Meridian America Meridian 518 manual How to customise, Customising, general procedure

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Customising 518: overview	22

∙whether or not the Bypass DSP option is available.2

∙whether or not a blank display option is allowed.

∙whether or not the Emphasis DSP option is adaptive – i.e. reacts to the incoming emphasis status.

∙choices on how the volume control operates and displays.

Details of these are described in the next section.

Config: sources and inputs

In Config you can also make selections to do with sources, e.g.

∙how many inputs will be active

∙which sources you can select

∙which key on the remote control selects which source

∙the Logo for that input on the 518 display

∙the physical input connection to 518.

∙the Comms type of the source, i.e. whether it is a Meridian controllable source like CD or Radio

∙the address for that source product

How to customise 518

The 518 comes configured in Resolution Enhancement mode (Type 1) and needs no customising to become operational.

There are a very large number of different configurations possible. This section tells you how to change the configuration.

Customising, general procedure

518 has four operating modes (not to be confused with setup Types):

∙Normal

∙Standby

∙Type

∙Config

Normal and Standby are the everyday operating modes: the operating instructions refer to these.

Type and Config are used to make choices about the way 518 works. These are described in the section: ‘Configuring 518, an overview' on page 37.

How to change to Type or Config

To change to Type or Config you use the same basic procedure.

1.Switch off any power amplifiers that are connected to the system.

2.Switch off the 518 using the power switch on the back.

3.While pressing the specific key for the operating mode you want on the 518 front panel, switch the power on again.

518 will display a message to inform you which mode it is in.

4.Release the key

At this stage you can make the adjustments required.

In step 3, the front panel key is:

∙Type – press and hold Source.

∙Config – press and hold Display.

∙Normal – do not use any key!

2Bypass is not available if the 518 is the system volume control!

518 User Guide

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Contents 1992, 1993 Contents Appendix 4 -Resolution Enhancement Simple rules for usingAppendix 2 Hints on Mastering Designed & manufactured in the UK by Sales and service in the UKSales and service in the USA AcknowledgementsAbout the 500 Series IntroductionAbout this manual Conventions used in this manualUnpacking Installing yourGeneral precautions ConnectionsPlanning setup Whats inside a 518?Overview as Preamp Type What about analogue sources? What else do I need to know?CD or LaserDisc playback improvement Overview as Resolution Enhancement Processor TypeMeridian DSP speaker improvement Meridian Surround improvement Overview as Mastering Processor Type Overview as Multimedia Processor TypeCustomising features ∙ Normal ∙ Standby ∙ Type ∙ ConfigBasic operation Switching onStarting off with StandbySelecting a source Adjusting the volumeOperating 518 as a Control Unit Type OutShape a DitherFlat Shape BDisplay Advanced operation using the Remote Control Muting the sound Operating 518 as Resolution Enhancer TypeVolume control Menu KeysOperation summary With the Remote ControlMemory Config control settings Restoring default settingsConfig an overview Customising 518, an overviewConfig sources and inputs How to customiseCustomising, general procedure How to change to Type or ConfigMaking changes to an existing setup Customising using TypeHow to change back to Normal Setting Type ControllerConfig Customising using ConfigHow to use Config Selecting TypesSetting the product address for Selecting the controller modeSetting the system address for Setting the Standby mode forSetting the Volume mode for Setting the Blank display option forSetting the Emphasis option for Setting the Volume displayChoosing source logos Setting up sourcesVol. dB Choosing the Comms type for a source product Changing the input for a sourceChoosing the address of a source product Digital input connections ConnectionsDigital audio connections Digital output connectionTo connect to other Meridian 500 Series equipment Connecting to Meridian Digital speakersCommunications connections ConPart Mastering ProcessorMeridian 500 Comms warning DescriptionAs a Mastering or Multimedia Processor Type D1 +2Emph +2 ShpB +2Making Recordings Transfer to editor Transfer to the final carrierNoise shaper characteristics Shaper Advantage 44.1kHz 48kHz Normal Pre-emphasisDigital Audio and Quantisation Operating BackgroundTransparency in digital systems DitherDynamic Range Noise Shaping with ditherPre and De-emphasis No change in sample size Simple rules for usingStep-down in sample word size Step up in dynamic rangeSpecification Additional technical informationHelp Cleaning Maintenance & ServicePart Appendix 1 Noise Shapes NoiseAbove noise spectrum for Shape B at 44.1kHz 0Hz 5kHz 10kHz 15kHz 20kHz Appendix 2 Hints on Mastering with noise-shaping Vulnerability of the signalAudible results of digital errors and editing Requirements for D/A conversionAppendix 2 Hints on Mastering Handset Functions Appendix 3 RS232GoTo Functions Appendix 4 -Resolution Enhancement Jitter and de-jitteringDynamic-range FrequencyDynamic-range optimisation with Gain Dynamic-range optimisation with Pre-emphasisShowing CD pre- and de-emphasis curves Dynamic-range optimisation with Noise-shaped Dither DAC enhancement by using high-frequency dither DAC or channel enhancement by word-length matchingContents IndexIndex User Guide User Guide