Wohler AMP1-E8DA User Manual Download Page 10

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821016: AMPx-E8 Series User Guide
© 2011 Wohler Technologies, Inc. All rights reserved.

Preface

What’s New

What’s New

This release provides several changes and functionality enhancements:

•

3G functionality (now available in 1RU!)

•

Signal termination moved to software control

•

Phase Bits on page 67

•

Bitstream Detection on page 66

Functionality Enhancements

In adding the 3G functionality, we have also discontinued the MDA-

only models as shown in the following table:

Moreover, we are replacing some other similar products as well.

Software Termination

In this release, all terminations are no longer on the rear panel; they are

now controlled by the software. Refer to

Terminating/Unterminating

Inputs on page 40

for details.

Old Version

New Version Replacement

Suggestions

AMP2-E8MDA (PN 8102-0020)

AMP1-E8MDA-3G (PN 8102-0070)
AMP2-E8MDA-3G (PN 8102-0080)

Old Version

New Version Replacement

Suggestions

AMP2-E8DA (PN 8102-0010)

AMP1-E8DA (PN 8102-0060)
AMP2-E8DA (PN 8102-0130)

Summary of Contents for AMP1-E8DA

Page 1: ...AMPx E8 Series AMP1 E8DA AMP1 E8MDA 3G AMP2 E8DA AMP2 E8MDA 3G 2RU Dolby Multi Format Analog Digital Audio Monitors User Guide Part Number 821016 Revision E ...

Page 2: ... merchantability or fitness for a particular purpose Wohler Technologies Inc reserves the right to change or improve our products at any time and without notice In no event will Wohler Technologies Inc be liable for direct indirect special incidental or consequential damages resulting from any defect in the hardware software or its documentation even if advised of the possibility of such damages S...

Page 3: ...3G x Software Termination x Rear Panel Connector Arrangements xi Chapter 1 Installation 1 Introduction 1 Overview 1 Topics 1 Safety 2 Important Safety Instructions 2 Safety Symbols 3 FCC Compliance 3 Unpacking 3 Installation Recommendations 4 Mounting 4 Heat Dissipation 4 Sympathetic Vibration 4 Mechanical Bracing 5 Audio Connections and Cable Recommendations 5 Electrical Interference 5 Power 6 ...

Page 4: ...er Interface 12 Multi Mode Color Codes 12 Menu Navigation 13 Rear Panel Connectors 14 Input Connectors 14 Input Connectors 16 Output Connectors 17 Programming and Remote Access Connectors 20 RS 232 Connectors 20 Remote Connector 20 Rotary Switches 21 Monitoring Inputs 22 System Overview 22 Monitoring an Analog Input 23 Monitoring an AES Input 23 Monitoring an SDI Input 24 Monitoring a Dolby Input ...

Page 5: ...kers 33 Phase Correlation 34 SDI Inputs 35 Selecting SDI Groups and Subgroups 35 Dolby Decode Mode Disabled 35 Dolby Decode Mode Enabled 36 Configuring for SDI Delay 37 Selecting the Input Signal 38 Setting the Monitor s Startup Configuration 39 Terminating Unterminating Inputs 40 Chapter 4 Presets 43 Introduction 43 Overview 43 Topics 43 What are Presets 44 Methods of Accessing the Presets 44 Set...

Page 6: ...tion 49 Overview 49 Topics 49 Dolby Input Source Selection 50 Dolby Decoding 50 PCM 51 Dolby Metadata 52 Chapter 6 Setup Menu 55 Introduction 55 Overview 55 Topics 55 Accessing Setup Mode 56 Analog Output Preference Mode 58 Recalling a Preset 58 Saving a Preset 59 Creating a New Preset 60 Overwriting an Existing Preset 61 Preset Mode 63 Erasing a Preset 63 SDI Delay 64 Startup 65 Surround Gain 65 ...

Page 7: ...2011 Wohler Technologies Inc All rights reserved vii Chapter 7 Features and Specifications 69 Introduction 69 Overview 69 Topics 69 Features 70 Common Features 70 Model Distinctions 71 Specifications 71 Technical Functional Overview 74 ...

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Page 9: ...User Guide 2011 Wohler Technologies Inc All rights reserved ix Preface Introduction Overview The preface lists the new features and functionality for this release Topics Topics Page What s New x Functionality Enhancements x ...

Page 10: ...ity we have also discontinued the MDA only models as shown in the following table Moreover we are replacing some other similar products as well Software Termination In this release all terminations are no longer on the rear panel they are now controlled by the software Refer to Terminating Unterminating Inputs on page 40 for details Old Version New Version Replacement Suggestions AMP2 E8MDA PN 810...

Page 11: ...s Inc All rights reserved xi Preface Functionality Enhancements Rear Panel Connector Arrangements Note that in the process of redesigning the AMPx E8 Series monitors we have rearranged the rear panels Refer to Appendix A on page 79 for remapping information ...

Page 13: ...he front panel controls and the rear panel connectors in detail It also describes how to use the front panel user interface for data display and system configuration Configuration procedures are covered in detail in Chapter 3 on page 27 Topics Topics Page Introduction 1 Safety 2 FCC Compliance 3 Unpacking 3 Installation Recommendations 4 Installation 6 ...

Page 14: ...on or pinched particularly at plug s source on the equipment and at the socket 8 Use only the attachments accessories specified by the manufacturer 9 Unplug the equipment during lightning storms or when unused for long periods of time 10 Use of a cart is neither recommended nor approved by Wohler 11 Refer all servicing to qualified service personnel Servicing will be required under all of the foll...

Page 15: ...rdance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Unpacking Unpack the AMPx E8 Series monitor and inspect for any apparent physical damage that may have occurred in transit If the uni...

Page 16: ...s not exceeded Otherwise allow a 1RU 1 75 44 45mm space above and below the unit for air circulation Sympathetic Vibration Sympathetic vibration from other equipment cables etc in the rack may be serious enough to interfere with the unit s sound quality The use of thin card stock and or felt or foam weather stripping type Note We recommend you retain the shipping carton for future use Clearance Su...

Page 17: ...or feeding HD SDI signals sources to the HD SDI inputs of the AMPx E8 Series units and that you use a Belden 1694A cable or equivalent Electrical Interference Be careful to apply proper input termination settings and avoid mismatched cable types and other similar causes of undesired reflections in digital signal systems If severe enough such reflections can result in corruption of the digital data...

Page 18: ...lation Initial Setup 1 Carefully install the monitor into a standard 19 rack 2 Connect all signal cables to and from associated equipment 3 Connect the power cord from the monitor to A C mains Power Up The AMPx E8 Series monitors are factory configured so that all settings are non volatile When power to the unit is cycled off on the unit will restore itself so that each setting such as channel sel...

Page 19: ...ystem Overview Introduction Overview This chapter describes how to install the AMPx E8 Series monitor into a standard 19 rack and how to connect the audio cables Topics Topics Page Introduction 7 Front Panel Controls 8 Rear Panel Connectors 14 Monitoring Inputs 22 Channel Selection and Mixing 25 ...

Page 20: ...dio level meters four on the left side four on the right side These level meters high resolution LED bar graph displays and feature a dynamic range of 66 dB with PPM dot over VU bar ballistic characteristics Headphones 1 4 Jack Select the headphone audio sources as you would for the internal speakers When you plug in headphones the speakers will mute Volume Rotary Knob This control adjusts the lou...

Page 21: ...eaker Assign Volume LCD Screen Balance Metadata Pairs Down Left Single Up Dolby Enter Right Up Escape Brightness Mute Phase Function Group Setup Input Downmix Speaker Assign Presets Speakers Speaker Assign Presets Meters Speaker Assign LEDs Speaker Headphones Meters Speaker Assign LEDs Volume LCD Screen Balance Brightness R Metadata Pairs Down Left Single Up Dolby Enter Right Escape Brightness L M...

Page 22: ...us parameters and settings and is also used to configure program the monitor The features of the LCD screen shown in Figure 2 3 through Figure 2 6 include Mix Status Displayed on the top right and top left corners of the LCD screen the Mix Status indicates how the current input signal is mixed to the internal speakers Source Status Displayed in the top center of the LCD screen the Source Status in...

Page 23: ...The unit updates the Input Lock Status whenever it detects a signal change See Figure 2 3 below through Figure 2 6 on page 12 for additional examples Figure 2 3 Status Display Example Standard Input Source SD SDI Input 2 Figure 2 4 Status Display Example Standard Input Source HD SDI Input 1 DM3 SD SDI2 DM3 1 3 5 7 2 4 6 8 GP1 GP2 Source Status SD SDI Input 2 Mix Status Downmix 3 Mix Status Downmix...

Page 24: ...nels have color coded legends to help identify the different functions of each button White indicates normal operation PG1 BSt1 PG1 E Source Status Bitstream 1 Program Status Program 1 Program Status Program 1 Bitstream Type Dolby E PG1 BSt2 PG1 D Source Status Bitstream 2 Program Status Program 1 Program Status Program 1 Bitstream Type Dolby D Table 2 1 White Control Functionality Button Function...

Page 25: ...tion Group Selects the channel groups and subgroups for an SDI signal Mute Mutes the audio currently playing in the front panel speakers Table 2 2 Blue Control Functionality Button Functionality Fn Single Selects single channel monitoring mode one channel per speaker selected independently Fn Pairs Selects pair monitoring mode one channel per speaker selected pair by pair Fn Downmix Selects downmi...

Page 26: ...nnecting downstream equipment then you should terminate the selected input connector Otherwise unterminate them AES PCM In and Loop Out DB 25 F This connector accepts balanced 110 AES signals Inputs are internally connected to the loop through outputs These inputs are referred to as AES2 in the LCD screen If you are connecting downstream equipment to the AES loop through outputs of this connector ...

Page 27: ... 1 2 SDI Re Clocked Out Reference AES Bal In Loop Out AES PCM In 1 thru 4 Analog In Selected Downmix Analog Out L R AES Out from SDI RS 232 B Metered Analog Out Decoded Dolby E AC 3 Out 1 thru 4 Mix and In 1 2 RS 232C RS 232 A OPT 1 Power RS 232C SDI In 1 2 SDI Re Clocked Out Ref AES Bal In Loop Out Analog In Selected Downmix Analog Out L R Remote Metered Analog Out AES PCM In 1 thru 4 Decoded Dol...

Page 28: ... as AES2 in the LCD screen If you are connecting downstream equipment to the AES loop through outputs of this connector then you should unterminate this connector If you are not connecting downstream equipment then you should terminate them Refer to Terminating Unterminating Inputs on page 40 for details Figure 2 10 AES PCM Input and Loop Through DB 25 Pin Out Dolby E AC 3 In 1 and 2 BNC F These c...

Page 29: ...utput Connectors Metered Analog DB 25 This connector outputs the analog signal that is displayed on the front panel level meters The pin out information for this DB 25 is identical to that of the Analog Input connector See Figure 2 8 on page 15 3G HD SD SDI Re Clocked Out BNC This connector outputs a re clocked copy of the SDI signal fed to the SDI input connector selected for monitoring When an S...

Page 30: ...out the HD 15 connectors into separate BNCs Figure 2 11 AES Unbalanced Out from SDI HD 15 Pin Out Optional Balanced AES Output from SDI Input DB 25 This connector outputs de embedded audio The last SDI input and group selection determine which audio pairs are de embedded on these 110 unbalanced AES outputs No other monitoring function affects these outputs Embedded Dolby signals are presented here...

Page 31: ...formation is on page ii of this document Figure 2 12 AES Balanced Out from SDI DB 25 Pin Out Selected Downmix Analog Out Left and Right XLR M These connectors are balanced analog outputs of the speaker assign or downmix source as selected for the left and right speaker channels See the pin out diagram in Figure 2 13 on page 19 Figure 2 13 XLR M Pin Out AES Bal In Loop Out DB 25 This connector cont...

Page 32: ...the DA models This connector is used for downloading programming setup and diagnostic information into and out of the 3G card Remote Connector Remote DB 9 2RU models only When equipped with the optional RC4 4 interface board and configured in software this connector not RS 232 provides limited remote control and status reporting with GPI O signals four inputs Controls 1 through 4 and four outputs ...

Page 33: ... upgrade function In Table 2 8 below the analog reference level analog left column is the analog input level needed to activate the bar graph segment at the associated digital reference level digital right 8 Channel Select 1 Control Input 9 Type Select 1 Control Input Table 2 5 RC4 4 Connector Interface Pin Out Pin Description Note For more complete information about the functionality of the Remot...

Page 34: ...speakers Referring to the AMPx E8 Series rear panel diagrams Figure 2 8 and 2 9 on page 15 and the front panel controls Figure 2 1 and Figure 2 2 on page 9 follow the instructions below by signal connector type Table 2 8 Reference and OPT2 Setting Values and Definitions Position Reference Level Function Analog dBu Digital dBFS 0 8 20 1 4 2 0 3 0 18 4 6 9 5 4 18 6 Custom Settings for Alternate Scal...

Page 35: ...r Connect a balanced AES signal to the rear panel AES Bal In Loop Out DB 25 2 On the front panel press the Input button until the LCD screen displays the corresponding input you want to monitor AES1 for an unbalanced signal connected to BNC 1 AES2 for a balanced signal connected to the DB 25 3 Refer to Terminating Unterminating Inputs on page 40 to check set your termination settings 4 Continue on...

Page 36: ...ixing on page 25 Monitoring a Dolby Input To monitor a Dolby signal connect the Dolby input to the rear panel Dolby E AC 3 In 1 or In 2 BNC connector On the front panel press the Input until the LCD screen displays the Dolby input signal you want to monitor BSt1 for a signal to the Dolby E AC 3 In 1 BNC or BSt2 for a signal to the Dolby E AC 3 In 2 BNC 4 Refer to Terminating Unterminating Inputs o...

Page 37: ...rs will operate automatically displaying volume levels for each channel carrying an input signal Table 2 10 Speaker Assign Button Functionality Button Press LED Color Speaker 1st Steady Green Left 2nd Flashing Green Amber Both 3rd Steady Amber Right 4th Off Neither AES Example Suppose you are monitoring an AES pair connected to the unbalanced AES PCM In 1 When AES1 is selected for input the left c...

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Page 39: ...asy reference For information about presets refer to Chapter 4 Presets on page 43 For information about using the Dolby features refer to Chapter 5 Dolby on page 49 Topics Topics Page Introduction 27 Analog Output Preference 28 Monitoring and Mixing Modes 29 Muting the Speakers 33 Phase Correlation 34 SDI Inputs 35 Selecting the Input Signal 38 Setting the Monitor s Startup Configuration 39 Termin...

Page 40: ...n settings intact as determined by the selected downmix However if you select Discrete then all channels with the downmix are output from these connectors at full gain without scaling of the channels as determined by the selected downmix To change the analog output settings 1 Hold the Fn button while pressing the Setup button 2 Press the Down button until the LCD screens AOutPref as shown in Figur...

Page 41: ... the upper right and left of the display See Figure 3 4 below for an example Figure 3 4 LCD screen Speaker Assign 2 Each subsequent press of a speaker assign button assigns the selected channel to the left both right or neither speaker channel All eight channels may be mixed summed in this way With each successive button press the color of the associated speaker assign LED and the mixing routing o...

Page 42: ...cycle through the channel selections for the left speaker Likewise press the Right button to cycle through the channel selections for the right speaker Pairs This mode allows you to quickly assign one pair of channels to the speakers The selections are limited to Channels 1 2 3 4 5 6 and 7 8 In all cases the odd channel is sent to the left speaker and the even channel to the right This mode is mos...

Page 43: ...ons to enable Downmix mode 2 Press the Left or Right button to cycle through the seven available Downmix types to monitor through the speakers DM1 This downmix is most suitable for a loudspeaker or headphone downmix of a multi channel program Left and left surround input channels mix into the left speaker right and right surround input channels mix into the right speaker Center input speaker assig...

Page 44: ...gram DM2 You can use this downmix to create a two speaker assign that can be further decoded to multi channel program by the use of an external surround decoder Contribution of the surround speaker Assign is set by the surround level entry in the Setup Menu DM2 is equivalent to the Japanese ARIB Set 2 downmix formula See Figure 3 8 below Figure 3 8 DM2 Mix Diagram ...

Page 45: ...and Channels 5 through 8 are summed to the right speaker MXA and MXB Select one of these two downmixes to custom mix by adding Channels 1 through 8 into the left or the right speakers using the Speaker Assign buttons MIX This mode appears whenever the Speaker Assign buttons are pressed The selection made in this mode is lost whenever another mode is selected or a preset is recalled Presets saved i...

Page 46: ...on displays the phase correlation indicator in the LCD screen The average correlation phase for the signal going through the left speaker compared to the signal going through the right speaker is indicated by a stationary block appearing in one of three positions on the second line of the screen A moving block indicates an instantaneous short term sample phase correlation Each of the three positio...

Page 47: ...e Figure 3 10 Phase Correlation Display A mono in phase signal fed to both right and left speakers would result in the block being in the right most position indicating the left and right speaker signals are phase identical 2 Press any button to return to normal operation SDI Inputs Selecting SDI Groups and Subgroups Dolby Decode Mode Disabled When you select either of the SDI inputs for monitorin...

Page 48: ...llows you to select the SDI sub group two channels to send to the Dolby decoder You can select either of the two available sub groups within any of the SDI audio Groups 1 2 3 or 4 The embedded channels within an SDI signal are defined in Table 3 4 below Table 3 3 SDI Group Select Button Press Left Bar Graph Bank 1 through 4 Right Bar Graph Bank 5 through 8 1st Group 1 Group 2 2nd Group 3 Group 4 3...

Page 49: ...up button 2 Press the Down button until the LCD screens SDI Delay as shown in Figure 3 11 below Figure 3 11 SDI Delay in the Setup Menu 3 Press the Enter button to select the option The LCD display to an image similar to that shown in Figure 3 12 below Example G11 2 will appear on the bottom left hand side of the LCD screen when the user wants to monitor a bitstream in the first sub group of Group...

Page 50: ...scape button to return to normal operation Selecting the Input Signal While the system is in normal operation press the Input button to cycle through each of the five selections The selection is enabled when it appears in the LCD screen Pressing the Enter button is not necessary Analog AES AES1 Unbalanced AES2 Balanced SDI not available in the DA model Auto SDI or Auto SDI2 if no signal is present...

Page 51: ...uttons 2 Press the Down button until the LCD screens Startup as shown in Figure 3 13 below Figure 3 13 Startup Menu Option 3 Press the Enter button to display the Startup list 4 Press the Up or Down buttons to scroll through the startup options Note that only those options that are available in your system will show up in the list Last Used Analog AES 1 AES 2 SDI 1 SDI 2 BSt1 BSt2 SDI 1 DBY SDI 2 ...

Page 52: ...minated at the last device in the signal path Terminating the signals properly improves signal integrity and ensures the signal will be received correctly by all the devices in the signal chain In the AMPx E8 monitors the terminations are set to Enabled by default for all inputs To change the termination settings 1 Hold the Fn button while pressing the Setup button 2 Press the Down button once The...

Page 53: ... Up or Down arrow buttons until Save and Exit appears in the LCD as shown in Figure 3 17 below Figure 3 17 Saving and Exiting the Termination Settings 7 To exit the Setup menu without saving your changes press Escape In a system with a Dolby card the termination selection order is Unbalanced 1 Unbalanced 2 Unbalanced 3 Unbalanced 4 Balanced 1 Balanced 2 Balanced 3 Balanced 4 Bitstrm 1 Bitstrm 2 Sa...

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Page 55: ...eserved 43 CHAPTER 4 Presets Introduction Overview This chapter describes how to create recall modify and erase presets It also discusses using Preset mode for fast system configuration Topics Topics Page Introduction 43 What are Presets 44 Methods of Accessing the Presets 44 ...

Page 56: ...or erased through the Setup menu 1 Press Fn Setup to enter the Setup menu 2 Use the Up and Down arrow buttons to select Save Preset Erase Preset or Recall Preset 3 Then press the Enter button Each of these menu items is described more fully in Chapter 6 Setup Menu on page 55 Preset Mode This mode of operation is intended for situations where a number of pre defined unit configurations is all you n...

Page 57: ... first available preset Subsequent presses will cycle through all the available presets Speaker Assign Preset Buttons Presets 1 through 4 Only Presets 1 through 4 get special attention You can recall save or overwrite them simply by pressing Fn Preset x where x represents the corresponding Speaker Assign button immediately above or below the meters on the left side of the unit In the following exa...

Page 58: ...l appear in the LCD If you press Enter the system will recall the preset Overwriting a Preset If after pressing Fn Preset 1 the preset is not empty the system will prompt you to recall Preset 1 and Preset 1 s name will appear in the LCD 1 If you press Escape while the preset recall prompt is showing the system will ask you if you want to overwrite the preset If you want to overwrite the preset wit...

Page 59: ...s Press Enter to accept the character repeat the process until all the characters have been entered 6 When all the characters have been entered scroll until _DONE_ appears in the window and press Enter If you do not want to overwrite the preset press Escape again and the unit will be returned to normal operation without recalling Preset 1 or modifying it in any way Note _DONE_ is located between t...

Page 60: ......

Page 61: ...nc All rights reserved 49 CHAPTER 5 Dolby Introduction Overview This chapter describes how to enter Dolby decode mode to get the most out of your Dolby signal Topics Topics Page Introduction 49 Dolby Input Source Selection 50 Dolby Decoding 50 Dolby Metadata 52 ...

Page 62: ... HD SDI signal is present and auto detected 3G SDI signal is present and auto detected 3 If one of the SDI inputs is selected pressing the Group button selects the de embedded SDI pair to be decoded Figure 5 1 Dolby Input Source Selection Dolby Decoding When you connect a valid bitstream containing at least one multi channel program such as a 5 1 or 7 1 channel surround type to the AMPx E8 Series ...

Page 63: ...d right corners of the LCD screen where N is the Dolby assigned program number Figure 5 2 Dolby E Bitstream 1 Program 1 When Dolby Decode mode is enabled and a valid signal is detected Dolby E or Dolby D will show up on the bottom right hand corner of the LCD screen for Dolby E or Dolby Digital signals respectively Dolby bitstreams can be fed into Dolby BSt1 or BSt2 a k a bitstream inputs labeled ...

Page 64: ...erties of the selected Dolby channels in approximately the following order Audio encoding format and bit depth e g Dolby AC 3 Dolby E 20 bit Data rate e g 32 384 640 Program configuration e g 5 1 2 4x2 3x2 Video frame rate e g 29 97 30 Audio coding e g 3 2 2 0 Dialog normalization 0 to 31 dB Bitstream mode e g complete main music effects Surround mode e g srnd not indicated not Dolby srnd Surround...

Page 65: ...ogram 1 Bitstream 1 Encoding Format and Bit Depth Program Configuration Video Frame Rate Audio Coding Dialog Normalization Bitstream Mode Surround Mode Surround Mix Level Center Mix Level PG1 BSt2 PG1 D Dolby AC 3 448kbps Audio Coding 3 2 DialNorm 27dB Complete Main Srnd NotIndicated PG1 BSt1 PG1 Normal Operation Dolby D Program 1 Bitstream 2 Encoding Format Data Rate Audio Coding Dialog Normaliza...

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Page 67: ...er explains the options in the Setup menu Figure 6 1 on page 56 provides a structural overview Topics Topics Page Introduction 55 Accessing Setup Mode 56 Analog Output Preference Mode 58 Recalling a Preset 58 Saving a Preset 59 Preset Mode 63 Erasing a Preset 63 SDI Delay 64 Startup 65 Surround Gain 65 Bitstream Detection 66 Phase Bits 67 ...

Page 68: ...t 1 BSt 2 AES 1 AES 2 Analog SDI 1 DBY SDI 2 DBY Enter Esc Setup Srnd Gain Mute 9 dB 6 dB 3 dB Enter Esc Setup Erase PSet 0 through 9 Enter Esc Setup Pset Mode Enable Disable Enter Esc Unused No Choose Preset Num Preset0 DOLBY1 AES2 A BC Name A_ OVERWRITE PRESET Preset1 DOLBY1 Save Old Name Preset1 DOLBY1 Enter Esc Enter Esc Setup Menu AES Term Startup Srnd Gain Erase Preset Pset Mode Save Preset ...

Page 69: ...own in Setup Menu Tree on page 56 are Preset Recall RCallPSet Preset Save SavePSet Preset Mode PsetMode Preset Erase ErasePSet SDI Delay only available for the 3G model Surround Gain Srnd Gain Startup Analog Output Preference AOutPref After entering the Setup Menu the display will indicate the software version number and the menu selection RCallPSet if presets are saved To select the current optio...

Page 70: ...ain settings intact as determined by the selected downmix DM1 DM2 or DM3 In addition the channels are summed at unity gain into the speakers and headphones However if Discrete is selected then all channels within the downmix are output from these connectors at unity gain without scaling of the channels as determined by the selected downmix For example the center channel scaling is 3dB and the surr...

Page 71: ...set 5 Press the Enter button with the desired preset displayed to recall that preset The unit returns to normal operation reconfigured according to the settings in that preset Saving a Preset 1 Press the Fn Setup buttons to display the Setup menu 2 Press either the Up or Down buttons to display Save Preset 3 Press the Enter button Choose PresetNum Preset1 Off Air Choose PresetNum Preset7 Unused De...

Page 72: ...urrent letter shown in the display and move to the next letter Repeat this procedure until the display shows the name you want to use for this preset Figure 6 6 Completed Preset Name Selection Note To cancel the procedure at any time during this process press the Escape button and the preset will not be saved and the unit will return to normal operation Choose PresetNum Preset7 Unused AES 1 A BC N...

Page 73: ...g an already used preset will display a warning to the user that they are about to overwrite the preset as shown in Figure 6 4 below Figure 6 7 Overwriting a Preset 2 Press the Enter button to display Save Old Name Figure 6 8 on page 61 with the selected preset number and current name below it If you wish to use the name displayed press Enter and skip the rest of the following instructions Your cu...

Page 74: ...r you select eight characters or when you press the Enter button when _DONE_ appears on the display After naming the preset the current state of the system is saved under that name and preset number and the system returns to normal operation Important This concludes the procedure for overwriting an existing preset with the same name Studio A BC Name A_ Note Pressing the Enter button may display mu...

Page 75: ... Fn Setup 2 Use the Up and Down arrow buttons until PSet Mode appears in the LCD window and press Enter 3 Press the Up and Down arrow buttons to toggle between Disa disabled and Ena enabled Press Enter to accept the new setting or press Escape to cancel the change Either way you will be returned to the Setup menu 4 Press Escape again to return to normal operation Erasing a Preset This menu command...

Page 76: ... choose another preset to erase Figure 6 12 Erasing a Preset Select the Preset to Erase Press the Esc button to exit Setup Mode and return to Normal Monitoring Mode SDI Delay This feature allows you to change the amount of delay added to the de embedded audio signals from the SDI inputs This allows you to compensate for video processing delays in external video signal chains and monitors This sele...

Page 77: ...entry within the Setup Menu determines the input used by the unit at power up When set to Last Used the unit will power up the same way that the unit was before power was interrupted If instead you want to have the unit start up every time with the same input selected repeatedly press the Up Down buttons until the desired input is shown in the LCD Save the selection by pressing the Enter button Pr...

Page 78: ...PTE 337 and 338 standards This unit can only detect 16 bit preambles For example a 20 bit Dolby E stream would be passed as PCM audio instead of being flagged as an encoded stream This method is always employed In terms of Method B the upstream equipment must either assert or de assert this flag Unfortunately not all equipment does this correctly In those cases where the channel status flag is set...

Page 79: ...ents these bits correctly Normally this menu item should be left in the Ena enabled setting which means the phase bits are being used to properly time the audio samples that are being de embedded If you experience interrupted or garbled audio from the SDI deembedder try setting this to Ignor ignore which means the embedded phase words are ignored If this fixes the garbled audio please contact the ...

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Page 81: ...s and Specifications Introduction Overview This chapter details the features of each of the monitors in the series and provides the technical specifications It also outlines the distinctions between models Topics Topics Page Introduction 69 Features 70 Specifications 71 Technical Functional Overview 74 ...

Page 82: ... bar graph audio level meters provide accurate and instantaneous visual level monitoring at a glance Space saving 2 RU Dolby E AC 3 AES EBU and analog signal monitoring Four de embedded AES balanced or unbalanced outputs Eight channels from two selected SDI groups Four AES EBU balanced inputs and loop throughs on a DB 25 connector Eight analog inputs on a balanced DB 25 connector Eight analog outp...

Page 83: ...m AES Input Configuration 110 balanced 75 unbalanced Analog Input Overload 24 dBu balanced Analog Reference 8 6 4 or 0 dBu Digital Reference 20 18 or 9 dBFS Meter Dynamics AES Scale VU and PPM Level Meter Scale standard AESa AES Input Sampling Rate D to A Converter 32 to 48 kHz auto selected 24 bit low jitter Peak Acoustic Output at 2 ft 104 dB SPL Acoustic Distortion 6 or less at worst case frequ...

Page 84: ...Input DB 25 Selected Downmix Analog Out Left and Right XLR M AES Bal In Loop Out DB 25 Power Consumption 72 max AC Mains Input 100 to 240 VAC 50 to 60 Hz 2RU Model Chassis Dimensions 3 5 H x 19 W x 12 5 D 89 mm x 483 mm x 317 5 mm Depth including controls and knobs is 14 355 6 mm 1RU Model Chassis Dimensions 1 75 x 19 x 11 4 5 mm x 483 mm x 30 mm Depth including controls and knobs is 13 5 342 9 mm...

Page 85: ...ain Output Channel Assignments Dolby E Program configuration or Dolby Digital Coding Mode Main Output Channel Assignment Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 5 1 2 0L 0R 0C 0LFE 0Ls 0Rs 1L 1R 5 1 1 1 0L 0R 0C 0LFE 0Ls 0Rs 1C 2C 4 4 0L 0R 0C 0S 1C 1S 1L 1R 4 2 2 0L 0R 0C 0S 2L 2R 1L 1R 4 2 1 1 0L 0R 0C 0S 2C 3C 1L 1R 4 1 1 1 1 0L 0R 0C 0S 3C 4C 1C 2C 2 2 2 2 0L 0R 2L 2R 3L 3R 1L 1R 2 2 2 1 1 0L ...

Page 86: ...0R none 0LFE 0Ls 0Rs none none 2 2 Dolby Digital 0L 0R none none 0Ls 0Rs none none 3 1L Dolby Digital 0L 0R 0C 0LFE 0S none none none 3 1 Dolby Digital 0L 0R 0C none 0S none none none 2 1L Dolby Digital 0L 0R none 0LFE 0S none none none 2 1 Dolby Digital 0L 0R none none 0S none none none 3 0L Dolby Digital 0L 0R 0C 0LFE none none none none 3 0 Dolby Digital 0L 0R 0C none none none none none 2 0 Do...

Page 87: ...nalog Digital Input Select 1 2 3 D A Select A D Analog to Digital Digital Input Select 1 2 3 D A Select A D Digital Input Select 1 2 3 D A Select A D Balanced AES Inputs and Loop Through Outputs DB 25 Balanced Digital In 3 4 Balanced Digital In 1 2 Balanced Digital In 5 6 Balanced Digital In 7 8 Unbalanced Digital In 7 8 Unbalanced Digital In 5 6 Unbalanced Digital In 3 4 Unbalanced Digital In 1 2...

Page 88: ...ut Select 1 2 3 D A Select A D Analog to Digital Digital Input Select 1 2 3 D A Select A D Digital Input Select 1 2 3 D A Select A D Balanced AES Inputs and Loop Through Outputs DB 25 Balanced Digital In 3 4 Balanced Digital In 1 2 Balanced Digital In 5 6 Balanced Digital In 7 8 Unbalanced Digital In 7 8 Unbalanced Digital In 5 6 Unbalanced Digital In 3 4 Unbalanced Digital In 1 2 Dolby SDI In 1 2...

Page 89: ...igital Digital Input Select 1 2 3 D A Select A D Digital Input Select 1 2 3 D A Select A D Balanced AES Inputs and Loopthrough Outputs DB 25 Balanced Digital In 3 4 Balanced Digital In 1 2 Balanced Digital In 5 6 Balanced Digital In 7 8 Unbalanced Digital In 7 8 Unbalanced Digital In 5 6 Unbalanced Digital In 3 4 Unbalanced Digital In 1 2 Dolby SDI In 1 2 Dolby SDI In 3 4 Dolby SDI In 7 8 Dolby SD...

Page 90: ...put Select 1 2 3 D A Select A D Digital Input Select 1 2 3 D A Select A D Balanced AES Inputs and Loopthrough Outputs DB 25 Balanced Digital In 3 4 Balanced Digital In 1 2 Balanced Digital In 5 6 Balanced Digital In 7 8 Unbalanced Digital In 7 8 Unbalanced Digital In 5 6 Unbalanced Digital In 3 4 Unbalanced Digital In 1 2 Dolby SDI In 1 2 Dolby SDI In 3 4 Dolby SDI In 7 8 Dolby SDI In 5 6 AES MIX ...

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