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Audison Thesis TH due, Advanced Manual

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Audison Thesis TH due Advanced Manual Download Page 16

15

Ge

n

e

ra

l

ADVANCED MANUAL / TH due

LEFT

RIGHT

+

-

+

-

POWER

+

-

+

CAP

12 V

mono

mono

+

-

-

12V

FUSE 100A

RIGHT

+

-

LEFT

+

+

CAP

Out: Mix L + R

L: 

min 

12

 mm 

(1

/2

”)

L: 

ma

x 

16

 mm 

(5

/8

”)

Ø

 MA

X: 

6 

AW

G

Rear Panel

How to connect the speakers in mono mode MIX L+R

Useful to drive a Subwoofer or a central channel by giving a stereo signal in input and having the electric 
sum of the right and left channel coming out, plus the possible action of the internal electronic filter crossovers
if featured.

About Input’s configuration see pages:

- 20 ÷ 22 – Analog Input
- 38 ÷ 45 – Digital Input

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Summary of Contents for Thesis TH due

Page 1: ...is TH Due Delivery in Kiev and throughout Ukraine with payment upon receipt http winauto ua Car Receivers Facia Plates Head Units TV and Monitors Car Antennas Car Audio Car DVRs GPS Navigation Trip Computers Security Systems Mechanical Locking Car Park Systems Cameras Optic and Light Car Tuning Car Heating Marine Audio and Electronics Car Accessories Car Isolation Car Installation Components Car B...

Page 2: ...www audison eu ADVANCED MANUAL TH due Car Audio Stereo Amplifier Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 3: ...multi amplified Sub TH amplifier Analog Input 30 Two Way bi amplified Sub with and without Th amplifiers Analog Input 31 Three Way multi amplified Sub with and without Th amplifiers Analog Input 32 THESIS 33 ASC AMPLIFIER STATUS CONTROLLER 33 INPUTS AND PRE AMPLIFIER 33 ASC Amplifier Status Controller 34 Functions Description 34 Setup Amplifier Main Input 35 How to change main Input Stereo or Mono...

Page 4: ...WER BIAS CONTROL 52 Setup Amplifier DUAL POWER Settings 52 DUAL POWER Values 53 How to change presets oin the Memory 54 Examples 55 Three Way multi amplified Sub TH amplifiers Digital Input 55 Three Way multi amplified Sub Th amplifiers Analog Digital Input 56 Three Way multi amplified Sub with both TH and non TH amplifiers Analog Digital Input 57 ASC Amplifier Status Controller 58 Status Monitor ...

Page 5: ...ng possibilities ASC Amplifier Status Controller offers the TH amplifiers can also be used in a traditional way taking advantage of the analog inputs and of the controls which provide the signal to the final stages The setting of the sensitivity stereo or bridged mono configuration the inputs sensitivity the electronic crossovers on slide through boards as well as the PRE bypass out anyway let to ...

Page 6: ...T2 N 2 CFB customizable modules N 4 Fixing screws and plastic bushing Multispanner tooling 100 A AFS spare fuse INSTALLATION CD with CD ROM TEST SIGNALS ACNet Software Track_01 sine sweep 0 dB 10 min This Advanced Manual pdf Track_02 white noise 12 dB 15 min AC Link Drivers Track_03 pink noise 0 dB 10 min USB ACNet Drivers Track_04 sine wave 50 Hz 0 dB 2 min Track_05 sine wave 1 kHz 0 dB 2 min Ava...

Page 7: ...NCED MANUAL TH due 510 mm 20 07 259 mm 10 19 160 mm 6 30 478 mm 18 82 f 4 3 x 10 5 mm 3 16 x 7 16 Installation External size How to fix 1 2 Fixing size Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 8: ...y print the template at the real size select the None option into the Page Scaling setup After printing cut the sheets along the blue reference line and then glue them Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 9: ...8 A B A Fixing template Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 10: ...6 Mode A level panel spacer 26 mm 1 02 Mode B A B A B DIGITAL AUDIO DC OUT CONTROL BUS REM OUT IN ADRS IN OPTICAL GND 15 15 IN OUT OUT AD Link IN L R L R 1 AC Link 2 Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 11: ...el panel spacer 66 mm 2 6 A level panel spacer 26 mm 1 02 B DIGITAL AUDIO CONTROL BUS REM OUT IN ADRS IN OPTICAL OUT AD Link IN L R 1 AC Link 2 Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 12: ... connect positive pole of external capacitor 3 LEFT Terminals to connect Left speakers system Size of connectors is 6 mm 6 AWG Pay attention to connect speaker with polarity as indicated wrong polarity causes a phase problem in the audio system 4 RIGHT Terminals to connect Right speakers system Size of connectors is 6 mm 6 AWG Pay attention to connect speaker with polarity as indicated wrong polar...

Page 13: ... 12 V mono mono FUSE 100A 12V RIGHT LEFT CAP L m i n 1 6 m m 5 8 L m a x 2 6 m m 1 Ø M A X 2 A W G Super Capacitor Ground Battery Fuse Holder Ground Rear Panel How to connect the power supply Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 14: ... ADVANCED MANUAL TH due 12V FUSE 100A RIGHT LEFT CAP Fuse AFS 100 A provided LEFT RIGHT POWER CAP 12 V mono mono Rear Panel How to replace the fuse Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 15: ...2 L m a x 1 6 m m 5 8 Ø M A X 6 A W G X Over 12V FUSE 100A RIGHT LEFT CAP Left Channel Right Channel Rear Panel How to connect the speakers in stereo mode About Input s configuration see pages 20 22 Analog Input 38 45 Digital Input Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 16: ...kers in mono mode MIX L R Useful to drive a Subwoofer or a central channel by giving a stereo signal in input and having the electric sum of the right and left channel coming out plus the possible action of the internal electronic filter crossovers if featured About Input s configuration see pages 20 22 Analog Input 38 45 Digital Input Car audio and car goods internet store Winauto w i n a u t o u...

Page 17: ...ers in mono mode IN R Useful to drive a Subwoofer a central channel or any amplified system in Dual Mono by means of a mono signal in input and having the same signal going out plus the possible action of the internal electronic filter crossovers if featured About Input s configuration see pages 20 22 Analog Input 38 45 Digital Input Car audio and car goods internet store Winauto w i n a u t o u a...

Page 18: ...o available if ACNet sofware is used 2 STEREO MONO By setting the switch on Stereo or Mono mode the amplifier works in Stereo or Mono Bridge When Mono is selected the switch MIX IN R is enabled 3 MIX IN R If set on MIX this switch enables the Left and Right inputs to drive the amplifier by mixing both signals When set on IN R only the Right input signal drives the amplifier NOTE sensitivity is aut...

Page 19: ...digital address of the amplifier when you want to realize a system with more than one TH Switch selector from 0 to 9 to set in a different number on each TH amplifier of the AC Link network Maximum allowed chain amplifiers number is 10 Warning a different number has to be assigned to each amplifier starting from number zero otherwise the ACLink network will not work properly The selected number is...

Page 20: ...AL GND 15 15 IN OUT OUT AD Link IN L R L R 1 AC Link 2 MONO MIX IN R STEREO LEVEL PUSH 0 3 1 2V RMS 1 2 4 8V RMS Hi Lo MENU ENTER UP DOWN L 7 mm 5 16 MAX 16 AWG Rem In Rem In Rem Out Rem Out Front Panel How to connect the remote Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 21: ...tereo How to connect the source through the preamplified analog input standard mode TH configured in Stereo mode Power Output to carry out connections check page 12 16 DRC not required PRE OUT To cascade connect other amplifiers when using the analog input you MUST use the Pre Out analog output Default preset Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 22: ...ect the source through the preamplified analog input standard mode TH configured in Mono MIX L R mode DRC not required PRE OUT To cascade connect other amplifiers when using the analog input you MUST use the Pre Out analog output Input Stereo Analog Pre Out Stereo Analog Power Output Mono MIX L R Default preset Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 23: ...ource through the preamplified analog input standard mode TH configured in Mono IN R mode DRC not required PRE OUT To cascade other amplifiers when using the analog input you MUST use the Pre Out analog output Input Mono Analog IN R Pre Out Mono Analog Power Output Mono IN R Same system for the Left Channel Default preset Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 24: ... amplifier power output not on the PRE OUT output which is always a bypass The alignment is a Butterworth type as when either of the TH amplifiers is set up in a mono configuration the slope of the filter can be set for 24 dB Oct operation Each TH due is factory provided with a TH MXR 1 crossover board containing the electronics required to set through selectors the operation mode as well as the L...

Page 25: ...NUAL TH due Hz 180 Hz 12 dB 180 Hz 12 dB 180 1 8k Hz Hi pass Lo pass 12 dB 12 dB Electronic Crossover TH in Stereo Mode DO NOT INSERT TH MXR 1MODULE Disabled Disabled Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 26: ...the amplifier is set up in a mono configuration it is possible to set the crossover slope at 12 or 24 dB Oct The TH MXR 1 board must be inserted You need to operate on the ASC specific Setup Amplifier step See page 51 Through the Status Monitor it is possible to check anytime the presence of the filter as well as the set slope Disabled Disabled Car audio and car goods internet store Winauto w i n ...

Page 27: ...hen the amplifier is set up in a mono configuration and ASC is set at 24 dB Oct it is anyway possible to set the crossover Low pass at 12 or 24 dB Oct The TH MXR 1 board must be inserted You need to operate on the TH MXR 1 switch Through the Status Monitor it is possible to check anytime the presence of the filter as well as the set slope Car audio and car goods internet store Winauto w i n a u t ...

Page 28: ... Crossover How to insert TH in Stereo Mode In this case you can verify both presence and slope of the crossover by checking the ASC Status Monitor however it is not possible to modify its slope See page 58 You can verify the crossover presence by checking the ASC Status Monitor See page 58 Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 29: ...ontrols Panel LEVEL In order to add DRC to the System you also need to 7 Set ADRS on the Front Panel in position 1 for instance 8 Set Amp ID on FRONT for instance in the ASC Setup Amplifier this way DRC will be enabled to adjust general Volume Balance and Fader In order to adjust the system through the ACNet On this system the steps 1 2 3 4 5 and 7 need to be performed The Software will temporaril...

Page 30: ... set in Mono configuration In order to add DRC to the System you also need to 7 Give the Front Panel ADRS of each of the two amplifiers a different setting Example 1 and 2 8 Configure the Amp ID on the ASC Setup Amplifier of the two amplifiers by setting TH 1 as Front and TH 2 as Sub 9 Set the TH 1 ID Preout as TH Amp to let DRC adjust general Volume Balance Fader as well as Sub Volume In order to...

Page 31: ...5 8 7 6 4 3 2 1 9 Source REM Out DRC Optional use Tweeter Midrange Woofer Subwoofer Pre Out WM1 or WM2 SS1 SW1 or SW2 SW1 or SW2 WM1 or WM2 Hz Passive Crossover USB AC Link Converter ACNet Optional use Front Panel Rear Panel Front Panel Rear Panel Front Panel Rear Panel Example Three Way multi amplified Sub TH amplifier Analog Input Car audio and car goods internet store Winauto winauto ua ...

Page 32: ... up in Mono configuration Also it becomes the audio chain first amplifier thus being able to manage the whole system In order to add DRC 7 Set ADRS on the Front Panel in position 1 for instance 8 Set the Amp ID in the ASC Setup Amplifier as Sub 9 Set the ID Preout as Front to let DRC adjust general Volume Balance Fader as well as Sub Volume In order to adjust the system through the ACNet Once the ...

Page 33: ...DRC Optional use Analog Source PRE OUT SPEAKER mono mono LEFT PRE IN PRE IN PRE OUT mono SPEAKER RIGHT Rem IN Rem OUT Tweeter Midrange Woofer Subwoofer Passive Crossover Hz USB AC Link Converter ACNet Optional use Front Panel Rear Panel Front Panel Rear Panel Example Three Way multi amplified Sub with and without TH amplifiers Analog Input Car audio and car goods internet store Winauto winauto ua ...

Page 34: ...ce of the DRC Digital Remote Control is underlined The DRC also adds some specific functions which you can read on their relative section from page 61 on ASC AMPLIFIER STATUS CONTROLLER The TH amplifiers combine an analog and digital section in one device keeping the two sections on separate PCBs although mounted within the same sub chassis Each amplifier features a state of the art digital encodi...

Page 35: ...h step of the management you are at if you push the MENU button you exit the ASC management and you are automatically taken back to the first display screen Default display without saving any changes Remark No matter which step you are at of the management software if you don t operate on the switches for 5 seconds the ASC automatically goes back to the first display screen Default display without...

Page 36: ...mplified input In multi amplified systems in order to cascade other amplifiers when using the analog input the Pre Out analog output MUST be used In this case the amplifier can use the IN OPTICAL digital input or the pre amplified input You can select either input only through the DRC In multi amplified systems select this entry only on the first chain TH amplifier which is the one physically rece...

Page 37: ...bwoofer Volume Balance and Fader If the last setup working conditions are no more valid that is if you disconnect the DRC and you had changed the default conditions the ASC will automatically go back to use the PRE Analog Input In this case Fader and Balance will go back to central position while general Volume and Sub Volume will go back to 0 dB maximum value The TH display will show the followin...

Page 38: ...On the DRC select the source Optical Input On the DRC adjust volume until you can read 30 0 dB Insert the Test CD provided with the amplifier into the source connected to the digital input Select track 05 sinusoidal signal 1 kHz 0 dB Using a multimeter True RMS measure the voltage on the speaker terminals On the DRC select the source Analog Input Do not change the set volume 30 0 dB Insert the Tes...

Page 39: ...ats the IN OPTICAL signal Power Output Stereo How to connect a source through the optical digital input in a system featuring more than one TH amplifier TH configured in Stereo mode In this case the DRC is REQUIRED to Adjust the general volume Select the optical input PRE OUT anyway available see page 39 Setting changed See page 35 Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 40: ...rce through an optical digital input in a system featuring other non TH amplifiers Setting changed See page 35 In this case the DRC is REQUIRED in order to Adjust general volume Select the optical input PRE OUT see page 47 49 to check how to manage it In order to take advantage of Volume control Balance Fader and Sub through the DRC also on the PRE output the AMP ID Preout needs to be set to the A...

Page 41: ...ical digital input in a system featuring more than one TH amplifier In this case the DRC is REQUIRED to Adjust general volume Select the optical input PRE OUT anyway available see page 41 TH configured in Mono MIX L R mode Input Digital Optical S P DIF Pre Out Digital AD Link Repeats the IN OPTICAL signal Power Output Mono MIX L R Setting changed See page 35 Car audio and car goods internet store ...

Page 42: ...L R mode How to connect a source through the optical digital input in a system featuring other non TH amplifiers Setting changed See page 35 In this case the DRC is REQUIRED in order to Adjust general volume Select the optical input PRE OUT see page 47 49 to check how to manage it In order to take advantage of Volume control Balance Fader and Sub through the DRC also on the PRE output the AMP ID P...

Page 43: ... S P DIF Pre Out Analog Digital AD Link Power Output Stereo How to connect an analog and a digital source in a system featuring more than one TH amplifier TH configured in Stereo mode In this case the DRC is REQUIRED to Adjust general volume Select the optical input PRE OUT anyway available see page 43 Setting changed See page 35 Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 44: ...nd a digital source in a system feauring other non TH amplifiers Setting changed See page 35 In this case the DRC is REQUIRED in order to Adjust general volume Select the analog or digital optical input PRE OUT see page 47 49 to check how to manage it In order to take advantage of Volume control Balance Fader and Sub through the DRC also on the PRE output the AMP ID Preout needs to be set to the A...

Page 45: ...t an analog and digital source in a system featuring more than one TH amplifier In this case the DRC is REQUIRED in order to Adjust general volume Select the optical input PRE OUT anyway available see page 45 TH configured in Mono MIX L R mode Input Analog Digital Optical S P DIF Pre Out Analog Digital AD Link Power Output Mono MIX L R Setting changed See page 35 Car audio and car goods internet s...

Page 46: ...e the DRC is REQUIRED in order to Adjust general volume Select the optical input PRE OUT anyway available see page 47 49 TH configured in Mono MIX L R mode Input Analog Digital Optical S P DIF Pre Out Stereo Analog Power Output Mono MIX L R Setting changed See page 35 In order to take advantage of Volume control Balance Fader and Sub through the DRC also on the PRE output the AMP ID Preout needs t...

Page 47: ...Front is assigned to the TH amplifier by operating on the DRC its general volume as well as the right left balance will change Also by setting the Fader on Rear you will hear the volume diminishing however no change will be perceived if you operate on the DRC Sub volume Vice versa if the AMP ID Subwoofer is assigned to the TH amplifier by operating on the DRC its general volume more specifically t...

Page 48: ...w level parameters management functions through the DRC As the AMP ID Preout does not operate on the electronic crossover it does not put in any filters on the output signal The signal on the PRE OUT output will always be exactly the same as the one on the selected input ASC Amplifier Status Controller Default Entries Warning if a TH amplifier already connected with the AD Link is connected to the...

Page 49: ... TO THE NEXT SETUP PRESS ENTER TO REACH Warning if a TH amplifier already connected with the AD Link is connected to the analog Preout output THIS OPTION IS MANDATORY as the second TH amplifier will already have its own AMP ID For an easier understanding on this page you will find the possible options of both the AMP ID and the Preout in case the amplifier is mechanically set in Mono configuration...

Page 50: ... entry which takes advantage of the amplifier for the right channel you can assign one single entry dedicated to the right channel to the ID Preout This dedicated setting is only valid using the analog input Default Entries Setup Amplifier Amp ID and ID Preout TH in Mono mode IN R PPRESS ENTER TO CONFIRM YOUR SELECTION AND MOVE TO THE NEXT SETUP PRESS ENTER TO REACH Warning if a TH amplifier alrea...

Page 51: ...he amplifier connected to that output thus adapting sensitivity according to the system general volume increase and decrease The procedure to perform this operation is the following 1 Connect the non TH amplifier to the PRE output 2 Assign the ID Preout 3 Set the non TH amplifier sensitivity to the minimum 4 Through the AC Net slider increase the output sensitivity until you get the desired volume...

Page 52: ... MXR module will not be active Select 2 24 dB oct when this option is selected the Low pass slope switch on the TH MXR module will anyway be active thus providing the ability to mechanically choosing between 12 and 24 dB oct For further information see page 23 27 Setup Amplifier X Over Slope with TH in Mono mode PRESS ENTER TO CONFIRM YOUR SELECTION AND MOVE TO THE NEXT SETUP PRESS ENTER TO REACH ...

Page 53: ...er these conditions Hi AB Class it is the default mode combining the characteristics of high class functioning great capability of driving difficult loads and high power Hi Current Pure power on any loads Energy Saving it sets the power emission to the minimum allowing musical enjoyment for extended periods of time with the vehicles engine off DUAL POWER BIAS CONTROL When changing mode you need to...

Page 54: ...80 W 80 W 7 mA 200 mA 10 mA 40 mA Bias Regulation A Class 2 0 A 7 4 A 3 5 A 6 2 A Idling Current Consumption 4 Ω 4 Ω 4 Ω 4 Ω 2 Ω 2 Ω 2 Ω 1 Ω 1 Ω Load Impedance ASC Amplifier Status Controller DUAL POWER Values Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 55: ...rent mode and so on 2 Customizing by acting on both the DRC memories and the ASC control panel of the amplifier you can create custom setups For instance if you want the TH amplifiers to anyway work in A Class mode you will have to act on the setup as follows Select memory 1 on the DRC by pressing first SEL and then 1 Select the A Class preset on the ASC by accessing to its corresponding setup Rep...

Page 56: ... Source REM Out DRC Necessary Function Master Volume WM1 or WM2 SW1 or SW2 WM1 or WM2 SS1 SW1 or SW2 USB AC Link Converter ACNet Optional use Digital Optical Out Hz Passive Crossover Tweeter Midrange Woofer Subwoofer Front Panel Rear Panel Front Panel Rear Panel Front Panel Rear Panel Example Three Way multi amplified Sub TH amplifiers Digital Input Car audio and car goods internet store Winauto w...

Page 57: ...r WM2 SW1 or SW2 WM1 or WM2 SS1 SW1 or SW2 Pre Out DRC Necessary Function Source Selector Analog IN Optical IN Master Volume On Optical Digital Optical Out Hz Passive Crossover Front Panel Rear Panel Front Panel Rear Panel Front Panel Rear Panel Tweeter Midrange Woofer Subwoofer USB AC Link Converter AC Net Optional use Example Three Way multi amplified Sub TH amplifiers Analog Digital Input Car a...

Page 58: ...cal IN Master Volume On Optical Digital Optical Out Digital Source Passive Crossover Hz PRE OUT SPEAKER mono mono LEFT PRE IN PRE IN PRE OUT mono SPEAKER RIGHT Rem IN Analog Source Tweeter Midrange Woofer Subwoofer Front Panel Rear Panel Front Panel Rear Panel USB AC Link Converter ACNet Optional use Example Three Way multi amplified Sub with both TH and non TH amplifiers Analog Digital Input Car ...

Page 59: ...e the system identified by its specific ID These functions are only customisable if the PC is connected through the ACNet software These entries are displayed on the Status Monitor only if customized Displays the input sensitivity range and value measured in volts both being adjusted by the relative potentiometer on the INPUT PANEL or by the ACNet software Displays the PRE output sensitivity range...

Page 60: ...atus Through this setup you can select the fields you want to be visibile when the amplifier is on For each field you can select YES to have the entry show on the display If all NO are selected the display will always show the default display screen You will only have to select even just one entry to see it appear alternately on the display while the amplifier is working By default all the fields ...

Page 61: ...nel general protection The amplifier will try to restart 5 times Contact Audison Technical Support Right channel general protection The amplifier will try to restart 5 times Contact Audison Technical Support Left channel overload protection Check speaker load This message is displayed when an overload occurs Right channel overload protection Check speaker load This message is displayed when an ove...

Page 62: ...lling a memory the display shows its corresponding preset stored in the amplifier The DRC is a microprocessor digital system providing remote control and monitoring of the TH amplifiers Once connected it performs important functions such as Source selection it also provides the ability to use the optical digital input as main source checking its main volume Main volume control Subwoofer volume con...

Page 63: ...put is reaching distortion threshold Right channel output is reaching distortion threshold Thermal protection Check environmental temperature and or use a low bias AMC setting Rare contact with ground occurs Stop listening and check speaker cables Left channel overload protection Check speaker load Right channel overload protection Check speaker load Left channel general protection Call Audison Te...

Page 64: ...16 mm 0 63 17 mm 0 67 12 5 mm 0 49 68 mm 2 68 90 mm 3 54 35 mm 1 38 Ø 2 mm 1 8 50 mm 2 43 5 mm 1 71 13 5 mm 0 53 3 5 mm 0 14 6 mm 0 23 DRC Digital Remote Control DRC How to connect DRC How to install External mounting Flush mounting Car audio and car goods internet store Winauto w i n a u t o u a ...

Page 65: ...2 cable from the TH to the USB AC Link converter 4 Connect the USB cable from USB AC Link converter to PC 5 Wait 5 10 secs until the PC recognizes the USB connection 6 Launch the ACNet software 7 If everything is OK the PC monitor displays the software main page Hardware Requirements 1024x768 Display Optimized 96 dpi Font size 1 x USB port 1 1 compliant ACNet Audison Control Network Car audio and ...

Page 66: ...EMORY This menus allow the function setting for each amplifier separately 5 SYSTEM AUDIO CONTROL The sliders in this area operate on the low level audio controls of the whole system 6 7 AMPLIFIER STATUS This section is the real monitor of the amplifier s vital functions 8 SYSTEM AMPLITUDE SETUP This function enables the input sensitivity of the amplifiers in the system 9 SYSTEM DUAL POWER SETUP Th...

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