green the unit is on 8 Menu This button will activate the Menu System which is where all adjustment and settings will be made 9 Main LCD Display This display will show pertinent status information and will be used to make adjustments to features in the Menu System 10 Volume A This button is used to increase the volume level of the audio outputs when not in the Menu System While in the Menu System this button will cycle up through the current level s options 11 Mute This button will cycles between Mute On and Mute Off modes W
7. Decoding Wiring Diagram Operating the 4x1 HD Switcher w Audio Decoding Status Screen Standby Mode and Power the Switcher Adjusting the Volume Changing the Audio Processing Mode Accessing the Menu System Menu System Setting the Speaker Size Setting the Speaker Level Setting the Speaker Distance Adjusting the Tone Control Saving Audio Processing Favorites Dynamic Range Compression Audio Enhancement Modes Setting the Unit of Measure Setting the EDID Mode Setting the IR Channel Resetting the Switcher to Factory Settings RS 232 Serial Control RS 232 Serial Commands Menu System Summary Main Menu Speaker Size Menu Speaker Level Menu Speaker Distance Menu Tone Control Menu Audio Setup Menu Misc Setup Menu Specifications Warranty INTRODUCTION Congratulations on your purchase of the 4x1 HD Switcher w Audio Decoding Your complete satisfaction is very important to us Gefen TV Gefen TV is a unique product line catering to the growing needs for innovative home theater solutions We specialize in total integration for your home theater while also focusing on going above and beyond customer expectations to ensure you get the most from your hardware We invite you to explore our distinct product line and hope that you find your solutions Don t see what you are looking for here Please call us so we can better assist you with your particular needs The Gefen TV 4x1 Switcher w Audio Decoding The GefenTV 4x1 HD Switcher w Au
8. Large Center speaker 02 Center Speaker OFF Notes Use for param1 to retrieve the current value DC Command The DC command sets the distance of the Center speaker Syntax DC paraml Parameters param1 Distance 0 20 46 RS 232 SERIAL COMMANDS Returns DC paraml Notes Distance is measured in feet Use for param1 to retrieve the current value DFL Command The DFL command sets the distance of the Front Left speaker Syntax DFL paraml Parameters param1 Distance 0 20 Returns DFL paraml Notes Distance is measured in feet Use for param1 to retrieve the current value 47 RS 232 SERIAL COMMANDS DFLT Command The DFLT command sets the unit to the default settings Syntax DFLT 1 Parameters None Returns DFLT Notes The value of 1 must be specified as a parameter DFR Command The DFR command sets the distance for the Front Right speaker Syntax DFR paraml Parameters param1 Distance 0 20 Returns DFR paraml Notes Distance is measured in feet Use for param1 to retrieve the current value 48 RS 232 SERIAL COMMANDS DRC Command The DRC command enables or disables Dynamic Range Control Syntax DRC paraml Parameters param1 Value Value Meaning 0 Turn DRC OFF 1 Turn DRC On Returns DRC paraml param1 Meaning DRC 00 DRC is OFF DRC 01 DRC is ON Notes Us
9. Notes Use for param1 to retrieve the current value 57 RS 232 SERIAL COMMANDS MD Command The MD command sets the audio mode Syntax MD paraml Parameters param1 Mode 0 4 Mode Meaning 0 Pro Logic Surround 1 Direct Input 2 Downmix to Stereo L R 3 Multichannel Surround 4 Downmix to Mono Returns MD paraml Mode Meaning 00 Pro Logic Surround 01 Direct Input 02 Downmix to Stereo L R 03 Multichannel Surround 04 Downmix to Mono Notes Use for param1 to retrieve the current value 58 RS 232 SERIAL COMMANDS MUTE Command The MUTE command sets the audio mode Syntax MUTE paraml Parameters param1 Mode 0 3 Mode Meaning 0 Disable mute 1 Volume set to minimum 2 Mute toggle Returns Using RS 232 the following values are returned Value Meaning MUTE 00 Mute is OFF MUTE 01 Mute is ON MUTE 00 Mute toggled OFF MUTE 01 Mute toggled ON Notes Setting param1 to 2 will toggle the current audio muting state Use for param1 to retrieve the current value 59 RS 232 SERIAL COMMANDS PWR Command The PWR command turns the Scaler ON or OFF Syntax PWR paraml Parameters param1 Mode 0 2 Mode Meaning 0 Power save mode 1 Power On 2 Toggle power state Returns Using RS 232 the following values are returned Val
10. Optical Press this button to select the S PDIF audio input source The current video source will not change HDMI 1234 Press this button cycle between each of the HDMI input sources The audio output will follow the HDMI source Info Test Tone This button will display a series of information messages on the LCD screen when pressed When adjusting the Speaker Level this button will activate a test tone that is useful for adjusting the volume level of each speaker Enhance This button will cycle through audio enhancement presets See page 32 for details on the available presets gt Cursor Right This button will navigate right when using the Menu System Menu This button will activate the Menu System which is where all adjustment and settings will be made Cursor Up Increase Volume This button is used to increase the volume level of the audio outputs when not in the Menu System While in the Menu System this button will cycle up through the current level options Power This button will toggle between the ON and STANDBY power states An LED status indicator will signify the current power state A RED LED will be active when the unit is in Standby power state A GREEN LED will be active when the unit is in the ON power state Activity Indicator This LED will be activated momentarily each time a button is pressed NOTE An Activity Indicator that flashes quickly while holding down any one of the 16 buttons indicates
11. Wawa Extender Dd Screen RS 232 CABLE mumumum HDMI CABLE uwa Professional Control System GTV AUDDEC N ATTENTION This product should always be connected to a grounded electrical socket OPERATING THE 4X1 SWITCHER W AUDIO DECODING Status Screen The Status Screen displays information regarding the current settings of the Switcher The Status Screen is also used in conjunction with navigating the built in Menu System After powering on the Switcher the Standby Screen will be displayed The Standby Screen indicates the currently selected A V input the current volume setting the audio input format and the audio processing mode AN Input Displays the currently selected Audio and Video inputs Input Format Displays the audio input format Audio Gain Displays the audio gain volume 1 IEEE Made OK Exit Power Audio Displays the current audio processing mode Standby Mode and Powering the Switcher Once the power supply is connected and the AC power cord is connected to an available electrical outlet the Power Indicator will glow bright red When the Power Indicator is red the Switcher is Standby Mode To power on the Switcher press the Power button on the front panel or use the Power button on the IR Remote Control The power indicator next to the Power button will glow bright green S
12. a low battery Replace the IR Remote Control battery as soon as possible IR REMOTE INSTALLATION Installing the Battery 1 Remove the battery cover on the back of the IR Remote Control Unit 2 Insertthe included battery into the open battery slot The positive side of the battery should be facing up 3 Replace the battery cover The Remote Control unit ships with two batteries One battery is required for operation and the other battery is a spare Battery Slot shown with battery WARNING Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the instructions 10 IR REMOTE CONFIGURATION How to Resolve IR Code Conflicts In the event that IR commands from other remote controls interfere with the supplied IR Remote Control unit changing the IR Remote Control s IR channel will fix the problem The IR Remote Control unit has a bank of DIP switches used for setting the IR channel The DIP switch bank is located underneath the battery cover Left Picture of the opened rear battery compartment of the IR remote showing the exposed DIP Switch bank between the battery chambers Corresponding DIP Switch Settings for each IR Channel IR Channel 0 default IR Channel 1 IR Channel 2 IR Channel 3 It is important that the IR channel on the Remote Control unit matches the IR channel set on the 4x1 HD Switcher w Audio Decoding For example if bot
13. frequency channels 25 MENU SYSTEM Using the front panel buttons Example 1 Assigning the optical TOSLINK input with the Multichannel Stereo audio processing mode 1 From Standby Screen press the Menu button Use the Volume Volume Y buttons to navigate to the Audio Setup menu MATH AUDIO SETUP 2 Press the Mode OK button The front panel display will display the coaxial option AUDIO SETUP COASTAL FAY PROC 3 Use the Volume Y button to navigate to the optical option AUDIO SETUP FAY FRIC 4 Press the Mute P or Input lt button to access the current setting for the optical TOSLINK input In the illustration below the optical input is set to use the Direct audio processing mode by default FAY PROC OFTIL DIRECT 2 5 Press the Mute gt or Input 4 button to change the current favorite setting In the illustration below we have set the optical input to use the Multichannel Stereo audio processing mode FAY FTIL STER 26 MENU SYSTEM Example 2 Assigning the analog L R inputs with the Dolby Pro Logic Il audio processing mode 1 Starting from Step 5 above use the Volume Y button to navigate to the analog L R option AUDIO SETUP AUD FAY PROC 2 Press the Mute gt or Input 4 button to access the current setting for the analog L R input In the illustration below the ana
14. level has been set press the INFO TEST TONE button on the IR Remote Control to enable the test tone 5 Use the A or V buttons to cycle through the Center Front Right Surround Right Surround Left and Subwoofer and adjust the output gain of each Speaker as necessary NOTE The test tone will automatically be disabled when advancing to the next speaker channel Press the INFO TEST TONE button on the IR Remote Control to enable the test tone 6 Press the EXIT button to save the changes and return to the Speaker Level menu MATH SPEAKER LEVEL 20 MENU SYSTEM Setting the Speaker Distance Changing the speaker distance is necessary for providing the proper audio delay when using the various audio processing modes The distance for each speaker can be 1 5 foot 0 5 meter increments within a range of 0 feet 33 feet 10 meters Speaker distance can be viewed in feet or meters See page 34 for information on changing the preferred unit of measure on the Switcher Using the front panel buttons 1 From the Standby Screen press the Menu button Use the Volume A or Volume V buttons to navigate to the Speaker Distance menu MATH MEHO SPEAKER DISTANCE 2 Press the Mode OK button The front panel display will show the current distance for the Front Left speaker SPEAKER DISTANCE L Ez GM gt 3 Press the Mute gt or Input 4 button to change the distance of the Fron
15. output gain Audio gain can be reduced to a minimum of 60 dB and to a maximum of 10 dB Each time these buttons are pressed the volume is increased or decreased by 1 dB TIP increase or decrease the audio gain at a faster rate press and hold down either the Volume or Volume Y button until the desired volume is achieved Increase Current Volume Volume e 3 Hi HI 1 Mute gt Volume HOHE Decrease Volume Muting the Audio Output Use the Mute button on the front panel or on the IR Remote Control to mute the audio output The display will indicate if the audio is muted To disable the mute function press the Mute button again The Volume A and Volume V buttons can also be used to disable muting Mutes Indicates Audio Output Audio is muted X Hi HD MUTE i8DE DIRECT Mee Mode SU 15 OPERATING THE 4X1 SWITCHER W AUDIO DECODING Changing the Audio Processing Mode Successively press the Mode OK button on the front panel to cycle through the different audio processing modes The Mode button on the IR Remote Control can also be used to cycle through the audio modes 9 9 Hi HLI 160E HOME 2 2 Mode OK Displays Press to change current audio audio mode mode See page 25 for a description of each of the available audio processing modes Main Menu To access the Menu System press the Menu button on
16. the front panel The front panel display will change Press to display Menu system MATH SPEAKER SIZE Current Press to Press to Sub menu access return to sub menu Main Menu Press the Volume A or Volume V button to cycle through the different sub menus Press the Mode OK button to access the currently displayed sub menu Press the Exit button to return to the Main Menu 16 MENU SYSTEM Using the Menu System The 4x1 HD Switcher w Audio Decoding comes with a built in menu system which provides control over additional audio features The following examples demonstrate some of the more common features of the Switcher Setting the Speaker Size Adjusting the speaker size determines how each speaker handles low frequency bands All speakers except the front left and right channels have an option to disable the use of that channel If the center read surround or subwoofer channels are not going to be used there speakers should be set to the OFF setting Source audio that uses these channels will be properly mixed to the other available speakers A full summary of the Menu System can be found starting on page 69 Using the front panel buttons 1 Press the Menu button The front panel display will change to display the Speaker Size menu MATH SPEAKER SIZE 2 Press the Mode OK button The front panel display will show the Front Left Front R speaker size SPEAKER SIZE FROHT L REEZLBAR
17. GE 3 Press the Mute gt or Input lt button to change the speaker size SPEAKER SIZE FROHT L RESMALL 2 4 Usethe Volume A or Volume V buttons to change the size of the Center Surround Left Surround Right and Subwoofer speakers 5 Press the Exit button to save the changes and return to the Speaker Size menu MATH MEHO SPEAKER SIZE 17 MENU SYSTEM Using the IR Remote Control Press the MENU button The front panel display will change to display the Speaker Size menu MATH SPEAKER SIZE Press the ENTER button The front panel display will show the Front Left Front R speaker size SPEAKER SIZE FROHT L REEZLARGE Press the 4 or gt buttons to change the speaker size SPEAKER SIZE Use the or Y buttons to change the size of the Center Surround Left Surround Right and Subwoofer speakers Press the EXIT button to save the changes and return to the Speaker Size menu MATH MEHO SPEAKER SIZE 18 MENU SYSTEM Setting the Speaker Level Modifying the Speaker Level increases or decreases the audio output gain of a specific speaker This feature is useful for equalizing the sound at the listening position By default each speaker s output is set to 0 dB The output can be adjusted by 1 dB increments between 10 dB and 10 dB Using the front panel buttons 1 From the Standby Screen press the Menu button Use the Volume A or
18. Port 0 3 Value Meaning 0 HDMI 1 S PDIF 2 TOSLink 3 Analog Returns HDMI paraml Meaning x0 HDMI audio x1 Coax S PDIF audio x2 Optical TOSLINK audio x3 Analog L R audio The value x represents the current HDMI input selection For example if the Switcher is using HDMI Input 2 with the optical TOSLINK audio input the return value would be HDMI 22 Notes HDMI is the return prefix for the AUDIO command See the HDMI command on page 54 for further reference Use for param1 to retrieve the current value 44 RS 232 SERIAL COMMANDS BASS Command The BASS command sets the bass level Syntax BASS paraml Parameters param1 Level 12 12 Returns BASS value Value Meaning 12 12 Bass level Notes The or character can also be used instead of specifying a value in order to increase or decrease the bass level by 1 dB Use for param1 to retrieve the current value Example bass increases the bass level by 1 dB bass decreases the bass level by 1 dB bass 5 sets the bass level to 5 dB 45 RS 232 SERIAL COMMANDS CT Command The CT command sets the state of the Center speaker Syntax CT paraml Parameters param1 State 0 2 Meaning 0 Small Center speaker 1 Large Center speaker 2 OFF Returns CT paraml param1 Meaning 00 Small Center speaker 01
19. Volume V buttons to navigate to the Speaker Level menu MATH MEHO SPEAKER LEVEL 2 Press the Mode OK button The front panel display will show the Front Left speaker level SPEAKER LEVEL FROHT L 3 Press the Mute gt or Input lt button to change the output gain of the Front Left speaker SPEAKER LEVEL FROHT L czt B2nDEB5 4 Usethe Volume A or Volume V buttons to cycle through the Center Front Right Surround Right Surround Left and Subwoofer and adjust the output gain of each speaker as necessary 5 Press the Exit button to save the changes and return to the Speaker Level menu MATH SPEAKER LEVEL 19 MENU SYSTEM Using the IR Remote Control When using the IR Remote Control the INFO TEST TONE button can be used to produce a White Noise test tone in order to adjust the output level The test tone can also be enabled disabled via RS 232 see page 65 1 Press the MENU button The front panel display will change to display the Speaker Level menu MATH SPEAKER LEVEL 2 Press the ENTER button The front panel display will show the Front Left speaker level SPEAKER LEVEL FROHT L 3 Press the INFO TEST TONE button on the IR Remote Control to enable the White Noise test tone 4 Press the 4 or gt buttons to adjust the output gain of the Front Left speaker SPEAKER LEVEL FROHT L zt Bm2nE Once the desired output
20. and The TREB command sets the treble level Syntax TREB paraml Parameters param1 Range 12 12 Returns TREB value Value Meaning 12 12 Treble setting Notes The or character can also be used instead of specifying a value in order to increase or decrease the treble level by 1 dB intervals Use for param1 to retrieve the current value 66 RS 232 SERIAL COMMANDS TVTYPE Command The TVTYPE command sets the video broadcast format Syntax TVTYPE paraml Parameters param1 Format 0 1 Format Meaning 0 NTSC format 1 PAL format Returns TVTYPE value Value Meaning 00 NTSC format 01 PAL format Notes Use for param1 to retrieve the current value 67 RS 232 SERIAL COMMANDS VOL Command The VOL command sets the overall output volume level Syntax VOL paraml Parameters param1 Range 60 12 Returns VOL value Value Meaning 60 12 Volume level Notes The or character can also be used instead of specifying a value in order to increase or decrease the volume level by 1 dB intervals Use for param7 to retrieve the current value 68 MENU SYSTEM SUMMARY Main Menu BiDE DIRECT Mode OK MATH SPEAKER LEVEL MATH SPEAKER DISTAHCE 4 KA Exit On v AUDIO SETIF Exit
21. de The external downstream EDID is used In this mode both DDC and HPD are passed through and the Switcher uses the full video capabilities of the display The HPD status will also be detected by the source device Mode The display capabilities from the external EDID are combined with the audio capabilities of the internal EDID of the Switcher Using the front panel buttons 1 Tosetthe EDID mode press the Menu button from the Standby screen 2 Usethe Volume A or Volume V buttons to navigate to the Misc Setup menu MATH MISC SETUF 3 Press the Mode OK button 4 Use the Volume A or Volume V buttons to select the EDID adjustment menu In the illustration below the internal INT EDID is being used MISC SETUP EDID ADI IHT gt 5 To change the EDID mode press the Mute gt or Input 4 buttons to the de sired EDID mode below the mixed mode EDID has been selected 6 Press the Exit button to save the changes and return to the Misc Setup menu 36 MENU SYSTEM Using the IR Remote Control To set the EDID mode press the MENU button from the Standby screen Use the or Y buttons to navigate to the Misc Setup menu MATH MISC SETLIF Press the ENTER button Use the or Y button to select the EDID adjustment menu In the illustration below the internal INT EDID is being used MISC SETUF EDID ADI IHT 2 To change the EDID mode press the 4 o
22. ded 24 V DC power supply to this power receptacle Only use the power supply that is included with this product 10 HDMIIn 1 4 Use these ports to connect and switch between four HDMI devices 11 HDMI Out Connect an HDMI output device to this port 12 Use a coax audio cable to connect an external digital audio source to this S PDIF connector IR REMOTE DESCRIPTION GTV AUD NIR IR Remote Control Unit 17 1 power gt 6 15 2 6 14 z Hi 8 2 5 gt Ennance 3 P 42 c OPTICAL 7 p 9 T Mute This button cycle between mute on and mute off modes When mute is applied there will not be any audio output Mode This button functions the same as the Mode button on the front panel Enter Confirms the current selection setting lt Cursor Left This button will navigate left when using the Menu System Exit This button functions the same as the Exit button on the front panel Y Cursor Down Decrease Volume This button will navigate down through options when using the Menu System and will increase the volume when not in the Menu System L R Press this button to select the analog L R audio input source The current video source will not change 8 10 11 12 13 14 15 16 17 IR REMOTE DESCRIPTION Coax Press this button to select the S PDIF audio input source The current video source will not change
23. dio Decoding is ideal for anyone wanting to create Home Cinema systems using multiple HDMI audio video sources It offers an easy to use alternative to over complicated Home Theater Receivers while supporting 3DTV andthe latest Blu ray audio features or it can add HDMI connections and audio decoding to existing A V Receivers that lack HDMI support It decodes multi channel surround sound formatted digital audio from up to four HDMI sources from coax and optical S PDIF digital audio sources plus a stereo analog input Audio is output on six discrete analog RCA jacks ready for any 5 1 channel power amplifier or connects to the External Processor input on most existing A V receivers Dolby Digital 5 1 Dolby Pro Logic II LPCM direct stereo and multi channel surround sound audio formats are supported with up to six 5 1 discrete channels The front left and front right channels feature dual outputs for bi amplification Advanced audio pre processing insures an optimal surround sound signal and a bright LCD display guides operations RS 232 control allows connection to remote control or home automation systems such as Gefen s new GAVA automation system and Gefen PACS with full feedback How Works Users can select audio from any one of four connected Hi Def sources both digital audio inputs and 2 channel analog audio A Blu ray player gaming console set top box DVD player CD player and more can all be connected at the same time I
24. e for param1 to retrieve the current value 49 RS 232 SERIAL COMMANDS DSB Command The DSB command sets the distance for the Subwoofer Syntax DSB paraml Parameters param1 Distance 0 20 Returns DSB paraml Notes Distance is measured in feet Use for param1 to retrieve the current value DSL Command The DSL command sets the distance for the Surround Left speaker Syntax DSL paraml Parameters param1 Distance 0 20 Returns DSL paraml Notes Distance is measured in feet Use for param1 to retrieve the current value 50 RS 232 SERIAL COMMANDS DSR Command The DSR command sets the distance for the Surround Right speaker Syntax DSR paraml Parameters param1 Distance 0 20 Returns DSR paraml Notes Distance is measured in feet Use for param1 to retrieve the current value EDID Command The EDID command sets the EDID mode Syntax EDID paraml Parameters param1 Mode 0 2 Value Meaning 0 EDID Mix 1 Internal EDID 2 External EDID Returns EDID paraml 51 RS 232 SERIAL COMMANDS Returns EDID paraml param1 Meaning EDID 00 Mix Mode EDID 01 Internal EDID Mode EDID 02 External EDID Mode Notes Internal EDID will use the built in EDID of the Switcher External EDID uses the downstream EDID of the display The EDID Mix Mode will use the full video capabiliti
25. es of the display and combine the full audio capabilities of the Internal EDID of the Switcher The Switcher will power cycle after the command has been issued Use for param1 to retrieve the current value ENH Command The ENH command sets the audio enhancement mode Syntax ENH paraml Parameters param1 Mode 0 20 Value Meaning 0 Night Mode 1 Voice Mode 2 Volume Mode 3 Audio Enhance OFF 52 RS 232 SERIAL COMMANDS Returns Value Value Meaning ENH 00 Night Mode ENH 01 Voice Mode ENH 02 Volume Mode ENH 03 ENH Mode OFF Notes Use for param1 to retrieve the current value FLR Command The FLR command sets the size for the Front Left Front Right speakers Syntax FLR paraml Parameters param1 Size 0 1 Value Meaning 0 Small Front Speakers 1 Large Front Speakers Returns FLR Value Value Meaning 00 Small Front Speakers 01 Large Front Speakers Notes Use for param1 to retrieve the current value 53 RS 232 SERIAL COMMANDS HDMI Command The HDMI command sets the active HDMI input The HDMI command does not have any effect on the audio input See page 44 for information on changing the audio source Syntax HDMI paraml Parameters param1 Input 1 4 Input Meaning 1 HDMI Input 1 2 HDMI Input 2 3 HDMI Input 3 4 HDMI Input 4 Ret
26. f an HDMI source is selected video is delivered in Hi Def format to any HDTV display and audio is delivered as 5 1 channel audio using standard RCA connectors The HDMI output supports pass through 3DTV making it ideal for future proofing systems Users can also pass through audio using the digital and or analog audio inputs delivering it as up to 5 1 channel audio enabling high quality surround sound When an audio input is selected the video from the previously selected video source is still output to the HDMI output allowing users to watch a video source while listening to a different audio source Users control all audio features using the IR remote or by front panel buttons An RS 232 port and 12V triggers allow interaction with any home automation system for added convenience OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 4X1 HD SWITCHER W AUDIO DECODING The Digital Audio Decoder for HDMI has 8 RCA outputs A maximum of 6 discrete channels of audio can be output via these connectors 2 connectors are available for bi amping the front left and right channels This product was intended for use with a separate audio amplifier The RCA output connectors on the rear panel will require the use of an audio amplifier to produce adequate volume output This unit will support the following audio formats LPCM up to 6 channels Dolby Digital AC 3 up to 6 channels Dolby Pro Logic Dolby Pro Logic 11 This uni
27. h DIP switches on the IR Remote Control unit are set to IR channel 0 both DIP switches down then the 4x1 HD Switcher w Audio Decoding must also be set to IR channel 0 See page 38 on how to change the IR channel on the 4x1 HD Switcher w Audio Decoding 11 CONNECTING THE 4X1 HD SWITCHER W AUDIO DECODING How to Connect the 4x1 HD Switcher w Audio Decoding 1 Connect up to four HDMI source devices to the HDMI input ports of the 4x1 HD Switcher w Audio Decoding using the included HDMI cables 2 Optionally connect additional audio sources to the Switcher using Optical Coaxial and L R RCA cables 3 Connectthe Digital Audio Decoder to an amplifier using the RCA connectors on the rear panel The following RCA connectors are available Front Left Front Left for bi amping Front Right Front Right for bi amping Center Left Surround Right Surround Subwoofer 4 Connect an HDMI output device to the HDMI output using an HDMI cable 5 Connect the included 24 V DC power supply to the power receptacle on the Switcher Connect the AC power cord to an available electrical outlet Wiring Diagram for the 4x1 HD Switcher w Audio Decoding Game Consol Cable Box GTV AUDDEC N Blu ray Playe fie ge m 12 Source for trigger in Digital Audio CD Player L R STEREO AUDIO CABLE EEE TOSLINK AUDIO CABLE EI S PDIF AUDIO CABLE SPEAKER CABLE EE TRIGGER CABLE
28. he optical TOSLINK input On the other hand you may want to set the Dolby Pro Logic II PLII audio processing mode when using the analog L R inputs in order to create discrete multichannel audio when using a surround system These two examples will be illustrated Available Modes Mode Description Audio playback without any processing default setting DIRECT The input signal is the same as the output signal Multichannel audio is down mixed to two channel audio STEREO and routed to the Front Left Front Right speakers Mixes the SL and FL channels to the Front Left Speaker Mixes the SR and FR channels to the Front Right Speaker If the Center channel is present then the Front Left Front Right and Center channel will be used to produce a stereo image If the Center channel is not present then only the Front Left and Front Right speakers will produce the stereo image STER If the Center channel speaker is present or enabled the audio is played only through the Center channel the Front Left and Front Right speakers will be muted If the Center channel speaker is not present disabled Front and Front Right signals will be combined and played out of the Front Left and Front Right speaker Transforms two channel stereo into high quality PL LI 5 1 channel surround sound NOTE PLII Dolby Pro Logic Mode processes the stereo signal source into five separate full
29. hen the Mute On mode is enabled all audio output will be ceased While in the Menu System this button will cycle through available options in the right direction when a feature has been selected for adjustment BACK PANEL LAYOUT Back Panel BACK PANEL DESCRIPTIONS 1 Line Out Front Bi Amp Two RCA audio output connectors available for front channel bi amping purposes The output signal is identical to the Front L R outputs 2 Line Out Surround Sub Front 8 audio outputs are available for connection to a separate amplifier Up to 6 discrete channels can be utilized 3 Lineln L R RCA type audio inputs for analog audio 4 Optical In Use an optical cable to connect an external digital audio source to this TOSLINK connector 5 RS 232 This port is used to control functions and features using serial communications For more information on this feature please see page 42 6 ExtIR Connect an IR extender Gefen Part No EXT RMT EXTIR to this port to extend the IR range if this product 7 Trigger Out Provides 11 5 V DC when the Switch is powered ON This trigger can be used to control an external power amplifier lights curtains etc 8 Trigger In Used to externally power the unit ON or OFF This trigger will power ON the Switcher when a 3 V 12 V DC voltage is applied If the existing voltage is removed then the Switcher is placed in Standby Mode consumes less than 1 W 9 24VDC Connect the inclu
30. inputs to use the Dolby Pro Logic audio processing mode Starting from Step 5 on the previous page use the Y button to navigate to the analog L R option AUDIO SETUP AUD FAY PROC Press the gt or lt button to access the current setting for the analog L R input In the illustration below the analog L R input is set to use the Stereo audio processing mode AUD LR FAY PROC AUD LES STEREO 2 Press the gt or lt button to change the current favorite setting from Stereo to PLII Dolby Pro Logic 11 AUD LR FAY PROC AUD LES PFPLII 2 Press the EXIT button to save all changes and return to the Audio Setup menu MATH MEHO AUDIO SETUP 29 MENU SYSTEM Dynamic Range Compression Dynamic Range Compression DRC applies compression to the output signal preventing the signal from becoming too loud This function only affects Dolby audio and not PCM The default setting for Dynamic Range Compression is OFF Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use Volume A or Volume Y buttons to navigate to the Audio Setup menu MATH AUDIO SETUP 3 Press the Mode OK button 4 Use Volume A or Volume V buttons to select the DRC option AUDIO SETUP TRC 5 OFF 3 5 Press the lt or gt button to change to enable DRC SETUP H 6 Press the Exit button to save the changes and return to the Audio Setup menu
31. log L R input is set to use the Stereo audio processing mode AUD LF FAY PROC AUD LEC STEREO 2 3 Press the Mute gt or Input 4 button to change the current favorite setting from Stereo to PLII Dolby Pro Logic 11 AUD LE FAY PROC AUD LES PFPLII 2 4 Press the Exit button to save all changes and return to the Audio Setup menu MATH MEHO AUDIO SETUP 27 MENU SYSTEM Using the IR Remote Control Example 1 Assigning the optical TOSLINK input to use the Multichannel Stereo audio processing mode 1 From Standby Screen press the MENU button Use the or Y button to navigate to the Audio Setup menu MATH AUDIO SETIF 2 Press the ENTER button The front panel display will display the coaxial option AUDIO SETUP COASTAL FAY PROC 3 Use the Y button to navigate to the optical option AUDIO SETUP FAY PROC 4 Press the gt or 4 button to access the current setting for the optical TOSLINK input In the illustration below the optical input is set to use the Direct audio processing mode by default FAY PRIC QOPTIL X DIRECT 2 5 Press gt lt button to change current favorite setting In the illustration below we have set the optical input to use the Multichannel Stereo audio processing mode FAY 1 STER 28 MENU SYSTEM Example 2 Assigning the analog L R
32. lustration below the current unit of measure is set to meters MISC 5 2 3 change the unit of measure to feet press the Mute gt or Input 4 button to change the unit of measure to feet MISC DIST LUHIT FEET 4 Press the Exit button to save the changes and return to the Misc Setup menu MATH MENU MISC SETUP 34 MENU SYSTEM Using the IR Remote Control 1 From the Standby Screen press the MENU button Use the or Y buttons to navigate to the Misc Setup menu MATH MISC SETUF 2 Press the ENTER button The front panel display will show the current distance for the Front Left speaker In the illustration below the current unit of measure is set to meters MISC DIST LHITZMETER 3 To change the unit of measure to feet press the 4 or gt button to change the unit of measure to feet MISC DIST LUHIT FEET 4 Press the EXIT button to save the changes and return to the Misc Setup menu SETUF 35 MENU SYSTEM Setting the EDID Mode The 4x1 Switcher w Audio Decoding has three EDID modes INT EXT and MIX INT Mode The internal local EDID is used instead of the EDID from the display device EDID features newer than HDMI 1 3 are removed from the EDID data structure when the display is read This provides a general EDID which is compatible with more displays EXT Mo
33. n Notes Use for param1 to retrieve the current value 63 RS 232 SERIAL COMMANDS SUBV Command The SUBV command sets the volume level of the Subwoofer Syntax PWR paraml Parameters aram1 Range 12 12 b g Returns SUBV value Value Meaning 12 12 Subwoofer volume Notes The or character can also be used instead of specifying a value in order to increase or decrease the subwoofer level by 1 dB intervals Use for param1 to retrieve the current value 64 RS 232 SERIAL COMMANDS TEST Command The TEST command plays a test tone to specified speaker zone Syntax TEST paraml Parameters param1 Zone 0 6 Zone Meaning Test tone to Front Left Test tone to Center Test tone to Front Right Test tone to Surround Right Test tone to Surround Left Test tone to Subwoofer O O Turn off current test tone Returns TEST value Value Meaning 00 Test tone to Front Left 01 Test tone to Center 02 Test tone to Front Right 03 Test tone to Surround Right 04 Test tone to Surround Left 05 Test tone to Subwoofer 06 Turn off current test tone Notes The command fest 6 must be invoked to halt the current test tone The test tone can only be sent to one zone at a time multiple zones cannot play test tones 65 RS 232 SERIAL COMMANDS TREB Comm
34. olume V buttons to select the Enhancement option AUDIO SETUP EHHA OFF 27 32 MENU SYSTEM Press the 4 or gt button to change to change the audio enhancement mode In the illustration below the audio enhancement mode has been set to Night mode AUDIO SETUP EHHA 2 Press the Exit button to save the changes and return to the Audio Setup menu MATH PEHLI AUDIO SETUP Using the IR Remote Control From the Standby screen press the MENU button Use the A or Y buttons to navigate to the Audio Setup menu AUDIO SETUP Press the ENTER button Use the A or Y buttons to select the Enhancement option AUDIO SETUP EHHA OFF 2 Press the 4 or gt button to change to change the audio enhancement mode In the illustration below the audio enhancement mode has been set to Night mode AUDIO SETUP EHHA 2 Press the button to save changes and return to the Audio Setup menu MATH PEHLI AUDIO SETUP 33 MENU SYSTEM Setting the Unit of Measure When adjusting the speaker distance either feet or meters can be specified Using the front panel buttons 1 From the Standby Screen press the Menu button Use the Volume Volume Y buttons to navigate to the Misc Setup menu MATH MEHU MISC SETUP 2 Press the Mode OK button The front panel display will show the current distance for the Front Left speaker In the il
35. r gt button to the desired EDID mode below the mixed mode EDID has been selected Press the EXIT button to save the changes and return to the Misc Setup menu 37 MENU SYSTEM Setting the IR Channel When controlling the 4x1 Switcher w Audio Decoding using the IR Remote Control Unit the IR channel on the Switcher must be the same as the IR channel set on the IR Remote Control Unit See page 11 on changing the IR channel on the IR Remote Control Unit Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use Volume A or Volume Y buttons to navigate to the Misc Setup menu SETUP 3 Press the Mode OK button 4 Use Volume A or Volume V buttons to select the IR channel menu In the illustration below the IR channel is set to 1 MISC SETUP IR CHAHHEL 1 3 5 Press the Mute gt or Input 4 buttons to change to the required IR channel MISC SETUF IR CHAHHEL gt 6 Press the Exit button to save the changes and return to the Misc Setup menu SETUF 38 MENU SYSTEM Using the IR Remote Control 1 From the Standby screen press the MENU button 2 Usethe A or Y button to navigate to the Misc Setup menu MATH MEHO MISC SETLIF 3 Press Mode button 4 Usethe A or V button to select the IR channel menu In the illustration below the IR channel for the Switcher i
36. s set to 1 MISC SETUP IR CHAHHEL 5 1 5 Press the 4 or gt button to change to the required IR channel MISC SETUP IR CHAHHEL gt 6 Press the Exit button to save the changes and return to the Misc Setup menu 39 MENU SYSTEM Resetting the Switcher to Factory Settings If the Switcher needs to be reset for any reason or if you need to set the unit to factory default settings follow the instructions below Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use Volume A or Volume V buttons to navigate to the Misc Setup menu 3 Press the Mode button 4 Use the Volume or Volume Y buttons to select the Factory Defaults option MISC SETUF FACTORY DEFAULT 5 Press the Mode OK button The Switcher will prompt you to confirm the selection TO DEFAULT CAHCEL Press the Mode button to reset the Switcher to factory default settings If the Switcher is reset the Switcher will power OFF and then automatically power ON after a few moments Press the Menu button to cancel the reset process and return to the Standby screen 40 MENU SYSTEM Using the IR Remote Control From the Standby screen press the MENU button Use the or Y buttons to navigate to the Misc Setup menu MATH MISC SETUF Press the ENTER button Use
37. se gt 90 dB 20Hz 20kHz A weight filter TPIDTN E 0 196 at 1 kHz at reference level Frequency Response lt 0 5 dB 20 Hz 20 kHz PewerSupply uu E Su uu u 24V DC Dimensions 6 9 W x 2 1 H x 6 9 D SHIPPING WeIGN 6 Ibs 81 WARRANTY Gefen warrants the equipment it manufactures to be free from defects in material and workmanship If equipment fails because of such defects and Gefen is notified within two 2 years from the date of shipment Gefen will at its option repair or replace the equipment provided that the equipment has not been subjected to mechanical electrical or other abuse or modifications Equipment that fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair Such repairs are warranted for ninety 90 days from the day of reshipment to the Buyer This warranty is in lieu of all other warranties expressed or implied including without limitation any implied warranty or merchantability or fitness for any particular purpose all of which are expressly disclaimed 1 Proof of sale may be required in order to claim warranty 2 Customers outside the US are responsible for shipping charges to and from Gefen 3 Copper cables are limited to a 30 day warranty and cables m
38. t Left speaker SPEAKER DISTANCE L caga aM gt 4 Usethe Volume A or Volume Y buttons to cycle through the Center Front Right Surround Right Surround Left and Subwoofer and adjust the speaker distance as necessary 5 Press the Exit button to save the changes and return to the Speaker Level menu MATH SPEAKER DISTANCE 21 MENU SYSTEM Using the IR Remote Control From the Standby Screen press the MENU button Use the or Y buttons to navigate to the Speaker Distance menu MATH MEHO SPEAKER DTSTAMCE Press the ENTER button The front panel display will show the current dis tance for the Front Left speaker SPEAKER DISTANCE L Az GM gt Press the 4 or gt buttons to change the distance of the Front Left speaker SPEAKER DISTANCE FROHT L ced Sh 2 Use the A or Y buttons to cycle through the Center Front Right Surround Right Surround Left and Subwoofer and adjust the speaker distance as necessary Press the EXIT button to save the changes and return to the Speaker Level menu MATH MEHO SPEAKER DISTANCE 22 MENU SYSTEM Adjusting the Tone Control The Tone Control menu allows the adjustment of the treble and bass on the output signal Treble and bass can be increased or decreased in 1 dB intervals within a range of 12 dB to 12 dB Using the front panel buttons 1 From the Standby Screen press the Menu button Use the Volume
39. t features multiple EDID display information modes which will determine what audio formats can be used For more information please see page 36 This unit will accept sources that use Deep Color FEATURES Features Supports resolutions up to 1080p and 1920 x 1200 Switch between four HDMI sources and a single HDTV display Supports Dolby Digital 5 1 AC3 Dolby Pro Logic Il LPCM HDMI direct to 6 channels Extracts encoded digital audio from HDMI TOSLINK or S PDIF inputs Front Panel push button controls RS 232 control R Remote control e 12V trigger input for power amplifiers turns unit on when 12V is received 12V 50 mA trigger output output is 12V when unit is OV when unit is off Save and recall user settings for each input Line level volume control Standby Mode Enclosure provides excellent heat dissipation and quiet operation Package Includes 1 4x1 HD Switcher w Audio Decoding 1 6 ft HDMI cable M M 1 IR remote control 1 24V DC power supply 1 AC power cord 1 User manual FRONT PANEL LAYOUT Front Panel oipny GH LXt 1393410 JHH SITEIT 1120901 wuna ewnjoA p anduj v OL LL ausjet FRONT PANEL DESCRIPTIONS 1 IR This IR receiver will accept commands from the included IR Remote Control Unit
40. tandby Mode Red LED Switcher Active Green LED 160E DIRECT Exit Power 13 THE 4 1 SWITCHER W AUDIO DECODING Selecting the Input Source Press the Input lt button to cycle through each input source The table below lists which inputs are active for each selection Input Displays the currently selected A V input 2 Hi HD 1 gt b Mute gt Volume H Menu Power __ Mode OK Exit This Switcher has four HDMI inputs 1 4 and three options for audio coax optical and analog stereo The following table lists the available video and audio inputs Optical H3_OT Optical H3 Analog L R HDMIIn2 HDMI prano CETERIS MM Analog L R Coax The currently displayed A V input is abbreviated in the Status Screen using the following form HDMI Input_Audio Source where H1 H2 H3 and H4 is an HDMI input on the back panel of the Switcher And CX Coax S PDIF and OT Optical TOSLink are audio inputs on the back panel of the Switcher The HD suffix means that the embedded HDMI audio is being used Coax Optical Analog L R 14 OPERATING THE 4 1 SWITCHER W AUDIO DECODING Adjusting the Volume Use the Volume and Volume Y buttons to increase or decrease the audio output gain The or Y buttons on the IR Remote Control can also be used to control the audio
41. the A or V buttons to select the Factory Defaults option MISC SETUP FACTOR DEFAULT Press the ENTER button The Switcher will prompt you to confirm the selection DEFAULT CAMEL Press the ENTER button to reset the Switcher to factory default settings If the Switcher is reset the Switcher will power OFF and then automatically power ON after a few moments Press the MENU button to cancel the reset process and return to the Standby screen 41 RS 232 SERIAL CONTROL 9876 6789 Only Pins 2 RX 3 TX and 5 Ground are used on the RS 232 serial interface RS232 Settings Bits per second Data bits Stop bits Flow TERRE IMPORTANT When sending RS 232 commands a carriage return must be included at the end of the command A space must be included between the command and the parameter NOTE The return value will be displayed when using a terminal based application indicating the current value after executing the command 42 RS 232 SERIAL COMMANDS Commands command Deseo SLR Sets the size of the Surround Left and Surround Right speakers 43 RS 232 SERIAL COMMANDS AUDIO Command The AUDIO command assigns the external audio input The AUDIO command does not have any effect on the video input See page 54 for information on changing the video source Syntax AUDIO paraml Parameters param1
42. ue Meaning PWR 00 Power save mode ON PWR 01 Power save mode OFF PWR 00 Power toggled OFF PWR 01 Power toggled ON Notes Setting param1 to 2 will automatically toggle the current power state Use for param7 to retrieve the current value 60 RS 232 SERIAL COMMANDS SLR Command The SLR command sets the size of the Surround Left Surround Right speakers Syntax SLR paraml Parameters param1 Size 0 2 Size Meaning 0 Small Surround speakers 1 Large Surround speakers 2 Disable Surround speakers Returns SLR value Value Meaning 00 Small Surround speakers 01 Large Surround speakers 02 Disable Surround speakers Notes Use for param1 to retrieve the current value 61 RS 232 SERIAL COMMANDS STAT Command The STAT command enables or disables auto status feedback Syntax STAT paraml Parameters param1 Mode 0 1 Mode Meaning 0 Auto Status Off 1 Auto Status On Returns STAT value Value Meaning 00 Auto Status Off 01 Auto Status On Notes Use for param1 to retrieve the current value 62 RS 232 SERIAL COMMANDS SUB Command The SUB command enables or disables the subwoofer Syntax SUB paraml Parameters param1 Mode 0 1 Mode Meaning 0 Subwoofer Off 1 Subwoofer On Returns SUB value Value Meaning 00 Auto Status Off 01 Auto Status O
43. urns HDMI paraml param1 Meaning 10 Set to HDMI Input 1 20 Set to HDMI Input 2 30 Set to HDMI Input 3 40 Set to HDMI Input 4 Notes When executing the HDMI command the audio will default to HDMI embedded audio Use the AUDIO command see page 44 to change the audio input Use for param7 to retrieve the current value 54 RS 232 SERIAL COMMANDS HELP Command The HELP command lists the RS 232 command set Syntax HELP Parameters None Notes The character must be specified as a parameter INFO Command The INFO command returns hardware and firmware version Syntax INFO Parameters None Notes The character must follow the command 55 RS 232 SERIAL COMMANDS INTYPE Command The INTYPE command returns the audio input format Syntax INTYPE Parameters None Returns Value 0 4 Value Meaning 00 None 01 PCM2 1 02 5 1 03 Dolby Digital 2 1 04 Dolby Digital 5 1 Notes The character must follow the command 56 RS 232 SERIAL COMMANDS IR Command The IR command sets the IR channel for the Switcher Syntax IR paraml Parameters param1 Channel 0 3 Input Meaning 1 IR Channel 1 2 IR Channel 2 3 IR Channel 3 4 IR Channel 4 Returns IR Value Value Meaning 01 IR Channel 1 02 IR Channel 2 03 IR Channel 3 04 IR Channel 4
44. ust be in their original condition The information in this manual has been carefully checked and is believed to be accurate However Gefen assumes no responsibility for any inaccuracies that may be contained in this manual In no event will Gefen be liable for direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages The technical information contained herein regarding the features and specifications is subject to change without notice For the latest warranty coverage information refer to the Warranty and Return Policy under the Support section of the Gefen Web site at www gefen com PRODUCT REGISTRATION Please register your product online by visiting the Register Product page under the Support section of the Gefen Web site 82 Rev A3 MA GTV AUDDEC Nx 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefentv com support gefentv com O amp E This product uses UL listed power supplies
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