MR 88 User Manual
Contents
1. Weight 2 2kg approx Page 222. 1 second and 2 seconds 14 Decide if the channel should be included in the NOMA calculation 15 Connect any further microphones to the remaining input channels and carry out stages 2 to 13 16 Select the Output A B Channels and select the source for the output channel A and Channel B 17 Select the Outout A B Channel Gain and adjust the ChA and ChB output levels to the required nominal level Typical levels for microphone use are 40dBV and for line levels OdBV or 10dBV The channel A and channel B gain controls can be either set together or individually Page 20 Security Mode To ensure the mixer setting are not accidentally altered or deliberately tampered with the mixer has an adjustable 4 digit security code When the mixer is Locked the only way to Unlock it is to re enter the security code Even if the mixer is switched off and on again the mixer will re enter locked mode and still require the security code to be entered How to Change the Security Code In the System menu press the function button until the unlock code is displayed Use the rotary control and Function Buttons to set the code to the desired value The default factory code is 1234 How to Lock the Mixer To lock the Mixer front panel settings hold down both the lt CHANNEL and gt FUNCTION buttons for 3 seconds A warning message will be displayed that the mixer is about to be locked during this 3 seconds Releasing the keys will abort the lo
3. 4 Control Out 7 5 Control In 8 6 Control In 6 7 Control In 4 8 Control In 2 9 Gnd Chassis 10 5V Output 100mA Max 11 VCA 1 Wiper 12 VCA 2 Top 13 VCA 2 Gnd Chassis 14 Control Out 2 15 Control Out 4 16 Control Out 6 17 Control Out 8 18 Control In 7 19 Control In 5 20 Control In 3 21 Control In 1 22 Gnd Chassis 23 VCA 1 Top 24 VCA 1 Gnd Chassis 25 VCA 2 Wiper Page 18 Link In Out Daisy Chain Capability When more than eight microphones are needed the MR88 can be daisy chained via the Link In Out connectors with other MR88 mixers This will create a multi mixer system with audio and control passing throughout the system All audio and control data is carried by link cables from 8 pin RJ45 connectors at the rear of the mixer This is a 1 to 1 link This must be a screened CAT 5E cable STP Each additional mixer contains the audio from the one previous and mixes its outputs onto the output busses This total mix is fed back up the chain from the last mixer making the full mixed output available from any of the mixers in the chain Priority and control extends throughout the entire chain The practical limit of the number of MR88 mixers that can be daisy chained is 50 The SYSTEM settings for Priority and Last One On should be set to be the same for all mixers in the chain If they are set up differently their operation might be confusing RS232 Control A PC program is available to setu
4. connect as follows Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Control In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 Gnd Gnd 5V VCA1 Top VCA1 Wiper VCA1 Gnd VCA2 Top VCA2 Wiper VCA2 Gnd st i n T E o o 2 5 Mute Channels 5 8 Control Port Page 16 VCA Control Output Gain can be controlled by the external VCA s connected to the External Control Port External potentiometers of 10k linear are required These will provide 0 to 60 dB of attenuation from the output gain setting in the Output Gain menu These can be set for the following VCA1 OFF VCA2 OFF VCA1 Channel A VCA2 OFF VCA1 Channel B VCA2 OFF VCA1 Channel AandB VCA2 OFF VCA1 Channel A VCA2 Channel B Connection to the external control port is as follows Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Control In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 VCA1 Gnd 10k Potentiometer Gnd 5V VCA1 Top VCA1 Wiper VCA1 Gnd VCA2Top VCA2 VCA2 Wiper 10k Potentiometer VCA2 Gnd Page 17 External Control Port Pin Number Function 1 Control Out 1 2 Control Out 3 3 Control Out 5
5. B Gain Stereo Stereo Channel MicPhant MicPhant MicPhant A Gain Mic Line Mic Line Mic Line Channel MONO MONO B Gain Gain Gain Channel STEREO STEREO STEREO A Source Gain L R Gain L R Gain L R Channel STEREO STEREO STEREO B Source Gain Left Gain Left Gain Left STEREO STEREO STEREO Gain Right Gain Right Gain Right ear on Ch7 Mono Stereo Ch5 Mono Stereo Ch6 Mono Ch 4 Mono Stereo Stereo MicPhant MicPhant MicPhant MicPhant Mic Line Mic Line Mic Line Mic Line MONO MONO MONO MONO Gain Gain Gain Gain STEREO STEREO STEREO STEREO Gain L R Gain L R Gain L R Gain L R STEREO STEREO STEREO STEREO Gain Left Gain Left Gain Left Gain Left STEREO STEREO STEREO STEREO Gain Right Gain Right Gain Right Gain Right Compress Compress Compress Compress EQ Hi EQ Hi EQ Hi EQ Hi EQ Lo Output to EQ Lo EQ Lo EQ Lo Output to Output to Output to Priority Priority Priority Priority Gate Off Gate Off Gate Off Gate Off Detector Detector Manual Manual Detect Detect Level Level Hold time Hold time Hold time Hold time NOMA NOMA NOMA NOMA Ch 8 Mono Stereo MicPhanY Priority 2 Mic Line mode MONO Gain STEREO Priority 4 Gain L R mode STEREO Last One Gain Left jon STEREO Code Gain Right Control Outputs Control Inputs VCA Compress Output to Priority Gate Off Detector
6. can be used to listen to the channel so that the gain can be set per channel even when the channel is not connected to the output When set to stereo three functions allow the gain adjustments for the Left and Right Channels to be linked or independently set Page 10 Compression The task of the compressor is to reduce the dynamic range of the input signal and to control the overall level The MR88 has a compressor on each of the inputs that can be set to Off 1 8 and Max These settings vary from 1 1 to 6 1 These can be useful when dealing with large variations of speech input level On the highest setting even the quietest whisper can be heard at the same volume as the loudest voice Equaliser EQ Low 12dB boost or cut of the low frequency components of the audio signal with this 200 Hz fixed frequency shelving filter This is useful for adding warmth to a microphone or subtracting boom EQ High 12dB boost or cut of the high frequency components of the audio signal with this 5kHz fixed frequency shelving filter This can be useful for boosting dull sounding microphones or reducing the sibilance of lively microphones Output Selection Output Selects if a channel is not used Off or goes to Output Bus X Output Bus Y or Output Bus X Y of the mixer A pair set to stereo are treated in almost exactly the same way When set to Output Bus X the pair is placed as mono onto output bus X When set to Output Bus Y the pa
7. CLOCKALJDNO MR88 Automatic Microphone Mixer Version 4 2 Clockaudio Limited 22 Arnside Road WATERLOOVILLE Hampshire UK Tel 44 0 2392 251193 Fax 44 0 2392 251201 Email sales clockaudio co uk CONTENTS INTRODUCTION siii is 3 A ome eM rat mina ee te eA Snel anette E cee A ae mises 4 MESS Front sd es ela adh aes 5 MESS Rear Panel ici A e 6 MR88 Men PUNCH OMS dadas ii 7 Changing Channels and Functions cccscsscesssssssccssssscssssccssssncessccssnscesenacessnsesesnes 9 Changing Values resan E 9 Explanation Of Functions ienesis A AE 10 Output A B F ctions rica E EAE E ER EiS 10 Punctrons Ok Channels T did is 10 INT OMOP SISTED A O A A 10 A E 10 Gain Controls Pre AmpPUA A AAA 10 COMPTE rs 11 A A E E EI 11 Dutput Seca E OS 11 Priority Select Function iii 11 Gating Off Attenuation Level Control oooncccnnncccnnnocanonacononcncnnnnncnnnnnonnncnonnncconncnnnns 11 Detector Adjustable Detector Control ec eased ini dd has 12 A E E 12 NOMA Number of Open Microphones Attenuated Control c oooooccnnncnnncinonnnacnnnnnns 12 System Functions inci na TERRE 13 EE OO 13 East Active Chimentos 13 Security COME seeren eaea ri 13 Active Control Outputs A a AiE 14 Control Inputs O 16 MCA Control sminictanias cian ath eens eSEE EEE dee eee 17 External Control Port irc SSE 18 Link In Out Daisy Chain Capablanca 19 RS232 COn anro eia a A A A aed le co A eae 19 sta o o dl 20 Basic Set up for Microphone msicionvni
8. Manual Detect Level Hold time Page 7 Menu System Gain Ch A B 60d0B 0dB Gain Ch A 60dB 0dB Gain ChB 60dB 0dB Source ChA Off X Y X Y Source Ch B Off X Y X Y Input Type Mono Stereo Input Level Mic Phantom Mic Line Gain 400B 20dB Compression Off 1 8 Max EQ Lo 12dB 12dB EQ Hi 120B 12dB Output to Off BusX Bus Y BusX BusY Priority 1 4 Gate Off Atten 6dB 40dB Mute Detector Type Auto speech Auto music Manual Force On Force Off Hold time 50mS 100mS 200mS 500mS 18 2S Input Type Mono Stereo Input Level Mic Phantom Mic Line Gain 40dB 20dB Compression Off 1 8 Max EQ Lo 12dB 12dB EQ Hi 120B 12dB Output to Off BusX Bus Y BusX BusY Priority 1 4 Gate Off Atten 6dB 40dB Mute Detector Type Auto speech Auto music Manual Force On Force Off Hold time 50mS 100mS 200mS 500mS 18 2S Input Type Stereo Mono Input Level Mic Phantom Mic Line Gain Left 40dB 20dB Gain Right 400B 20dB Gain Left Right 400B 20dB Compression Off 1 8 Max EQ Lo 12dB 12dB EQ Hi 120B 12dB Output to Off BusX Bus Y BusX Bus Y Stereo Priority 1 4 Gate Off Atten 6dB 40dB Mute Detector Type Auto speech Auto music Manual Force On Force Off Hold time 50mS 100mS 200mS 500mS 18 2S Priority 1 mode Inclusive Exclusive Prior
9. Open Microphones Attenuated Control The NOMA system helps reduce feedback by allowing for the increase in system gain as the number of open microphones increases When selected the MR88 identifies exactly how many NOMA selected microphones are on and automatically adjusts the gain However NOMA will reduce the sound level of each individual person speaking which may not be desired especially in applications such as conferencing By selecting this function individually for each channel the system designer can control which microphones are included in the NOMA calculation Page 12 System Functions Priority There are 4 levels of priority for the channels Each priority can be assigned one of two modes Priority 1 is the lowest priority 4 the highest Channels of a higher priority will lock out channels of a lower priority e Inclusive mode All microphones that are allowed to be active are mixed to the selected output bus e Exclusive mode First come first served mode Only one microphone can be on at any one time All other microphone channels of the same priority are locked out until the controlling microphone goes silent Switching between microphone channels can be controlled from very fast to up to 2 seconds depending upon application Last Active Channel This feature enables the last microphone channel used to be left switched on until a new channel is detected This can help to keep a constant ambient sound in a s
10. are connected to the output dependant on priority setting when a signal is detected The method used for detection can be selected by type of input These are Auto Speech Auto Music Manual Level Set Detector Forced On and Detector Forced Off Auto Speech detector is an adaptive threshold and is very useful in noisy environments as the microphone will only trigger 6dB above the background noise Auto Music Detector is designed to detect music Manual Detector Level setting can be set so that the channel triggers on a specific level of sound 40dB to OdB Detector Forced On is used to make the selected channel appear triggered even when no sound is present This can be useful for setting a particular microphone to be the ambient microphone of a system rather that use the last one on function or used in conjunction with external control as a manual mixer Detector Forced Off is used to make the selected channel never trigger on sound It can be used in conjunction with external control as a manual mixer Hold Time Hold time is the time a microphone channel is below trigger level before it releases the lockout bus The Hold time is adjustable with 5 settings 50mS 200mS 500mS 1 Second 2 Seconds The fastest setting will allow microphones to switch on the slightest break in the speech Sometimes it is desirable to extend this time E g Voice over music applications might need the longest hold period NOMA Number of
11. button is pressed again the ChB gain flashes to indicate independent setting of the output channel B nominal output gain When the gt Function button is pressed again the Channel A source flashes to indicate which common bus the local output A should use as its source This can be set for Off Bus X Bus Y or Bus X and Bus Y When the gt Function button is pressed again the Channel B source flashes to indicate which common bus the local output B should use as its source This can be set for Off Bus X Bus Y or Bus X and Bus Y Functions of Channels 1 8 Mono Stereo The MR88 can be set so that Channels 1 amp 2 3 8 4 5 amp 6 or 7 8 8 are considered as a stereo pair This reduces the number or setups required for a stereo music source Each stereo pair has only one setting for Input Level compression EQ Output priority gate attenuation detector and hold time Gain adjustments for the Left and Right Channels can be linked or independently set Line Mic Phantom This sets the nominal input level to mic level 48V phantom power mic level without phantom power or line level Gain Control Pre Amplifier The MR88 has a substantial gain range 40 to 20dB allowing the use of a variety of microphones and line inputs Generally if the level has been set to the correct type in the previous menu only small changes should be necessary The LED meter displays the individual selected input channel level and the headphone monitor
12. cations The MR88 uses microprocessor control and provides full setup and control of the mixer via a user friendly LCD interface on the front panel This allows the mixer settings to be selected and adjusted without the need to remove the case covers All settings are retained even when the mixer is disconnected from the mains power supply The mixer front panel can be easily locked with an adjustable four digit security code to prevent the mixer settings being accidentally changed or to tamper proof the settings The MR88 also has the ability to be daisy chained with other MR88 mixers via a link cable available separately to give a multi mixer system Page 3 Features Input Features 8 Channel balanced mic line inputs on XLR connectors 48V phantom power selectable for each microphone input channel Assignable input pairs for stereo sources Adjustable compressor for each input channel 2 Band Equalisation on each input channel Adjustable off attenuation for each channel Detector modes for speech music and manual threshold level Adjustable detector hold time for each input channel Four levels of assignable priority for each input channel Recorder outputs for each input channel NOMA compensation selectable for each channel Assignable to either or both output channel busses Output Features 2 Channel balanced line outputs on XLR connectors Independent or linked gain control of output channels Mixed output avai
13. cking process After the 3 seconds the mixer will display Mixer Locked How to Unlock the Mixer When the mixer is locked it will either display Locked Enter Code or Clockaudio MR88 To unlock the front panel controls press either the CHANNEL or FUNCTION buttons Enter the correct code using the rotary control and Function Buttons and press either the CHANNEL or FUNCTION buttons to unlock the mixer Lost Security Code If the security code is lost or forgotten the mixer can be reset to factory defaults by switching on the mixer with the gt CHANNEL and lt FUNCTION buttons held down This will restore the security code to 1234 and unlock the mixer All other settings are also reset so a full setup procedure must be carried out Page 21 Specifications Input Impedance 2 4kQ Differential Output Impedance Balanced 50Q Pre Amp Out 5600 Max Input Level Mic Level 23 dBV Line Level 16 dBV Max Output Level 19 dBV Nominal Output Level at 0 dB on Meter Pre amp Out 10 dBV Balanced 60 dBV to 4 dBV Level set on front panel Frequency Response 20Hz to 20kHz THD N 70 dB Max NOMA Attenuation 20 dB Phantom Power 48V Power Supply 15Vdc 3 4A External Power Supply with 2 1mm connector Notes ve connected to centre pin ve is connected to chassis ground internally Operating Temperature 0 to 40 C Dimensions W483mm x D215mm x H44mm
14. ea Extemal Control Link tn Input Channels CLOGKA Input A ue A Oo g Outputs 00 0 0 0 0 A B_ Pre Amp Outputs External Control Connector Provides access to the open collector outputs the external control inputs and the two VCA connections RS232 Connector For control and setup of MR88 mixers Control extends through link connections to multiple mixers Link In Out Used for daisy chaining of multiple MR88 mixers when more than 8 input channels are required Uses standard RJ45 network leads Balanced Outputs The MR88 has two XLRM type connectors with individually or linked adjustable output gains to give nominal output levels of 60 to OdBV This can be setup to be controlled by external VCA s for remote operation Pre Amp Outputs Individual channel 10dBV outputs on RCA phono connectors for tape recording pre mix channels Source Inputs XLRF type connectors Balanced inputs for low impedance dynamic or condenser microphones line inputs and audio equipment CD players etc Input gain adjustable from front panel 48V phantom power can be selected from front panel for microphones 7 Power Input External 15V power supply Page 6 MR88 Menu Functions Navigation through the menu system is via the CHANNEL lt gt and FUNCTION lt buttons The table below illustrates the structure of the menu ompun ona One Channel Mono Mono A
15. ir is placed as mono onto the Output Bus Y When set to Output Bus X Y the pair is placed as mono onto the Output Bus X and as mono onto the Output Bus Y When set to Stereo output the lower input channel number of the pair is placed on Output Bus X and the higher input channel number to Output Bus Y When the output is set to OFF the channel is removed from detection and priority Because the monitor for a channel is active whenever the channel is selected setting the input channel parameters on a live system without affecting the output is possible Priority Select Function The priority of each microphone channel can be selected using this function Each can be set from 1 to 4 Channels set to the higher priority override channels with a lower priority The mode of operation for channels with the same priority can be set in the system menu This can be inclusive or exclusive Microphones that are locked out or overridden are attenuated The level of attenuation can be adjusted using the gating level control for each channel Gating Off Attenuation Level Control Sets the level of off attenuation 6dB 40dB or muted for each channel When the number of microphones in use is high it may be necessary to increase the amount of off attenuation per microphone to keep the total ambient noise level low Page 11 Detector Adjustable Detector Control Detector The MR88 gives comprehensive control over channel detection Channels
16. ity 2 mode Inclusive Exclusive Priority 3 mode Inclusive Exclusive Priority 4 mode Inclusive Exclusive Last Active Channel On Off Security Lock Code 0000 9999 change digit 1 Security Lock Code 0000 9999 change digit 2 Security Lock Code 0000 9999 change digit 3 Security Lock Code 0000 9999 change digit 4 Control Outputs High Low Control Inputs Force off Force on VCA Control VCA1 off VCA2 off VCA1 ChA VCA2 off VCA1 ChB VCA2 off VCA1 ChA B VCA2 off VCA1 ChA VCA2 ChB Manual Detector Manual Detector Manual Detector 40dB to 0dB 40dB to 0dB 40dB to 0dB NOMA NOMA NOMA On Off On Off On Off Page 8 Changing Channels and Functions On power up if the MR88 is not locked the channel is set to Output A B and the function to Gain Channel A and B Pressing the CHANNEL buttons move forwards and backwards through Channels 1 to Channel 8 System and Output A B channels The FUNCTION buttons move up or down through the available functions for each channel Changing Values To change the values of each function simply turn the Rotary Control to display the desired value Page 9 Explanation of Functions Output A B Functions Output ChA and ChB Gain Linked control of the output channels A and B nominal gain When the gt Function button is pressed the ChA gain flashes to indicate independent setting of the output channel A nominal output gain When the gt Function
17. l In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 VCA1 Top VCA1 Wiper VCA1 Gnd VCA2 Top VCA2 Wiper VCA2 Gnd Control Port Page 14 3 Relays can be wired as follows Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Control In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 Gnd Gnd 5V VCA1 Top VCA1 Wiper VCA1 Gnd VCA2Top VCA2 Wiper VCA2 Gnd 24V Relay Control Port Page 15 Control Inputs Each channel has a force closure input to OV This menu sets the sense of the closure switch Force Off means that a shorting switch would force a channel off Force On means that a shorting switch would have to be closed to allow a channel to be active Any channel can only become active if the detector and priority allow it to External wiring for switches to control the channels is as follows Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Control In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 Gnd Gnd 5V VCA1 Top VCA1 Wiper VCA1 Gnd VCA2Top VCA2 Wiper VCA2 Gnd Channel 8 Channel7 Channel 6 Channel 5 Channel 4 Channel 3 Channel 2 Channel 1 Control Port To control multiple channels on one switch
18. lable from any mixers in chain for multi zone control System Features Easy set up with LCD display of all functions and settings from front panel LED level meter to monitor any input or output channel Monitor headphone output to monitor any input or output channel Mixers can be linked to create larger systems of microphones Each priority can be set for inclusive all channels active or exclusive one at a time operation Selectable last microphone on operation to maintain ambient sound Security mode to protect settings External VCA control of output channel gains External logic level control and monitoring of channel selection Page 4 MR88 Front Panel lt CT Power Switch Display Displays selected channel function and settings for each Channel Buttons Select between System settings Output channels A and B and Input Channels 1 8 Function Buttons Selects set up functions for each channel Rotary Control Adjusts the settings on each function LED Level meter Indicates peak output level of the selected channel in dB The Selected Channel LEDs indicates which microphone is currently in use and which other microphones are being locked out attenuated Green is active and Red is locked out Monitor Volume Control Adjusts headphone amplifier volume Headphone Output 1 4 TRS jack Monitors the selected channel Page 5 MR88 Rear Panel S292 Link Out n
19. ns tidad arado sbeses eadessaataanteauenaces 20 SCOUT Oy A TEO 21 How to Change the Security Code sxe soca cet nay dias endian anata eadieiss 21 How to Lock the Mixer ui iia 21 How to Unlock the MIR att e iraa ot 21 A O O 21 A A saan sos cass face cada Succeeds E E A AA EAT 22 Page 2 INTRODUCTION The MR88 automatic microphone mixer incorporates advanced DSP technology It has been carefully designed to give outstanding performance and flexibility while maintaining simplicity of set up and use Eight input channels fully adjustable for microphone and line levels can be set up to be put onto either or both of the two output channels Active input channels can be automatically detected Each input channel can be set to a multi level priority system This allows one at a time operation all channels active or combinations with chairman priorities When no one is talking a constant ambient sound can be maintained through the system by setting the last microphone selected to automatically stay on Mixers may be chained together to make a large multi source system with priority and NOMA information extending throughout With two independent output channel busses provided the MR88 to be used as a genuine 8 X 2 mixer The input level control and priority system of this mixer makes it uniquely versatile for many diverse applications The MR88 mixer is ideal for places of worship courtroom proceedings meetings seminars and general A V appli
20. p the MR88 without the use of the front panel In a multi mixer system the RS232 can be plugged into any of the mixers in the system and the mixer to be set up selected from the program The MR88 s are automatically addressed from 1 to n when they are linked together Page 19 Installation 1 If rack mounting fit the mixer to the rack before commencing with the rest of the set up 2 Connect 15 V DC power supply provided to the 2 1mm DC connector on the rear panel 3 Turn the mixer on using the Power switch on the front panel Basic Set up for Microphones 1 Connect a microphone to any input channel 2 Using the CHANNEL button select the appropriate channel 3 Use headphones in the Monitor Socket 4 Select Mono or Stereo 5 Select Level as appropriate Microphone or Microphone Phantom power as required 6 Adjust the Gain so that the Level Indicator peaks at OdB when speaking loudly into the microphone 7 Adjust Compression to get the quietest sounds to the required level 8 Adjust the EQ Low and EQ High for the required tonal quality 9 Select Output to Bus X Bus Y or Both Busses as required 10 Select Priority as required 11 Set the Gate Attenuation Off Attenuation to the level that is required when the microphone is not active This can be set to between 6dB and 40dB and completely muted 12 Set the Detector Type to Auto speech detection 13 Set the Hold time setting required 50mS 100mS 200mS 500mS
21. ystem If used in a multiple mixer linked system all mixers need to have this system option set Security Code The 4 digit code displayed is the current security code This can be changed by simply turning the Rotary Control to change each digit and by pressing the FUNCTION buttons to select the digits Page 13 Active Control Outputs The MR88 has 8 open collector outputs one per microphone channel These can be used for external control for activating cameras lights etc upon detecting speech The open collector outputs can sink 500mA each with a maximum collector voltage of 50V DC This allows a variety of external devices to be driven from the mixer For extra flexibility the MR88 can be set so that these outputs are either HIGH or LOW when the channel is active Examples 1 Externally powered lamps can be wired as follows Max 500mA Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Control In 8 Control In 7 Control In 6 Control In 5 Control In 4 Control In 3 Control In 2 Control In 1 Gnd Gnd 5V VCA1 Top VCA1 Wiper VCA1 Gnd VCA2Top VCA2 Wiper VCA2 Gnd Control Port 2 High efficiency LED s can be powered from the auxiliary 5V pin 10 on the control port The maximum current allowed from this pin is 100mA Control Out 1 Control Out 2 Control Out 3 Control Out 4 Control Out 5 Control Out 6 Control Out 7 Control Out 8 Contro
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