Meridian audio 518 owners manual

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2 518 User Guide Contents Sales and service in the UK...........4 Sales and service in the USA.......4 Designed & manufactured in the UK by.....................4 Acknowledgements..............4 Introduction....................5 About this manual.................5 Conventions used in this manual.....................5 About the 500-Series..............5 Part 1..............................6 Unpacking the 518...................6 Installing your 518....................6 General precautions..................6 Connections........................6 Siting.............................6 Planning setup of 518...................7 What's inside a 518?.....................7 Overview as Preamp (Type 0)......8 Overview as Resolution Enhancement Processor (Type 1)............................10 Overview as Mastering Processor (Type 2)Mastering: overview..........12 Overview as Multimedia Processor (Type 2)..............12 Customising features..................13 Starting off with 518....................14 Checking..............................14 Switching on.............................14 If there is no display..................14 Memory.............................14 Standby...............................14 Basic operation of 518................14 Operating 518 as a Control Unit (Type 0).............................15 Selecting a source....................15 Adjusting the volume................15 Out...................................15 In16 Dither..............................16 DSP...................................17 Display..............................17 Emphasis Light.........................18 Clip Display..............................18 Software version.......................18 Advanced operation using the Remote Control......................18Putting the 518 in Standby.......18 Coming out of Standby..............18 Muting the sound......................19 Menu Keys...........................19 Operating 518 as Resolution Enhancer (Type 1)..................19 Volume control.........................19 Gain control.........................19 Memory...............................20 DSP.................................20 Operation summary....................20 On the 518 front panel..............20 With the Remote Control............20 Customising 518, an overview..........21 Restoring default settings.........21 Type: an overview....................21 Config: an overview..................21 How to customise 518................22 Customising, general procedure........22 Customising using Type.............23 Customising using Config.............24 How to use Config....................24 Setting up sources...................27 Connections............................29 Digital audio connections...........29 Communications connections..........30 To connect to other Meridian 500 Series equipment...........30 Part 2...................................31 Mastering Processor...................31 Description.............................32 518 as a Mastering or Multimedia Processor (Type 2)....................................32 Meridian 500 Comms warning...........32 Emphasis Light........................32 Selecting a source....................32 Gain control.............................32 Memory.............................33 DSP.................................33 Display..............................33 Clip Display..........................34 Software versionError! Bookmark not defined. Making Recordings.....................35 Transfer to editor........................36 Transfer to the final carrier..............36 Noise shaper characteristics...........37 518 Operating Background.............38

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3 518 User Guide Simple rules for using 518...........40 Additional technical information.....42 Specification...................42 Help!.......................43 Standby point not lit.............43 Audible hiss at high volume settings......................43 No output with Meridian 565, DSP speaker or DAC..........43 No time display with Meridian DSP speaker.................43 Communications not working between 518 and other Meridian products..............43 Radio interference.................43 Cleaning..........................44 Maintenance & Service...............44 Part 3................................45 Appendix 1 -“ Noise Shapes.........45Appendix 2 -“ Hints on Mastering with noise-shaping.................47 Appendix 3 -“ RS232..................49 Appendix 4 -“Resolution Enhancement......................50 Jitter and de-jittering..................50 Dynamic-range......................51 Dynamic-range optimisation with Gain.............................52 Dynamic-range optimisation with Pre-emphasis................52 Dynamic-range optimisation with Noise-shaped Dither......54 DAC enhancement by using high-frequency dither............55 DAC or channel enhancement by word-length matching........55 Index.....................................56 Notes.....................................58