Philips SM30 manual Audio signal level diagram, Dl L

Page 48

 

 

 

M IM

M U M

M US I C

 

134

 

 

S M 3 0

 

M A X

 

 

CO NTR O L

 

 

 

CE NTR E

 

 

 

C S T

C S M

C A L L

 

124

 

 

 

 

 

 

 

114

20

 

 

1 0 V

 

104

10

 

 

DL L

 

Limiter

 

 

 

 

 

 

 

L B B

94

0

 

 

1 V

9520/10

 

 

 

Signal

 

84

-10

 

 

 

 

74

 

 

 

10 0mV

 

64

-30

 

 

 

 

54

-40

 

 

1 0 m V

 

44

-50

 

 

 

 

 

 

C S T

 

Noise

 

34

-60

 

1 mV

 

 

 

 

 

 

 

 

Noise

 

24

-70

 

M I M

 

 

 

C S M

 

 

 

 

 

 

 

14

-80

 

M U M

100 µ V

 

 

 

 

 

 

4

-90

 

 

 

 

d B

-100

 

 

 

 

S P L

 

 

10 µ V

 

 

-110

 

 

 

 

 

-120

 

 

1 µ V

 

 

d B V

 

 

 

 

 

 

 

= Equivalent Input Noise

 

 

 

 

 

(RMS B=20kHz Flat)

 

Audio signal level diagram

46

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Image 48
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Contents SM30 Contents Introduction Control CentreProgramming Signal generator Emergency Power Supply +48 VDCBlock diagram SM30 plug-in modulesBlock diagram System Operation Typical OperationActivation of Control Relays Volume Control Override Relays Power on delayAlarm interrupt Signal description Alarm TonesTime signals ON/OFF Power Switch fig.4.1A Front panel controlsProgramming Keys fig.4.1C Alpha-Numeric LCD Display fig.4.1D Music Function Keys fig.4.1EPower Supply Module SM30 basic modulesLine Output Module Setting UP the Hardware GeneralOpening the housing Removing Module Blank PanelsMounting the Modules Voltage Setting Volt Emergency Power SupplyEarth Terminal ground Mounting in a 19 rack Removing FeetCalculating Required Rack Space General RulesConnecting amplifiers One Channel System fig.5.5.2Rack Mounting 1 Two channel system 2 One channel system Electret condenser microphone Built-in CompressorBalanced Line Level output Operating controls Numeric Keypad fig.6.1JCall Station ‘Press-To-Talk’ Key fig.6.1HInstallation Loudspeaker Zone Template AdjustmentsLED Intensity Preset Using the Call Station Using the Keypad to make a CallPage Installation Mounting in the Control Centre Adjustments Volume Level ControlsCall Station Input Module CSM Connection of Call StationsOperation Remote Switching Function Microphone Input Module MIMLine Input Facility Bass Cut FacilityAdjustments Gain Control Potentiometers Connection of MicrophonesControl Input Module CIMWiring control inputs Direct routingAdjustments Output Volume Control Automatic Gain ControlHeadphone Monitoring Microphone InputSafety Features Numerical order, commencing with messageRecording a Message Recording over an Existing MessageRemote Location Recording Music Input ModuleMUM Music Source InputsProgramming Software routing to zones Display music source statusZone Relay Module ZRMTerminations Coupling Zone Relay Modules Multiple Amplifier ConfigurationsControl Relay Module CRMRemote Volume Control Overrides InstallationWiring Control Relays Programming Power-on delayProgram step Selection User password ProgrammingSummary SM30 User Programming User Programming Mode IntroductionGeneral User ProgramCall Stations Signal number selection Main menu selectionCall Station number selection Key Pad SelectionKey Signal number selection Function Key number selectionKey programming selection Key Priority selectionKey Music volume up Key Music volume downKey Relay switching selection Key Music on/offMicrophones Microphone number selectionCall Routing to Zones Microphones Programming next microphoneControl Inputs Control input number selectionControl input Priority level selection inputControl Inputs Programming Control RelaysSM30 System Specification GeneralMains Supply Audio signal level diagram DL LReturn to ‘RUN’ mode Error MessagesMusic Routing Music RoutingPage Supplement Instructions for installation Contents Installer programming stepsselection Extended Call Station ProgrammingSetup Installer mode System downLanguage selection Store hardwarePower-on Delay POWER-ON DelayDelay time Music Input TextSelect Language Alternative Music Input TextInput number selection Alternative text selectionStoring Hardware Selecting Amplifier Configuration Store Hardware Amplifier ConfigurationConfiguration display Altering selectionVolume Step/Repeat Remote Volume Control MusicMode display Volume Control Routing Limits Call Override Relays Station Override RelaysRelay selection Call Station selectionRouting setting Routing LimitsDirect Routing Current zone displayClear Memory Control Alarm Mode Power-on delay System downClearing Memory 14.2 ConfirmationFlexible F-keys Extended Call Station Extended Call Station ProgrammingSelection Call Station input number 17.3 ConfirmationMPL if IE R C ONF IG Xxxxxx R MA N Singl E AMP LIF IE RS MU SIC Z on ES SE T ROU TIN G VIA Inst AL LE R P Rogr AM EL ECT PR Ogram CT L AL AR M MOD E SEL ECT FUN Ction MIC ROP Hone Priority Page Page 3922 988 33415 20/97
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