Crystal Vision Indigo ADCA412 User Manual Download Page 1

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ADCA412

Analogue to digital audio converter

Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.

Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059 [email protected] www.crystalvision.tv

Summary of Contents for Indigo ADCA412

Page 1: ...ue to digital audio converter Crystal Vision Ltd Lion Technology Park Station Road East Whittlesford Cambridge CB22 4WL England Tel 44 0 1223 497049 Fax 44 0 1223 497059 sales crystalvision tv www cry...

Page 2: ...ilence options 7 Adjusting the AES output phase 8 Audio monitoring 8 Setting channel gain and input termination 8 3 Using the front control panel 9 The ADCA412 menu structure 12 Setting channel gain a...

Page 3: ...24 RM11 25 RM13 27 RM14 28 RM21 29 RM35 30 5 2 Signal earthing 31 5 3 Using GPIs 31 GPI input assignments 31 GPI output assignments alarms 31 GPI Connections 32 5 4 Wiring XLR breakout leads 33 5 5 Fi...

Page 4: ...period of time Silence warning and loss of reference warning status are normally routed by default to the GPI port for each channel The main features are as follows 20 24 bit dual analogue to digital...

Page 5: ...nt rear modules RM may be used with ADCA412 the RM03 RM11 RM13 RM14 RM21 and RM35 Further details of the rear modules can be found in the Installation chapter Control Control of the card is on a first...

Page 6: ...d frame or frames and display them in the main application left hand Explorer style window Open any frame by clicking on the sign or by double clicking on a frame Installed modules should be shown wit...

Page 7: ...s Mode 48K or Auto Reference AES Wordclock Video or Internal Silence time 1 5 to 120 seconds Phase inversion Audio channel assignment LP filter Test tone left ident AES output phase Status reference p...

Page 8: ...nel swapping single channel mode and phase inversion Channel routing logic following the silence detection circuits allows the incoming analogue signals to be assigned to digital outputs in a variety...

Page 9: ...control to zero quickly hold the mouse over the control right click and then select Calibrate The phase angle setting is stored in non volatile memory Each reference input AES Video or Word Clock hav...

Page 10: ...At power up the two line 20 character screen will display Crystal Vision followed by the firmware version number for the control panel All eight control panel key LEDs will illuminate The Crystal Vis...

Page 11: ...u The top line of the display will show Available Cards X where X is the number of cards that have responded so far to the polling request The Available Cards menu Rotate the shaft encoder and the bot...

Page 12: ...assigned within each menu HOME moves the display to the Home menu ENTER accept current selection Upward arrow used to move up the menu structure enter Lock Panel menu from the Device menu Rotary contr...

Page 13: ...ry slightly as ADCA412 software is updated The ADCA412 menu tree Note Function keys and shaft encoder LEDs are illuminated when active Function keys associated with the shaft encoder for changing assi...

Page 14: ...rface OUTPUT Indicates no effect when used in front of menu code Rph NO phase inversion of right hand channel Rph Right hand channel IS phase inverted AUTO Follows ref input clock frequency between 30...

Page 15: ...symbol s The bottom line shows the reference source in use REF followed by VIDEO AES or W CLOCK Aref instead of REF indicates that the source in use is an alternative because the selected source is n...

Page 16: ...r INTERNAL The AUDIO sub menu shows the main operational mode SINGLE DUAL as selected by SW3 6 The top line also shows if the channel inputs are swapped in using SW3 5 The bottom line shows the effect...

Page 17: ...2 is asserted low SINGLE mode Input 2 feeds AES1 2 GPI3 48K GPI3 is NOT asserted low Xtal mode GPI3 AUTO GPI3 is asserted low only effective if AES reference input has been selected and a valid input...

Page 18: ...he F3 or decreased using F4 between 1 5s and 120s in 8s steps In SNGL mode use F2 to select the AES channel before changing the delay The AUDIO menu provides control over the main operating mode with...

Page 19: ...en Normal and N Cut N Cut puts a low pass filter in each input to reduce the effects of noise Note The Set Phase function does not work unless a valid external reference is selected If the internal cr...

Page 20: ...P DOWN Video reference selected DOWN UP Word clock selected DOWN DOWN Internal clock source selected Selecting the sample rate mode The ADCA412 channel operates in two main modes The primary mode is f...

Page 21: ...output of AES Output 1 OR AES Output 2 may be inverted The various channel shuffling modes are selected as follows Lever Function 5 Down Channels swapped Up Normal 6 Down SINGLE channel mode Up DUAL m...

Page 22: ...le Note The routing of Loss of Reference Input warning to the GPI port cannot be disabled Setting the silence threshold The Hex rotary switch SIL TIME is used to set the required sustained silence per...

Page 23: ...1 1 26 Ref In Audio In 15 1 RM11 ZLA00093 24 modules per Indigo 4 frame Recommended for 110 Ohm balanced AES outputs and video or word clock Ref in GPI lines also available at frame remote connectors...

Page 24: ...deo reference Only plug the ADCA412 cards into the top three slot associated with the RM14 rear module the bottom slot is not used and MUST be left vacant Rear Connectors Description RM21 24 modules p...

Page 25: ...o 1 AES output 6 OP1 1 7 OP1 2 8 OP1 2 9 OP2 1 Stereo 2 AES output 10 OP2 1 11 OP2 2 12 OP2 2 13 GND 14 GPI 2 Swap AES inputs input 15 GPI 4 Video Sync REF input 16 GPI 6 Stereo 2 alarm output 17 GND...

Page 26: ...ack and burst or Word Clock in RM11 RM11 Reference 75 Ohm BNC connectors BNC Function REF IN 75 Ohm BNC connector for video reference black and burst or Word Clock RM11 Audio In connector 15 way D typ...

Page 27: ...ES output 11 OP1 3 12 OP1 4 13 OP1 4 14 OP1 1 15 OP1 1 16 OP1 2 17 OP1 2 18 OP2 2 Stereo 2 AES output 19 GND Chassis 20 GP1 1 Single Dual mode input 21 GP1 2 Swap AES inputs input 22 GP1 3 Auto Xtal i...

Page 28: ...connector for AES reference a jumper link on the ADAC412 terminates this input with 75 Ohms RM13 Audio In connector 15 way D Type socket cable has plug on it Pin number Function Comments 1 IP 1LO Low...

Page 29: ...ave its AES reference input terminated by jumper link to 75 Ohm The other cards should be set to Hi Z RM14 Audio In connector 15 way D Type socket cable has plug on it Pin number Function Comments 1 I...

Page 30: ...it Pin number Function Comments 1 IP 1LO Low screen for signal pair left 1 2 IP L1 Stereo 1 left Input 3 IP L1 4 IP L2 Stereo 2 left Input 5 IP L2 6 IP 2LO Low screen for signal pair left 2 7 AES 1 AE...

Page 31: ...c14 GPI_2 Swap AES inputs input a14 NC No user connection c15 GPI_3 Auto Xtal input a15 NC No user connection c16 GPI_4 Video Sync REF input a16 NC No user connection c17 GPI_5 Stereo 1 alarm output...

Page 32: ...uts GP1 2 Swaps stereo audio 1 input circuit with stereo audio 2 input circuit to exchange the two AES output signal contents one with the other GP1 3 Changes AES Reference input circuit only from Xta...

Page 33: ...4 1 1 2 2 2 6 4 1 14 1 13 1 23 1 3 2 4 2 7 5 3 6 3 15 3 24 3 1 4 2 4 8 4 3 14 3 13 3 23 3 3 4 4 4 9 3 1 12 1 22 1 21 1 12 2 13 2 10 10 1 11 1 19 1 20 1 21 2 22 2 11 3 3 12 3 22 3 21 3 12 4 13 4 12 10...

Page 34: ...3 10 5 12 Digital output XLR to 25 way male D plug leads XLR male pin out 25 way male D plug pin out AES 1 1 AES 1 2 AES 1 3 AES 1 4 AES 2 1 AES 2 2 AES 2 3 AES 2 4 1 screen 4 13 tinned copper wire c...

Page 35: ...L9 JL8 J1 JL5 JL6 JL7 ADCA412 card showing the output sub module headers PL2 PL3 and PL4 J2 J1 A CRYSTAL VISION LTD OPAES 75 Iss1 00 J1 J2 J1 A CRYSTAL VISION LTD OPAES 110 Iss1 00 J1 T1 T2 OPAES 110...

Page 36: ...3 1 and SW3 2 as previously explained AES reference input source and AES Video termination selection is done using jumpers as explained in the following table Link Explanation J1 1 2 rearwards 2 3 for...

Page 37: ...usts analogue 3 gain JL4 1 2 rearwards 2 3 forwards R11 Analogue 4 stereo 2 right gain Factory set 0 dBFS output 18 dBu 0 dBFS 24 dBu 0 dBFS Adjusts analogue 4 gain Note R8 11 have a gain range of abo...

Page 38: ...ut 2 48k 44k 32k or Auto Yellow Sampling Frequency 32 44 1 or 48 kHz or Automatic AES Reference Mode for 30 50kHz Status is also available using an active control panel and Statesman control Please re...

Page 39: ...hes when Statesman communication control is attempted Check any active control panel Statesman cabling Check if the control panel Statesman can control another card in the same rack If necessary re se...

Page 40: ...signal has 4 identical outputs Note either OPAES 110 or OPAES 75 must be fitted Monitoring 2 x miniature front mounted audio jacks to monitor stereo inputs Also available on rear connector Output sam...

Page 41: ...a silence error is flagged Values start at 1 5 seconds 8 seconds and then in increments of 8 seconds to 120 seconds GPIs Four GPIs are available for external control of AUTO Xtal mode per channel Dua...

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