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Wohler AMP1-S8DA, User Manual

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Wohler AMP1-S8DA User Manual Download Page 19

8 21 03 0 :

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7

CHAPTER 2

System Overview

Introduction

Overview

This chapter describes how to install the AMPx-S8 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

13

Monitoring Inputs

20

Channel Selection and Mixing

22

USO 

RESTRITO

Summary of Contents for AMP1-S8DA

Page 1: ...AMPx S8 Series AMP1 S8DA AMP1 S8MDA 3G AMP2 S8DA AMP2 S8MDA 3G 8 Channel Multi Format Analog Digital Audio Monitors User Guide Part Number 821030 Revision F USO RESTRITO...

Page 2: ...re and reviewed the documentation Wohler Technologies Inc makes no warranty or representation either express or implied with respect to software documentation their quality performance merchantability...

Page 3: ...viii Software Termination viii Rear Panel Connector Arrangements ix Chapter 1 Installation 1 Introduction 1 Overview 1 Topics 1 Unpacking 2 Safety 2 Important Safety Instructions 2 Safety Symbols 3 FC...

Page 4: ...ce 11 Multi Mode Color Codes 11 Menu Navigation 12 Rear Panel Connectors 13 Input Connectors 13 Output Connectors 15 Programming and Remote Access Connectors 18 RS 232 Connectors 18 Remote Connector 1...

Page 5: ...s 31 Configuring for SDI Delay 32 Selecting the Input Signal 33 Setting the Monitor s Startup Configuration 34 Terminating Unterminating Inputs 35 Chapter 4 Presets 37 Introduction 37 Overview 37 Topi...

Page 6: ...alling a Preset 46 Saving a Preset 47 Creating a New Preset 48 Overwriting an Existing Preset 49 Preset Mode 51 Erasing a Preset 51 SDI Delay 52 Startup 53 Surround Gain 53 Bitstream Detection 54 Phas...

Page 7: ...2013 Wohler Technologies Inc All rights reserved vii Preface Introduction Overview The preface lists the new features and functionality for this release Topics Topics Page What s New viii Functionalit...

Page 8: ...ed the MDA models as shown in the following table Moreover we are replacing some similar products as well that may also include other changes Software Termination In this release all terminations are...

Page 9: ...821030 AMPx S8 Series User Guide 2013 Wohler Technologies Inc All rights reserved ix Preface Functionality Enhancements USO RESTRITO...

Page 10: ...USO RESTRITO...

Page 11: ...ont 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...

Page 12: ...Read keep and follow all of these instructions heed all warnings 2 Do not use this equipment near water rain or moisture 3 Use only a dry cloth to clean the equipment 4 Do not block any ventilation op...

Page 13: ...upply cord or plug is damaged Objects have fallen onto the equipment or the equipment has been exposed to rain or moisture or liquid has been spilled onto the equipment The equipment does not operate...

Page 14: ...e in which case the user will be required to correct the interference at his own expense IC ECES 003 This Class A digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe...

Page 15: ...assis is securely attached to the front panel In addition the chassis has mounting tabs through which you attach it to the rack rail This feature will reduce or eliminate rear bracing requirements in...

Page 16: ...ometimes be obtained without it The internal circuitry ground is connected to the chassis Power The unit comes with a standard 24VDC 3 0 A internal power supply and connects an A C mains power source...

Page 17: ...ttings are non volatile When power to the unit is cycled off on the unit will restore itself so that each setting such as channel selection s input type and so on are automatically restored to the uni...

Page 18: ...821030 AMPx S8 Series User Guide 2013 Wohler Technologies Inc All rights reserved 8 Chapter 1 Installation Installation USO RESTRITO...

Page 19: ...verview Introduction Overview This chapter describes how to install the AMPx S8 Series monitor into a standard 19 rack and how to connect the audio cables Topics Topics Page Introduction 7 Front Panel...

Page 20: ...woofer bass speaker Note that the woofer channel is not a dedicated LFE sub woofer or center channel Level Meters 1 through 8 Source channels 1 through 8 are displayed through eight audio level meters...

Page 21: ...ssign Volume LCD Screen Balance Left Down Pairs Left Up Single Right Down Enter Right Up Escape Brightness Mute Phase Function Group Setup Input Downmix Speaker Assign Presets Top segment of each leve...

Page 22: ...more information about presets LCD Screen The LCD screen displays various parameters and settings and is also used to configure program the monitor The features of the LCD screen shown in Figure 2 3 t...

Page 23: ...whether they are used alone or in combination with another button The monitor s front panels have color coded legends to help identify the different functions of each button White indicates normal op...

Page 24: ...channel Selects the next higher numbered pair Right Down Like an Enter key Accepts changes or drills deeper into the menu structure Attaches the right speaker to the next lower numbered channel Select...

Page 25: ...g 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 inte...

Page 26: ...ocked Out Reference AES Bal In Loop Out AES PCM In 1 thru 4 Analog In Selected Downmix Analog Out L R Standard Unbalanced AES Out HD 15 can be replaced with Balanced AES Out from SDI DB 25 shown Meter...

Page 27: ...for monitoring in the unit SDI In 2 will be reclocked and connected to this output by default AES Unbalanced Out from SDI HD 15 This connector outputs de embedded audio The last SDI input and group se...

Page 28: ...ts 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 The pin o...

Page 29: ...nalog 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 Figur...

Page 30: ...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 inter...

Page 31: ...s to select the software upgrade function In Table 2 7 below the analog reference level analog left column is the analog input level needed to activate the bar graph segment at the associated digital...

Page 32: ...l connect the analog input to the rear panel Balanced Analog In DB 25 connector 2 On the front panel press the Input button until the LCD screen displays Analog Analog Analog Analog 6 Custom Settings...

Page 33: ...l connected to BNC 1 AES2 AES2 AES2 AES2 for a balanced signal connected to the DB 25 3 Refer to Terminating Unterminating Inputs on page 35 to check set your termination settings 4 Continue on to Cha...

Page 34: ...ing an input signal Table 2 9 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...

Page 35: ...ow are sorted alphabetically for easy reference For information about presets refer to Chapter 4 Presets on page 37 Topics Topics Page Introduction 23 Analog Output Preference 24 Monitoring and Mixing...

Page 36: ...ed by the selected downmix However if you select Discrete Discrete Discrete Discrete then all channels with the downmix are output from these connectors at unity gain without scaling of the channels a...

Page 37: ...he 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 l...

Page 38: ...hannel selections for the left speaker Likewise press the Right Up or Right Down buttons to cycle through the channel selections for the right speaker Pairs This mode allows you to quickly assign one...

Page 39: ...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 ch...

Page 40: ...M2 You can use this downmix to create a two speaker assignments that can be decoded to multi channel program by the use of an external surround decoder Contribution of the surround speaker Assign is s...

Page 41: ...gh 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...

Page 42: ...mute state is enabled Phase Correlation 1 Pressing the button displays the phase correlation indicator in the LCD screen The average correlation phase for the signal going through the left speaker com...

Page 43: ...ft speakers would put block being in the right most position indicating the left and right speaker signals are phase identical The block will be on the far left for signals that are completely out of...

Page 44: ...deo signal The delay affects only the audio not the video To change the SDI Delay setting 1 Hold the Fn button while pressing the Setup button 2 Press the Down button until the LCD screens SDI Delay S...

Page 45: ...o 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 th...

Page 46: ...until the LCD screens Startup Startup Startup 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...

Page 47: ...he 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 S8 monitors the terminati...

Page 48: ...or Down arrow buttons until Save Save Save Save and Exit and Exit and Exit 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 t...

Page 49: ...37 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 Int...

Page 50: ...up menu 2 Use the Up and Down arrow buttons to select Save Preset Save Preset Save Preset Save Preset Erase Preset Erase Preset Erase Preset Erase Preset or Recall Preset Recall Preset Recall Preset R...

Page 51: ...s Input to recall the 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 atte...

Page 52: ...n the LCD If you press Enter the system will recall the preset Overwriting a Preset If the preset is not empty after pressing Fn Preset 1 the system will prompt you to recall Preset 1 and its name wil...

Page 53: ...character repeat the process until all the characters have been entered 6 When all the characters have been entered scroll until _DONE_ _DONE_ _DONE_ _DONE_ appears in the window and press Enter If yo...

Page 54: ...USO RESTRITO...

Page 55: ...ins the options in the Setup menu Figure 5 1 on page 44 provides a structural overview Topics Topics Page Introduction 43 Accessing Setup Mode 44 Analog Output Preference Mode 46 Recalling a Preset 46...

Page 56: ...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_ OVERW RITE PRESET Preset1 DOLBY1 Save Ol...

Page 57: ...rasePSet ErasePSet SDI Delay only available for the 3G model Surround Gain Srnd Gain Srnd Gain Srnd Gain Srnd Gain Startup Analog Output Preference AOutPref AOutPref AOutPref AOutPref After entering t...

Page 58: ...d downmix DM1 DM2 or DM3 In addition the channels are summed at unity gain into the speakers and headphones However if Discrete Discrete Discrete Discrete is selected then all channels within the down...

Page 59: ...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...

Page 60: ...t the current 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 5 6 Completed Preset Name Selection...

Page 61: ...preset will display a warning to the user that they are about to overwrite the preset as shown in Figure 5 4 below Figure 5 7 Overwriting a Preset 2 Press the Enter button to display Save Old Name Sav...

Page 62: ...ters or when you press the Enter button when _DONE_ _DONE_ _DONE_ _DONE_ appears on the display After naming the preset the current state of the system is saved under that name and preset number and t...

Page 63: ...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 allows you to erase a stored preset Pressing the Ente...

Page 64: ...gnals from the SDI inputs This allows you to compensate for video processing delays in external video signal chains and monitors This selection delays the monitored SDI audio and the de embedded SDI A...

Page 65: ...d repeatedly press the Up Down buttons until the desired input is shown in the LCD Save the selection by pressing the Enter button Press the Esc button to exit Setup mode and return to normal operatio...

Page 66: ...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 asser...

Page 67: ...that allow the audio sample rate to be independent of the video pixel clock and they are required by the latest SMPTE standards However not all equipment implements these bits correctly Normally this...

Page 68: ...821030 AMPx S8 Series User Guide 2013 Wohler Technologies Inc All rights reserved 56 Chapter 5 Setup Menu Phase Bits USO RESTRITO...

Page 69: ...pecifications 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 T...

Page 70: ...t a glance Space saving 1 RU or 2 RU 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...

Page 71: ...A Converter 32 to 48 kHz autoselected 24 bit low jitter Peak Acoustic Output at 2 ft 104 dB SPL Acoustic Distortion 6 or less at worst case frequencies above 140 Hz including cabinet resonance typica...

Page 72: ...b 25 4 BNC 3G HD SD SDI 2 BNC Analog D Sub 25 Outputs Metered Analog DB 25 3G HD SD SDI Re Clocked BNC AES Unbalanced Out from SDI HD 15 Optional Balanced AES Out from SDI Input DB 25 Selected Downmix...

Page 73: ...ed 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 SDI In 1 2 SDI In 3 4 SDI In 7...

Page 74: ...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 SDI In 1 2 SDI In 3 4 S...

Page 75: ...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 SDI In 1 2 SDI In 3 4 SDI In 7 8 SDI In 5 6 Unbalanced AES Output from...

Page 76: ...d Digital In 7 8 Unbalanced Digital In 7 8 Unbalanced Digital In 5 6 Unbalanced Digital In 3 4 Unbalanced Digital In 1 2 SDI In 1 2 SDI In 3 4 SDI In 7 8 SDI In 5 6 Unbalanced AES Output from SDI SDI...

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