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32

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

Night

Increases the volume of quiet passages, while 

decreasing the volume of loud passages.  Similar to 

DRC but works with all audio signals. 

VOICE

Detects speech audio patterns and separates them 

from the background sounds, making them more 

intelligible. 

VOLUME

Real-time detection of the source audio gain, 

providing constant volume level between changing 

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 ▲

 or 

Volume ▼

 buttons to navigate to the Audio Setup 

menu. 

 

 

 

3.  Press the 

Mode / OK

 button.

4.  Use the 

Volume ▲

 or 

Volume ▼

 buttons to select the Enhancement option:

 

 

 

 

MAIN MENU 

AUDIO SETUP 

AUDIO SETUP 

enha.  (  off  )

Summary of Contents for GTV-AUDDEC-N

Page 1: ...4x1 HD Switcher w Audio Decoding GTV AUDDEC N User Manual gefentv com...

Page 2: ......

Page 3: ...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...

Page 4: ...Audio Processing Mode 16 Accessing the Menu System 17 Menu System 17 Setting the Speaker Size 19 Setting the Speaker Level 21 Setting the Speaker Distance 23 Adjusting the Tone Control 25 Saving Audio...

Page 5: ...eceivers 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 channe...

Page 6: ...r 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 audi...

Page 7: ...ntrols RS 232 control IR Remote control 12 V trigger input for power amplifiers turns unit on when 12V is received 12 V 50 mA trigger output output is 12V when unit is on 0V when unit is off Save and...

Page 8: ...4 Front Panel FRONT PANEL LAYOUT 1 2 11 3 10 9 4 8 7 5 6 H1 HD 10db None Direct...

Page 9: ...ower 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 LE...

Page 10: ...6 BACK PANEL LAYOUT Back Panel 11 2 3 1 12 4 6 5 7 8 9 10...

Page 11: ...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 ex...

Page 12: ...selection 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 Thi...

Page 13: ...Cursor Right This 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...

Page 14: ...ry 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...

Page 15: ...IR channel on the 4x1 HD Switcher w Audio Decoding IR Channel 0 default 1 2 ON How to Resolve IR Code Conflicts In the event that IR commands from other remote controls interfere with the supplied IR...

Page 16: ...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 CONNECTING THE 4X1 HD SWITCHER W AUDIO DECODING HDM...

Page 17: ...er 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 Stan...

Page 18: ...DMI H1_CX Coax H3_CX Coax 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_...

Page 19: ...y 1 dB 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...

Page 20: ...able audio processing modes Main Menu To access the Menu System press the Menu button on the front panel The front panel display will change Press the Volume or Volume button to cycle through the diff...

Page 21: ...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...

Page 22: ...e Front Left Front R speaker size 3 Press the or buttons to change the speaker size 4 Use the or buttons to change the size of the Center Surround Left Surround Right and Subwoofer speakers 5 Press th...

Page 23: ...n 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 speaker level 3 Press the Mute or Input button to c...

Page 24: ...s the or 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 the IR Remote Control to enable the test tone 5 Use t...

Page 25: ...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 front panel display will show the current distance for th...

Page 26: ...e 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 Front Right Surround Right Surround Left and Subwoofer and...

Page 27: ...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 setting 3 Press the Mute or Input button to c...

Page 28: ...n The front panel display will show the current bass setting 3 Press the or button to change the bass setting 4 Use the or buttons to navigate to the Treble setting and adjust the level as necessary 5...

Page 29: ...outed to the Front Left Front Right speakers MCH STER 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 th...

Page 30: ...button to navigate to the optical option 4 Press the Mute or Input button to access the current setting for the optical TOSLINK input In the illustration below the optical input is set to use the Dire...

Page 31: ...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 Press the Mute or Input button to change the current favor...

Page 32: ...utton to navigate to the optical option 4 Press the or 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 pro...

Page 33: ...ccess 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 Press the or button to change the current favorite se...

Page 34: ...ion 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 3 Press the Mode OK button 4 Use the Vol...

Page 35: ...r 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 the EXIT button to save the c...

Page 36: ...tects speech audio patterns and separates them from the background sounds making them more intelligible VOLUME Real time detection of the source audio gain providing constant volume level between chan...

Page 37: ...ENU 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 Enhancement option 5 Press the or button to change to change the audio e...

Page 38: ...u 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 unit of measure is set to meters 3 To change the un...

Page 39: ...ll 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 measure to feet press the or button to change the...

Page 40: ...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 front panel buttons 1 To set the E...

Page 41: ...se 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 button to the desired EDID mode below the mixed...

Page 42: ...l 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 Use the Volume or Volume buttons to select...

Page 43: ...de 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 to change to the required IR channel 6 Press...

Page 44: ...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 prompt you to confirm the selection Press th...

Page 45: ...ption 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 the Switcher is reset the Switcher will...

Page 46: ...2 RX 3 TX and 5 Ground are used on the RS 232 serial interface 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...

Page 47: ...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 48: ...1 S PDIF 2 TOSLink 3 Analog RCA Returns HDMI param1 param1 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 select...

Page 49: ...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 b...

Page 50: ...Value Meaning 0 Small Center speaker 1 Large Center speaker 2 OFF Returns CT param1 param1 Meaning 00 Small Center speaker 01 Large Center speaker 02 Center Speaker OFF Notes Use for param1 to retriev...

Page 51: ...n feet Use for param1 to retrieve the current value DFL Command The DFL command sets the distance of the Front Left speaker Syntax DFL param1 Parameters param1 Distance 0 20 Returns DFL param1 Notes D...

Page 52: ...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 param1 Parameters param1 Distan...

Page 53: ...and enables or disables Dynamic Range Control Syntax 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 54: ...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 DSL param1...

Page 55: ...R param1 Parameters param1 Distance 0 20 Returns DSR param1 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...

Page 56: ...isplay The EDID Mix Mode will use the full video capabilities of the display and combine the full audio capabilities of the Internal EDID of the Switcher The Switcher will power cycle after the comman...

Page 57: ...m1 to retrieve the current value FLR Command The FLR command sets the size for the Front Left Front Right speakers Syntax FLR param1 Parameters param1 Size 0 1 Value Meaning 0 Small Front Speakers 1 L...

Page 58: ...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 I...

Page 59: ...mand 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 char...

Page 60: ...ommand The INTYPE command returns the audio input format Syntax 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 The...

Page 61: ...e Switcher Syntax 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 IR...

Page 62: ...e 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 Downmix...

Page 63: ...aning 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 64: ...r 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 Not...

Page 65: ...kers Syntax 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 speaker...

Page 66: ...enables or disables auto status feedback Syntax 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 Statu...

Page 67: ...es the subwoofer Syntax 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 r...

Page 68: ...er Syntax 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 or...

Page 69: ...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 70: ...ax 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 decreas...

Page 71: ...PE command sets the video broadcast format Syntax 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 N...

Page 72: ...evel Syntax 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 de...

Page 73: ...MENU SYSTEM SUMMARY Main Menu Exit Exit Exit Exit Exit H1 HD 01db None direct MAIN MENU SPEAKER LEVEL MAIN MENU SPEAKER DISTANCE MAIN MENU TONE CONTROL MAIN MENU AUDIO SETUP MAIN MENU MISC SETUP Mode...

Page 74: ...70 MENU SYSTEM SUMMARY Exit Exit MAIN MENU EXIT...

Page 75: ...STEM SUMMARY Speaker Size Menu Exit Exit Exit Exit Mode OK Exit MAIN MENU SPEAKER SIZE SPEAKER SIZE FRONT L R SMALL SPEAKER SIZE CENTER SMALL SPEAKER SIZE SURR L R SMALL SPEAKER SIZE SUB SMALL SPEAKER...

Page 76: ...M SUMMARY Exit Exit Exit Exit Mode OK MAIN MENU SPEAKER LEVEL SPEAKER LEVEL FRONT L 00db SPEAKER LEVEL CENTER 00db SPEAKER LEVEL Front R 00db SPEAKER LEVEL SURR R 00db SPEAKER LEVEL SURR L 00db Speake...

Page 77: ...73 MENU SYSTEM SUMMARY Exit Exit Exit SPEAKER LEVEL SUB 10db SPEAKER LEVEL EXIT...

Page 78: ...t Exit Exit Exit Mode OK MAIN MENU SPEAKER DISTANCE SPEAKER DISTANCE FRONT L 03 0m SPEAKER DISTANCE CENTER 02 0M SPEAKER DISTANCE Front R 03 0m SPEAKER DISTANCE SURR R 02 0m SPEAKER DISTANCE SURR L 02...

Page 79: ...75 MENU SYSTEM SUMMARY Exit Exit Exit SPEAKER DISTANCE SUB 03 0m SPEAKER DISTANCE EXIT...

Page 80: ...76 MENU SYSTEM SUMMARY Tone Control Menu Exit Exit Exit Mode OK MAIN MENU TONE CONTROL TONE CONTROL BASS 05db TONE CONTROL TREBLE 00db TONE CONTROL EXIT...

Page 81: ...SUMMARY Exit Exit Exit Exit Mode OK MAIN MENU AUDIO SETUP AUDIO SETUP COAXIAL FAV PROC AUDIO SETUP OPTICAL FAV PROC AUDIO SETUP AUD LR FAV PROC AUDIO SETUP HDMI 1 FAV PROC AUDIO SETUP HDMI 2 FAV PRO A...

Page 82: ...78 MENU SYSTEM SUMMARY Exit Exit Exit Exit Exit Exit AUDIO SETUP HDMI 3 FAV PROC AUDIO SETUP HDMI 4 FAV PROC AUDIO SETUP DRC OFF AUDIO SETUP ENHA NIGHT AUDIO SETUP EXIT...

Page 83: ...SYSTEM SUMMARY Exit Exit Exit Exit Mode OK MAIN MENU MISC SETUP MISC SETUP DIST UNIT METER MISC SETUP EDID ADJ INT MISC SETUP TV SYSTEM NTSC MISC SETUP IR ChANNEL 1 MISC SETUP Factory Default Misc Set...

Page 84: ...80 MENU SYSTEM SUMMARY Exit Exit MISC SETUP EXIT...

Page 85: ...l Digital Audio Output 1 x TOSLINK optical Analog Audio Outputs 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...

Page 86: ...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 87: ......

Page 88: ...Rev A3 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefentv com support gefentv com Pb This product uses UL listed power supplies...

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