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ONTENTS

MSD100 U

SER

’

ANUAL

4. Operation

4.1 Main Display and Control Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.1.1. Initial Display at Power Up. . . . . . . . . . . . . . . . . . . . . . . . 4-2

4.1.2 Function Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4.1.3 Additional Information Displayed on
Digital Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4.2 Phase Correlation Meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4.3 Audio Vector Oscilloscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4.4 Peak Programme Meter (PPM) . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

4.4.1 International PPM Scales Supported. . . . . . . . . . . . 4-6

4.5 Level Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

4.6 Adjusting Input Gain (20 dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

4.7 Using the Utilities Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

4.7.1 Adjusting Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

4.7.2 Adjusting Viewing Angle (Contrast). . . . . . . . . . . . . . 4-9

4.7.3 Selecting Inverted Display . . . . . . . . . . . . . . . . . . . . . . . . 4-10

4.8 Selecting PPM Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

4.8.1 Selecting Preferred PPM Scale. . . . . . . . . . . . . . . . . . 4-10

4 . 8.2 Selecting the PPM Reference Level . . . . . . . . . . . . 4-11

4.8.3 Using the LED Overload Indicators . . . . . . . . . . . . . 4-11

4.8.4 Using the PPM Peak Hold Function . . . . . . . . . . . . 4-12

4.8.5 Using the PPM FAST Mode . . . . . . . . . . . . . . . . . . . . . . 4-13

4.9 Changing Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14

4.10 Bitstream Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

4.10.1 AES/EBU Decoding Mode . . . . . . . . . . . . . . . . . . . . . . . 4-15

4.10.2 Consumer Decoding Mode . . . . . . . . . . . . . . . . . . . . . . 4-16

4.10.3 Displaying Channel Information. . . . . . . . . . . . . . . . 4-16

4.11 Spectrum Analysers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17

4.11.1 FFT Spectrum Analyser. . . . . . . . . . . . . . . . . . . . . . . . . . 4-17

4.11.2 1/3-Octave Spectrum Analyser. . . . . . . . . . . . . . . . . 4-17

Содержание MSD100

Страница 1: ......

Страница 2: ...MSD100 MSD100AES MSD100AES SA MSD100T MSD100T SA MSD150C MASTER STEREO DISPLAY USER S MANUAL...

Страница 3: ...io Herlev Denmark Trademarks Analog Devices is a registered trademark of Analog Devices Inc USA Crystal is a registered trademark of Crystal Semiconductor Corp USA Note This manual covers all MSD100 S...

Страница 4: ...pplications 2 2 2 3 Physical Overview 2 3 2 4 Audio Inputs 2 3 2 5 Power Supply 2 4 2 6 Codec Circuit 2 5 2 7 Decoder 2 6 2 8 DSP Microcomputer 2 6 2 9 EPROM Program Storage Media 2 6 2 10 LCD Display...

Страница 5: ...4 7 1 Adjusting Brightness 4 8 4 7 2 Adjusting Viewing Angle Contrast 4 9 4 7 3 Selecting Inverted Display 4 10 4 8 Selecting PPM Options 4 10 4 8 1 Selecting Preferred PPM Scale 4 10 4 8 2 Selecting...

Страница 6: ...rms Abbreviations Acronyms Glossary 1 Product Registration Form Registration Card Registration 1 Index Index Index 1 List of Tables Table 2 1 MSD Rear Panel Connections 2 3 Table 2 2 MSD Compasrison S...

Страница 7: ...Figure 3 1 MSD100 Mounted in Bracket 3 2 Figure 3 2 Female XLR Connections MSD100T 3 4 Figure 3 3 DC Power Socket 3 4 Figure 4 1 MSD Main Display 4 1 Figure 4 2 MSD100AES SA w Sampling Frequency 4 3...

Страница 8: ...e DK Audio MSD100 Master Stereo Display Series models are universally recognized professional audio metering system for broadcast and studio applications The MSD100 Series supplements the human ear by...

Страница 9: ...que to specific models The MSD100 Series models deliver monitoring capabilities beyond traditional instruments such as bar graphs LEDs and oscilloscopes All MSD100 Series units provide the following b...

Страница 10: ...MSD100 functions hardware components physical enclosure and connectors Section 3 Installation Provides instructions on how to install the unit and connect audio and power cables Section 4 Setup and O...

Страница 11: ...missing Either the form or the card can be mailed or faxed to DK Audio 1 2 NO T A T I O N CO N V E N T I O N S Before you begin working with the MSD100 familiarize yourself with the notation conventi...

Страница 12: ...Brixen Broadcast Publishing DK Audio A S Denmark 2001 1 4 IF YO U NE E D HE L P If you need assistance while working with your MSD100 Series product please contact us at DK Audio Telephone 45 44 85 02...

Страница 13: ...ndise Request RMA form You can request to receive the RMA form as follows By Telephone 45 44 85 02 55 By email service dk audio com Or you can download the RMA form as a PDF file directly from our web...

Страница 14: ...racteristics By supplementing the human ear with meters and scopes based on international standard measurement scales the risk of over reliance on subjective criteria is minimized All models in the Ma...

Страница 15: ...ures backed by a 2 year warranty Phasemeter Audio vector oscilloscope Level meter with 6 selectable PPM VU scales Individually selectable input reference levels with an additional 20db of input gain 1...

Страница 16: ...e display area is 69 x 69 mm 179 mm 129mm FIGURE 2 1 MSD100 DIMENSIONS 2 4 AU D I O IN P U T S The rear panel audio connection and signal types vary by model as described in Table 2 1 Table 2 1 MSD100...

Страница 17: ...he power supply is based on both switch mode and linear regulation principles and accepts both AC and DC inputs Recommended supply voltages are 9 to 30V DC 9 to 20V AC 50Hz An optional 230V power supp...

Страница 18: ...ass filter used after the DAC to reduce the stair step waveform w high frequency artifacts or images and reconstruct a smooth replica of the original signal ADC Analogue to digital converter Circuit t...

Страница 19: ...r SP DIF Signal sources of both types can be used 2 8 DSP M I C R O C O M P U T E R The Analog Devices ADSP 2181 single chip microcomputer is optimized for digital signal processing DSP and other high...

Страница 20: ...voltage applied to the LCD controlled from the DSP is temperature compensated for optimum visibility Note The MSD150C includes a colour filter to provide a colour presentation of the data All other MS...

Страница 21: ...r oscilloscope PPM VU Level meter scales plus DK Scale PC program 6 6 6 Loudness Leq m Session log Statistical info mode FFT Spectrum Analyser 1 3 octave spectrum analyser FFT based Limited function a...

Страница 22: ...th washers The bracket facilitates horizontal and vertical adjustment for optimum viewing 3 1 1 MOUNTING FOR HORIZONTAL AND VERTICAL ADJUSTMENT To mount the MSD100 for greatest viewing flexibility 1 A...

Страница 23: ...DJUSTMENT ONLY To mount the MSD100 more firmly allowing horizontal adjustment only 1 Secure the bracket directly to the console or work surface using two 4 mm screws not supplied 2 Attach the MSD100 t...

Страница 24: ...t Signal MSD100 MSD150C RCA phono sockets 2 Shield ground Pin signal Marked L Left and R Right Analogue Unbalanced stereo MSD100AES MSD100AES SA Female XLR sockets 2 Note A male XLR socket is availabl...

Страница 25: ...Each MSD100 Master Stereo has a 2 1 mm DC power socket on the rear of the unit as shown in Figure 3 2 FI G U R E 3 3 DC P O W E R SO C K E T O N MSD100T Power can be fed from a standard power adapter...

Страница 26: ...C A T I O N S Operating range 9 to 20V AC 50 Hz 9 to 30V DC Recommended supply voltage 9V AC 50 Hz 12V DC A standard 230V AC 50 Hz power adapter can be supplied as an option Figure 3 3 shows a typica...

Страница 27: ...ogramme meter and supported PPM scales It also describes operation of unique functions available only on specific MSD100 models Bitstream status display Spectrum analyser 4 1 M AIN D I S P L A Y A N D...

Страница 28: ...1 54 4 1 2 FUNCTION K EYS The three black keys operate the functions displayed in the menu text line directly above them For example the left function key toggles between SPECT and EXIT An empty blac...

Страница 29: ...ease and decrease values as shown below 4 1 3 ADDITIONAL INFORMATION DISPLAYED ON DIGITAL MODELS In addition to the phase meter audio vector oscilloscope level meter and menu text line the digital MSD...

Страница 30: ...re 4 3 This representing a random distributed phase with maximum ambient effect Mono 1 Vertical straight line See Figure 4 3 A 0 to 1 indicates signal with reversed phase components approaching a hori...

Страница 31: ...ct circle or ball as shown in Figure 4 3 See the examples of phase meter and oscilloscope displays under different signal conditions in Figure 4 3 FI G U R E 4 3 MSD100 DI S P L A Y S F O R SI G N A L...

Страница 32: ...ewer fatigue 4 4 1 INTERNATIONAL PPM SCALES SUPPORTED The MSD100 supports four different international PPM scales in accordance with IEC 268 10 IEC 268 17 and DIN 45406 This instrument also complies w...

Страница 33: ...ld LED overload indicators Individual reference level selection 4 6 AD J U S T I N G IN P U T G A I N 20DB You can increase the input sensitivity to obtain the best possible dynamic range and accuracy...

Страница 34: ...ales Select inverted display Note The high quality LCD display reacts quickly to light and angle adjustments but may still require that you several seconds for the display to stabilize between adjustm...

Страница 35: ...inished press EXIT to return to the Main Menu 4 7 2 ADJUSTING VIEWING ANGLE CONTRAST To adjust the contrast of the display 1 Press UTIL 2 Press ANGLE The Set Viewing Angle menu is displayed as shown i...

Страница 36: ...le between inverted and normal display press the key again 4 When finished press EXIT to return to the Main Menu 4 8 S E L E C T I N G PPM O P T I O N S The Peak Programme Meter Menu indicates the lev...

Страница 37: ...nu is displayed with three options PREV NEXT and SELECT 4 Press NEXT or PREV as needed to move forward or backward through the scale types displayed in the menu text line I IIA IIB DIN VU DMU1 and DMU...

Страница 38: ...plate illuminate Split bars appear in the PPM bars in the LCD display The LED indicators located directly above the PPM bars light up when the selected reference level for the scale is reached for ex...

Страница 39: ...PPM FAST MODE You can use the FAST mode to set the PPM integration time to zero making the bar graphs indicate peak values of the input signal Note When using a steady sinusoidal signal input the bar...

Страница 40: ...off the unit 2 Press and hold UTIL key middle key while powering up the unit The Set Up Utility menu is displayed with CAL and DEFAULT options as shown in Figure 4 6 FI G U R E 4 7 SET UP UTILITY M EN...

Страница 41: ...ion for the AES EBU Professional decoding mode TABLE 4 3 DATA IN F O R M A T I O N F O R AES EBU M O D E Professional Consumer Signal originates from Professional or Consumer eqpt Professional AES EBU...

Страница 42: ...al Not referenced Origin Signal source for example DAT 1 Destination Signal destination for example AES 1 H M S Frame Time code Hours Minutes Seconds and Frame Count Blank No time code 4 10 2 CONSUMER...

Страница 43: ...ctrum Analysers used for determining frequency content of a signal are included in the following MSD100 models MSD100T SA MSD100AES SA The FFT analyser is used as an accurate measuring tool the 1 3 oc...

Страница 44: ...cy Figure 4 6 shows the FFT Spectrum Analyser display on the MSD100 SA FIGURE 4 7 FFT SPECTRUM ANALYSER To select the FFT Spectrum Analyser mode 1 Press FFT The FFT screen is displayed as shown in Fig...

Страница 45: ...analyser provides real time frequency analysis through a bank of filters each with a relative bandwidth of 1 3 octave This instrument provides a 31 bar display for numerical and graphical visualisatio...

Страница 46: ...input 9V to 30V AC input 9V to 20V DC current consumption 12V nominal supply 600 mA Power dissipation 6 5W approximately Safety standard IEC 65 An optional 230V 50Hz AC power supply adapter is availab...

Страница 47: ...esponse 3Hz 20 kHz 0 3 dB Dynamic response a Pflichtenheft 3 6 3 ms 3dB b IEC 268 10 5 ms 2 dB c IEC 268 17 VU 300 ms Overswing None Return time a Pflichtenheft 3 6 20 dB 1 5 s b IEC 268 10 20dB 20 s...

Страница 48: ...efault Phase error between channels None Display area 69 mm x 69 mm A 6 LCD D ISPLAY Resolution 320 x 240 dots Pixel size 0 36 mm Contrast ratio Type 8 Viewing area 120 x 92 mm Viewing angle 90 CR 3 B...

Страница 49: ...nalogue signal Also expressed as A D AES Audio Engineering Society AES EBU The most widely used serial interface for audio standardised jointly by the Audio Engineering Society and European Broadcast...

Страница 50: ...audio data conversion and control functions into a single integrated circuit DAC Digital to Analogue converter A circuit that converts an analogue signal to a digital signal Also expressed as D A dB...

Страница 51: ...ion FFT Fast Fourier Transformation A spectrum analyser using this complex FFT algorithm outperforms earlier analogue counterparts in the number of frequency bands and indication range Goniometer See...

Страница 52: ...es direct measurement of the peak values of complex electrical signals Phase The difference values which alternating current or alternating voltage runs through during a period Phase Correlation Meter...

Страница 53: ...nalyser An instrument used for determining frequency content energy distribution of a signal Stereo Image Monitor See audio vector oscilloscope V Volt Unit of measure of electrical potential voltage V...

Страница 54: ..._________________________________ Fax ________________________________________________ Email ______________________________________________ Unit Serial No _______________________________________ Purch...

Страница 55: ...5 Brightness adjusting 4 8 4 9 C Channel information digital displaying 4 17 Codec circuit 2 5 Connections audio 3 3 Consumer decoding mode 4 17 Continuous time filter 2 5 Contacting DK Audio 1 5 Cont...

Страница 56: ...Inverted display selecting 4 10 L LCD Liquid Crystal Display 2 7 4 2 LED Overload Indicator 4 7 4 12 Level Meter 2 1 4 7 M Main display 4 1 Menu text line 4 1 Models 1 2 Model comparison table 2 7 Mo...

Страница 57: ...4 11 Related documentation 1 5 S Sampling rate 2 6 Scales 4 7 Select preferred PPM scale 4 10 Settings changing default 4 14 Signal to noise 2 6 Spectrum analyser 4 17 4 18 4 19 Stereo image monitor S...

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