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RS-232 SERIAL COMMANDS

VOL Command

The VOL command sets the overall output volume level.

Syntax

y

:

VOL param1

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 

param1

to retrieve the current value.

Summary of Contents for GTV-HT-AUDPROCN

Page 1: ...4x1 AV Processor with Amp GTV HT AUDPROCN User Manual gefentv com...

Page 2: ......

Page 3: ...changes in the hardware packaging and any accompanying documentation without prior written notice 4x1 AV Processor with Amp is a trademark of Gefen LLC HDMI the HDMI logo and High Definition Multimed...

Page 4: ...CONTENTS...

Page 5: ...quality of the system via bi amplification Users can also select audio independent of video When a digital or analog audio input is selected the previously selected HDMI source continues to output to...

Page 6: ...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...

Page 7: ...nding Post speaker terminals Test tone for speaker system set up LCD status display Front panel buttons for power volume mute source and menu navigation Hand held remote control IR control via front p...

Page 8: ...4 Front Panel INTRODUCTION 1 2 4 7 6 9 10 3 5 8 11...

Page 9: ...is 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 6 Main LCD Disp...

Page 10: ...6 INTRODUCTION Back Panel 1 8 12 2 9 11 19 14 5 13 3 10 20 16 6 15 18 4 7 17 21...

Page 11: ...a plug bare wire and pin style connections 6 SL Used to connect the Surround Left speaker These speaker binding posts will accept spade lug banana plug dual banana plug bare wire and pin style connect...

Page 12: ...rt no EXT RMT IREXT to this port to extend the range of the IR remote control unit 18 HD In 1 4 Use HDMI cables to connect up to four Hi Def sources to these inputs 19 Trigger Out Provides 11 5 V DC w...

Page 13: ...lection setting 4 Cursor Left This button will navigate left when using the Menu System 5 Exit This button functions the same as the Exit button on the front panel 6 Cursor Down Decrease Volume This b...

Page 14: ...button will navigate right when using the Menu System 14 Menu This button will activate the Menu System which is where all adjustment and settings will be made 15 Cursor Up Increase Volume This butto...

Page 15: ...ot 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 sp...

Page 16: ...Switch Settings for each IR Channel It is important that the IR channel on the Remote Control unit matches the IR channel set on the 4x1 AV Processor with Amp For example if both DIP switches on the...

Page 17: ...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 AV Processor with Amp GTV HT AU...

Page 18: ...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 Sw...

Page 19: ...x H1_OT Optical H3_OT Optical H1_LR Analog L R H3_LR Analog L R H2_HD HDMI In 2 HDMI H4_HD HDMI In 4 HDMI H2_CX Coax H4_CX Coax H2_OT Optical H4_OT Optical H2_LR Analog L R H4_LR Analog L R The curren...

Page 20: ...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 bu...

Page 21: ...press the Menu button on the front panel The front panel display will indicate that the menu system is active The current sub menu will be displayed under Main Menu Press the Volume or Volume button...

Page 22: ...t 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...

Page 23: ...e ENTER button The front panel display will show the Front Left Front R speaker size 3 Press the or r buttons to change the speaker size 4 Use the or buttons to change the size of the Center Surround...

Page 24: ...tons 1 From the Standby Screen press the Menu button Use the Volume or Volume buttons to navigate to the Speaker Level menu 2 Press the Mode OK button The front panel display will show the Front Left...

Page 25: ...Control to enable the White Noise test tone 4 Press the or r buttons to adjust the output gain of the Front Left speaker Once the desired output level has been set press the INFO TEST TONE button on t...

Page 26: ...e on the Switcher Using the front panel buttons 1 From the Standby Screen press the Menu button Use the Volume or Volume buttons to navigate to the Speaker Distance menu 2 Press the Mode OK button The...

Page 27: ...front panel display will show the current distance for the Front Left speaker 3 Press the or buttons to change the distance of the Front Left speaker 4 Use the or buttons to cycle through the Center F...

Page 28: ...tons 1 From the Standby Screen press the Menu button Use the Volume or Volume buttons to navigate to the Tone Control menu 2 Press the Mode OK button The front panel display will show the current bass...

Page 29: ...the Tone Control menu 2 Press the ENTER button The front panel display will show the current bass setting 3 Press the or r button to change the bass setting 4 Use the or buttons to navigate to the Tre...

Page 30: ...ted 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 Fron...

Page 31: ...e front panel display will display the coaxial option 3 Use the Volume button to navigate to the optical option 4 Press the Mute or Input button to access the current setting for the optical TOSLINK i...

Page 32: ...L R option 2 Press the Mute or Input 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 3 Pres...

Page 33: ...tton The front panel display will display the coaxial option 3 Use the button to navigate to the optical option 4 Press the or button to access the current setting for the optical TOSLINK input In the...

Page 34: ...te to the analog L R option 2 Press the or 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 3...

Page 35: ...efault setting for Dynamic Range Compression is OFF Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use the Volume or Volume buttons to navigate to the Audio Setup menu...

Page 36: ...ss the MENU button 2 Use the or buttons to navigate to the Audio Setup menu 3 Press the ENTER button 4 Use the or buttons to select the DRC option 5 Press the or button to change to enable DRC 6 Press...

Page 37: ...ll audio signals Detects speech audio patterns and separates them from the background sounds making them more intelligible Real time detection of the source audio gain providing constant volume level...

Page 38: ...u Using the IR Remote Control 1 From the Standby screen press the MENU button 2 Use the or buttons to navigate to the Audio Setup menu 3 Press the ENTER button 4 Use the or buttons to select the Enhan...

Page 39: ...Volume buttons to navigate to the Misc Setup menu 2 Press the Mode OK button The front panel display will show the current distance for the Front Left speaker In the illustration below the current un...

Page 40: ...ess 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 3 To change the unit of me...

Page 41: ...HPD status will also be detected by the source device MIX Mode The display capabilities from the external EDID are combined with the audio capabilities of the internal EDID of the Switcher Using the f...

Page 42: ...Misc Setup menu 3 Press the ENTER button 4 Use the or button to select the EDID adjustment menu In the illustration below the internal INT EDID is being used 5 To change the EDID mode press the or bu...

Page 43: ...R Remote Control Unit Using the front panel buttons 1 From the Standby screen press the Menu button 2 Use the Volume or Volume buttons to navigate to the Misc Setup menu 3 Press the Mode OK button 4 U...

Page 44: ...avigate to the Misc Setup menu 3 Press the Mode OK button 4 Use the or button to select the IR channel menu In the illustration below the IR channel for the Switcher is set to 1 5 Press the or button...

Page 45: ...Volume buttons to navigate to the Misc Setup menu 3 Press the Mode OK button 4 Use the Volume or Volume buttons to select the Factory Defaults option 5 Press the Mode OK button The Switcher will promp...

Page 46: ...buttons to select the Factory Defaults option 5 Press the ENTER button The Switcher will prompt you to confirm the selection Press the ENTER button to reset the Switcher to factory default settings If...

Page 47: ...Flow Control None IMPORTANT When sending RS 232 commands a carriage return must be included at the end of the command A space must be t included between the command and the parameter 5 6 4 7 3 8 2 9...

Page 48: ...und speaker EDID Sets the EDID mode ENH Sets the audio enhancement mode FLR Sets the size of the Front Left Front Right speakers HDMI Set the HDMI input HELP Lists these RS 232 commands INFO Returns h...

Page 49: ...PDIF 2 TOSLink 3 Analog RCA Returns HDMI param1 param1 Meaning x0 HDMI audio x1 Coax S PDIF audio x2 x x Optical TOSLINK audio x3 Analog L R audio The value x represents the current HDMI input select...

Page 50: ...ng 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 p...

Page 51: ...er speaker Syntax y CT param1 Parameters param1 State 0 2 Value Meaning 0 Small Center speaker 1 Large Center speaker 2 OFF Returns CT param1 param1 Meaning 00 Small Center speaker 01 Large Center spe...

Page 52: ...tance 0 20 Returns DC param1 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 y DFL param1...

Page 53: ...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 y DFR param1 Parameters param1 Dist...

Page 54: ...nd enables or disables Dynamic Range Control Syntax y DRC param1 Parameters param1 Value Value Meaning 0 Turn DRC OFF 1 Turn DRC On Returns DRC param1 param1 Meaning DRC 00 DRC is OFF DRC 01 DRC is ON...

Page 55: ...ce 0 20 Returns DSB param1 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 y DSL para...

Page 56: ...SR Command The DSR command sets the distance for the Surround Right speaker Syntax y DSR param1 Parameters param1 Distance 0 20 Returns DSR param1 Notes Distance is measured in feet Use for param1 to...

Page 57: ...e 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 down stream EDID of the display The EDID Mix Mode will use...

Page 58: ...Syntax y ENH param1 Parameters param1 Mode 0 20 Value Meaning 0 Night Mode 1 Voice Mode 2 Volume Mode 3 Audio Enhance OFF Returns ENH Value Value Meaning ENH 00 Night Mode ENH 01 Voice Mode ENH 02 Vol...

Page 59: ...Front Left Front Right speakers Syntax y FLR param1 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 La...

Page 60: ...1 Parameters param1 Input 1 4 Input Meaning 1 HDMI Input 1 2 HDMI Input 2 3 HDMI Input 3 4 HDMI Input 4 Returns HDMI param1 param1 Meaning 10 Set to HDMI Input 1 20 Set to HDMI Input 2 30 Set to HDMI...

Page 61: ...nd set Syntax y HELP Parameters None Notes The character must be specified as a parameter INFO Command The INFO command returns hardware and firmware version Syntax y INFO Parameters None Notes The ch...

Page 62: ...mmand The INTYPE command returns the audio input format Syntax y INTYPE Parameters None Returns Value 0 4 Value Meaning 00 None 01 PCM 2 1 02 PCM 5 1 03 Dolby Digital 2 1 04 Dolby Digital 5 1 Notes Th...

Page 63: ...Switcher Syntax y IR param1 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 I...

Page 64: ...de 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 param1 Mode Meaning 00 Pro Logic Surround 01 Direct Input 02 Downmi...

Page 65: ...eaning 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...

Page 66: ...er On 2 Toggle power state Returns Using RS 232 the following values are returned Value Meaning PWR 00 Power save mode ON PWR 01 Power save mode OFF PWR 00 Power toggled OFF PWR 01 Power toggled ON No...

Page 67: ...ers Syntax y SLR param1 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 speake...

Page 68: ...nables or disables auto status feedback Syntax y STAT param1 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 Stat...

Page 69: ...s the subwoofer Syntax y SUB param1 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 On Notes Use for param1 to...

Page 70: ...r Syntax y PWR param1 Parameters param1 Range 12 12 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 o...

Page 71: ...t 5 Test tone to Subwoofer 6 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...

Page 72: ...x y TREB param1 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 decrea...

Page 73: ...E command sets the video broadcast format Syntax y TVTYPE param1 Parameters param1 Format 0 1 Format Meaning 0 NTSC format 1 PAL format Returns TVTYPE value Value Meaning 00 NTSC format 01 PAL format...

Page 74: ...vel Syntax y VOL param1 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 d...

Page 75: ...71 MENU SYSTEM SUMMARY Main Menu Exit Exit Exit Exit Exit Mode OK...

Page 76: ...72 MENU SYSTEM SUMMARY Exit Exit...

Page 77: ...73 MENU SYSTEM SUMMARY Speaker Size Menu Exit Exit Exit Exit Mode OK Exit...

Page 78: ...74 MENU SYSTEM SUMMARY Exit Exit Exit Exit Mode OK Speaker Level Menu...

Page 79: ...75 MENU SYSTEM SUMMARY Exit Exit Exit...

Page 80: ...76 MENU SYSTEM SUMMARY Exit Exit Exit Exit Mode OK Speaker Distance Menu...

Page 81: ...77 MENU SYSTEM SUMMARY Exit Exit Exit...

Page 82: ...78 MENU SYSTEM SUMMARY Tone Control Menu Exit Exit Exit Mode OK...

Page 83: ...79 MENU SYSTEM SUMMARY Exit Exit Exit Exit Mode OK Audio Setup Menu...

Page 84: ...80 MENU SYSTEM SUMMARY Exit Exit Exit Exit Exit Exit...

Page 85: ...81 MENU SYSTEM SUMMARY Exit Exit Exit Exit Mode OK Misc Setup Menu...

Page 86: ...82 MENU SYSTEM SUMMARY Exit Exit...

Page 87: ...inding posts Analog Audio Outputs 7 RCA type pre amp level Subwoofer Output 1 RCA type pre amp level Subwoofer Crossover Frequency Slope 100Hz 12 dB per octave Signal to Noise Ratio 90dBA THD 0 1 at 1...

Page 88: ...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...

Page 89: ......

Page 90: ...Rev A2 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com gefentv support gefentv com Pb This product uses UL listed power supplies...

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