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Crystal Vision

Using card edge controls

TANDEM-200 User Manual R1.7

101

13/02/2008

Assigning mode 3 GPI outputs

When only MENU DIL lever 6 is ON (DOWN) and all others are OFF (UP). GPI outputs
may be assigned by SEL positions 0-7 as summarised in the following table:

SEL

No.

Description

Mode 3 examples and comments

ADJ funct

0

1.1sl mask or
1.1sl flag

Selects embedder C audio channel 1 signal silence to be flagged or
ignored (mask) by the GPO 5 output.

ADJ= flag or
mask

1

1.2sl mask or
1.2sl flag

Selects embedder C audio channel 2 signal silence to be flagged or
ignored (mask) by the GPO 5 output.

ADJ= flag or
mask

2

1.3sl mask or
1.3sl flag

Selects embedder C audio channel 3 signal silence to be flagged or
ignored (mask) by the GPO 5 output.

ADJ= flag or
mask

3

1.4sl mask or
1.4sl flag

Selects embedder C audio channel 4 signal silence to be flagged or
ignored (mask) by the GPO 5 output.

ADJ= flag or
mask

4

2.1sl mask or
2.1sl flag

Selects embedder D audio channel 1 signal silence to be flagged or
ignored (mask) by the GPO 6 output.

ADJ= flag or
mask

5

2.2sl mask or
2.2sl flag

Selects embedder D audio channel 2 signal silence to be flagged or
ignored (mask) by the GPO 6 output.

ADJ= flag or
mask

6

2.3sl mask or
2.3sl flag

Selects embedder D audio channel 3 signal silence to be flagged or
ignored (mask) by the GPO 6 output.

ADJ= flag or
mask

7

2.4sl mask or
2.4sl flag

Selects embedder D audio channel 4 signal silence to be flagged or
ignored (mask) by the GPO 6 output.

ADJ= flag or
mask

8

n/a

8

n/a

9

n/a

9

n/a

Note:

Audio silence is deemed to refer to embedder audio signals only.
If silence is sustained for more than the silence detect delay the assigned GPO will be
asserted low as an alarm when ‘flag’ is selected.

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Summary of Contents for TANDEM-200

Page 1: ...nology Park Station Road East Whittlesford Cambridge CB22 4WL England E mail sales crystalvision tv Website www crystalvision tv Tel 44 0 1223 497049 Fax 44 0 1223 497059 TANDEM 200 Dual embedder de e...

Page 2: ...ational modes 12 Mode 1 12 Mode 2 14 Mode 3 15 Mode 4 16 2 Data packet management 17 2 1 HANC processing 18 2 2 EDH processing 18 2 3 Vertical switching 19 Trading process speed for robustness 20 3 In...

Page 3: ...ontrols 63 Miscellaneous 66 Using the Toolkit 67 8 The active control panel 68 Navigating the display 69 8 1 The TANDEM 200 menu structure 70 Menu numbering scheme 71 Option codes 71 Shorthand codes 7...

Page 4: ...EDH functions 93 Viewing ancillary data status 94 Error handling 95 Embedding formats and vertical switching 95 9 9 Setting the stereo dual mono status flag 96 9 10Adjusting AES EBU output phase 97 9...

Page 5: ...121 11 Problem solving 130 11 1Card edge status LEDs 130 11 2Card edge error messages 130 11 3Statesman error reporting 131 11 4Sample problems and their solution 132 11 5Card edge trouble shooting me...

Page 6: ...AES or word clock reference input for digital output modules EDH insertion on embedder and de embedder control and status monitoring via board edge or frame remote control panel or Statesman buffered...

Page 7: ...ace uses a condensed code to refer to source and destination functions when routing audio through the module The codes refer in practice to installed option cards and basic functions such as embedder...

Page 8: ...to 681 milliseconds dual de embedder embedder handles 8 mono channels in two groups use with optional RS4 for asynchronous signals Mode 4 Audio break out and embed Dual stereo de embedders followed by...

Page 9: ...there is only one delay module available for each SDI circuit delay cannot be assigned simultaneously to both the embed router and output router For example if an embedder is ON and has delay assigned...

Page 10: ...formats to embed on all HANC lines or leave a gap around the vertical switching point Variable error masking and error handling Enable or disable EDH processing Details of HANC processing and EDH proc...

Page 11: ...ed between OFF silence or high impedance a copy of the analogue headphone output or an automatically assigned AES output The rear connector monitoring may be used to extract a breakout monitoring qual...

Page 12: ...rystal Vision frames and to provide a wide range of I O options RM04 RM07 RM06 12 TANDEMs in 2U 6 in 1U Analogue 110 digital audio No 2nd SDI output 6 TANDEMs in 2U 3 in 1U 75 digital audio No 2nd SDI...

Page 13: ...e 1 provides the following functions single embedder single de embedder or single de embedder embedder dual embedder dual de embedder or dual de embedder embedder mixed embedder de embedder If no audi...

Page 14: ...ion card fitted into the other side a mixed embedder de embedder can easily be configured Dual de embedders and dual embedders If two input cards are fitted then each embedder may select any four sign...

Page 15: ...tal audio outputs option card dependent If no audio option cards are fitted the module can still be used to shuffle embedded audio channels Eight audio channels from any two embedded audio groups can...

Page 16: ...elay and embedder for two audio groups optional re sample option for asynchronous input and output signals including different line standards When re sampling is fitted and enabled the SDI 1 path up t...

Page 17: ...d This operation can be performed for two embedded SDI inputs TANDEM 200 in Mode 4 Mode 4 provides the following functions dual stereo replace embedders embedded audio can be replaced from external st...

Page 18: ...lary data VANC Vertical ancillary data VANC SW POINT There is room for four groups of AES EBU digital audio between the end of active video EAV and the start of active video SAV A group is comprised o...

Page 19: ...utput in that SDI path it will normally be flagged as marked for deletion so that downstream devices do not detect that group However if there is only one audio group present in the input SDI stream t...

Page 20: ...in the market place manufactured by Sony before the SMPTE recommendation was implemented that embeds on all lines For these reason both SMPTE and proprietary embedded formats need to be supported The...

Page 21: ...format The fastest embedding mode is also SONY1 since the buffer memory required is the smallest SMPTE modes require some extra audio data to be held in a longer queue to bridge over the vertical swi...

Page 22: ...lt in momentary loss of audio data but selection changes should really be applied whilst off air Measuring process delay Practical measurement of the processing delays associated with the available em...

Page 23: ...on 1 50 or above firmware An optional RS422 to RS232 converter if the PC has no RS422 ports Installing Statesman Refer to the readme and or help file on the CD before proceeding To view all applicatio...

Page 24: ...display will show the configuration process from 0 in 5 steps up to 100 To change mode and have Statesman recognise the change proceed as follows change the TANDEM 200 mode as required from Statesman...

Page 25: ...of the panes The two panes allow dual control display of both TANDEM 200 circuit paths or sides or two functions such as both embed and output routing can be shown for the same side The default menu...

Page 26: ...embed any audio channel from any one incoming audio group from the SDI stream and embed them into any channel of any one audio group in the outgoing SDI stream on the same side Tip If TANDEM 200 firm...

Page 27: ...section to de embed or select None to turn de embedding off for each side Selecting the de embedding mode Select the appropriate de embedding format for each side from the following modes Sony audio...

Page 28: ...dding off for each side Selecting the embedding mode The embedding format is also selected from within the SDI Status menu Select from the following modes SONY audio fifo min SONY 1 shortest processin...

Page 29: ...Any selections made will turn dark red Invalid selections will be rejected and returned to the last valid selection Click on the Salvo button when finished Valid selections will turn bright red and n...

Page 30: ...y unavailable used on D may be shown to indicate that delay will not be available to an output router even if delay boxes can be checked if the associated embedder C for side 1 and D for side 2 has be...

Page 31: ...r audio group TANDEM 200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected Caution should be exercised when adding further embedded a...

Page 32: ...those established when the preset was created The presets are currently numbered 0 15 To store a preset proceed as follows Ensure GPI controls preset recall is unchecked Select appropriate preset wit...

Page 33: ...ia external devices to further process TANDEM audio which may then be re entered into digital audio input cards in the same or another TANDEM card TANDEM 200 switches the AES monitor bus to monitor de...

Page 34: ...ose the side that offers the best influence on the whole system Select from the following options On Off Off selects free run On allows PLL lock to SDI 1 or 2 SDI 1 PLL locked to SDI 1 SDI 2 PLL locke...

Page 35: ...g This setting should be left in the default position of 15 However lower values may be useful in fault finding For example changing the error masking to 0 may be useful when attempting to listen to f...

Page 36: ...00 User Manual R1 7 35 13 02 2008 Using the Toolkit The Toolkit accessed from the Audio Delay menu provides comprehensive error reporting and status information TANDEM 200 Toolkit Refer to the Trouble...

Page 37: ...he panes The two panes allow dual control display of both TANDEM 200 circuit paths or sides or two functions such as both embed and output routing can be shown for the same module The default menu sho...

Page 38: ...dio groups and up to eight external mono or four stereo audio channels There are four identical SDI outputs two from the SDI 1 BNC and two from the SDI 2 BNC The SDI 2 input BNC is not used Mode 2 sup...

Page 39: ...equired or select None to turn de embedding off for each de embedder Selecting the de embedding mode Select a de embedding format for each de embedder from the following modes Sony audio fifo min fast...

Page 40: ...cting the embedding mode Select an embedding format for each de embedder from the following modes SONY audio fifo min SONY 1 shortest processing delay SONY audio fifo mid SONY 2 medium processing dela...

Page 41: ...on when finished Valid selections will turn bright red and new source destination assignments will be loaded into the embed routing table If only external audio destinations are needed and embedded ou...

Page 42: ...rning text delay unavailable used on D may shown to indicate that delay will not be available to an output router even if delay boxes can be checked if the associated embedder has been turned on This...

Page 43: ...r audio group TANDEM 200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected Caution should be exercised when adding further embedded a...

Page 44: ...Select appropriate preset with the Preset Number drop down menu Click on Check Preset to find an empty preset Click on Store to save setup data into the selected preset To recall a preset proceed as...

Page 45: ...en de embedders are off See section 10 3 for further discussion of audio monitoring and pinout details SDI Crystal control There is a single PLL module that may be inserted into SDI 1 or left out of c...

Page 46: ...trol slider of the Miscellaneous menu sets the silence detect delay from 0 to 128 seconds for the amount of time a signal is allowed to remain below 50dB wrt Full Scale before a silence error is flagg...

Page 47: ...o signal carried by the SDI signal The AES output clock is synthesised at a fixed rate derived internally from the TRS sync signals The AES reference input signal must be the same as that of the incom...

Page 48: ...plane or drag the button to vary the size of the panes The two panes allow dual control display of selected TANDEM 200 controls For example both embed routing can be displayed together The default men...

Page 49: ...cessing equipment such as a DVE or ARC that does not pass embedded audio TANDEM 200 in mode 3 The first task to perform when routing audio for the first time is to chose which audio groups will be inv...

Page 50: ...o selected from within the SDI 1 Status menu Select from the following modes Sony audio fifo min fastest processing delay Sony audio fifo mid medium processing delay Sony audio fifo max slow processin...

Page 51: ...th in the Data packet management chapter Using the Embed router Once de embedding and embedding groups have been chosen routing can be selected with the embed router Embed router for mode 3 Eight audi...

Page 52: ...io group is present in the incoming SDI data stream and a new audio group of the same number is to be embedded then the HANC space is blanked automatically and the Auto Blank HANC LED is illuminated T...

Page 53: ...preset if the operating mode or option card configuration is different to those established when the preset was created The presets are currently numbered 0 15 To store a preset proceed as follows En...

Page 54: ...itor bus will monitor de embedder outputs when de embedders are ON Digital silence will be output when de embedders are off See section 10 3 for further discussion of audio monitoring and pinout detai...

Page 55: ...d to refer to embedder audio signals only unless that embedder is OFF in which case de embedder signals are tested for silence If silence is sustained for more than the silence detect delay the assign...

Page 56: ...umper link is set on the DOP2 75 or DOP2 110 sub board The AES output phase may be varied over a range of just over 360 degrees The slider readout display shows a reading of 0 to 127 for indication pu...

Page 57: ...vary the size of the panes The two panes allow dual control display of both TANDEM 200 circuit paths or sides or two functions such as both embed and output routing can be shown for the same side The...

Page 58: ...embed Background audio of a sports event can be monitored on two channels de embed and commentary added on the other two channels embed This operation can be performed for two embedded SDI inputs Tip...

Page 59: ...section to de embed or select None to turn de embedding off for each side Selecting the de embedding mode Select the appropriate de embedding format for each side from the following modes Sony audio...

Page 60: ...ct None to turn embedding off for each side Selecting the embedding mode Select the required embedding format from the following modes SONY audio fifo min SONY 1 shortest processing delay SONY audio f...

Page 61: ...Selections made will turn dark red Invalid selections will be rejected and returned to the last valid selection Click on the Salvo button when finished Valid selections will turn bright red and new s...

Page 62: ...lick on the Salvo button when finished Valid selections will turn bright red and new source destination assignments will be loaded into the output routing table The warning text delay unavailable used...

Page 63: ...incoming SDI data stream and a new audio group of the same number is to be embedded then the HANC space is blanked automatically and the Auto Blank HANC LED is illuminated To manually blank the HANC s...

Page 64: ...he Embed Router menu Side 1 Embedding Router for mode 4 Side 2 Embedding Router for mode 4 The destinations for which the delay is active will be shown using the card edge codes under each slider Dela...

Page 65: ...d an empty preset Click on Store to save setup data into the selected preset To recall a preset proceed as follows Ensure GPI controls preset recall is unchecked Select appropriate preset with the Pre...

Page 66: ...ever increasing amount of jitter as it progresses through an SDI installation and as it passes through most equipment in its path To minimize this effect TANDEM has an SDI crystal controlled re clocke...

Page 67: ...trol slider of the Miscellaneous menu sets the silence detect delay from 0 to 128 seconds for the amount of time a signal is allowed to remain below 50dB wrt Full Scale before a silence error is flagg...

Page 68: ...ignal carried by the SDI signal The AES output clock is synthesised at a fixed rate derived internally from the TRS sync signals The AES reference input signal must be the same as that of the incoming...

Page 69: ...sion followed by the firmware version number for the control panel If the control panel firmware has been updated for Statesman control Statesman Mode will be entered and the message Press CAL to Exit...

Page 70: ...ds that have responded so far to the polling request Rotating the shaft encoder will cause the bottom row of the display to cycle through the successfully polled cards by name and node number When the...

Page 71: ...he four top level TANDEM 100 menus are STATS Status press F1 CNTRL Control and Routing press F2 CNFG Configure press F3 MON Monitoring press F4 The following chart shows the majority of the available...

Page 72: ...es The following shorthand codes are used in all TANDEM 100 control panel menus Menu code Function description SDI Serial Digital Interface or serial component digital signal SD Side or circuit of whi...

Page 73: ...ne F1 to F4 select further status menus for sdie1 and side 2 Side 1 DeMux status Sdi1 OK Grp n Aud1234 No Sdi1 if no SDI i p No Op Option fitted if Input option or none on side 1 Side 1 Mux status Sdi...

Page 74: ...e 1 group select F2 side 2 group select F3 delay and F4 routing assign sub menus Side 1 group select F2 and shaft encoder selects input group F4 and shaft encoder selects output group Press Enter to s...

Page 75: ...splay to read current audio routing assignments using providing F1 Acc is not pressed Use F2 in menu 1 2 4 to cycle through delay and or phase inversion choices Out 1 and Out 2 are used to refer to De...

Page 76: ...roup 2 with menu 1 2 1 for side 1 Menu 1 2 1 shows Control Side1 Mux AG in 1 AG out 2 F2 F4 Ensure Audio Group out is set to 2 Press F4 and rotate shaft encoder until AG out 2 is displayed Remember to...

Page 77: ...i1 Sdi2 Out1 Dop2 F1 F2 F3 F4 Press F2 to bring up destination Sdi 2 routing for Channels 1 4 for side 2 Menu 1 2 4 4 shows OP Option 2 Routing Ch1 Ch2 Ch3 Ch4 F1 F2 F3 F4 Press F3 to bring up source...

Page 78: ...CAL to change mode New mode will be effective after TANDEM re configuration Configure GPI GPI 1234 PRESET 0 to 15 F1 Store F3 Recall F4 Disable Store preset Preset no GPI status F4 saves setup select...

Page 79: ...toggles rear audio monitor bus output through Analogue AES and Off Headphone connector always ON F3 selects source menu Audio monitoring source Shaft encoder selects source reference The analogue mon...

Page 80: ...assign values to variables such as audio delay or routing assignments Changes made using the shaft encoder are generally not implemented immediately The display will normally flash alternately between...

Page 81: ...card audio source on side 1 Option card must be AIP2 DIP2 or RS4 Hn Option card audio source on side 2 Option card must be AIP2 DIP2 or RS4 In Option card audio destination on side 1 Option card must...

Page 82: ...S EBU digital input card DIP and side 2 has an AES EBU 75 Ohm digital audio output card DOP7 SDI signal status This display indicates the presence or absence of a serial digital video SDI signal on ea...

Page 83: ...Note if AIP or AOP fitted display is the same as SEL 5 If DIP fitted Cas12 Side 1 AES 1 2 channels present Cas 2 Side 1 AES 2 channel present only Das34 Side 2 AES 3 4 channels present Cas2 Das 4 AES...

Page 84: ...r select C Audio delay side 1 Set using ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay D Audio delay side 2 Set using ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay E Silence threshold S...

Page 85: ...F for side 2 SEL Display Comments E SD1 1234dE See section 8 8 for a detailed explanation F SD2 1234dE Input and output trouble shooting status The Input and Output status information used mainly for...

Page 86: ...valid This could occur as a result of changing sub boards or upgrading firmware The menu is obtained with MENU lever 6 ON DOWN all other levers UP OFF and the SEL switch in position B The display will...

Page 87: ...elected as part of the audio routing setup This is accomplished using the status display Menu switch with all levers OFF UP The SEL switch selects each side s de embedding or embedding functions and t...

Page 88: ...F embedding is implied Providing there is NO sign before the group number then there is no conflicting audio group present and audio will be embedded into that SDI stream Select an existing group to...

Page 89: ...2 Note The source and destination codes are the same as used in status displays Unavailable destinations are preceded by no in the display Rotation of the ADJ shaft encoder cycles through available s...

Page 90: ...lay Phase and D Destination represent the contents of the 10 digit display for valid destinations and sources ADJ rotation may be in either direction Clockwise rotation follows the sequence illustrate...

Page 91: ...ing ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay E Silence detect delay Sil DL xxs Set silence detect or threshold delay for both sides using ADJ shaft encoder for the amount of time a signal...

Page 92: ...s When monitoring de embedders the audio channels can only be chosen from groups selected in sub menu 6 and 7 in the Status Config menu The source for monitoring is selected prior to the audio routing...

Page 93: ...lect appropriate preset with the rotary SEL switch To store a preset put the MENU DIL lever 1 down and then up again To recall a preset put the MENU DIL lever 8 down and then up again The status displ...

Page 94: ...uous packing Blanking HANC before embedding This removes all incoming ancillary data except EDH after the inputs have been read and before any new data is embedded The menu is obtained with MENU DIL l...

Page 95: ...o group present Deletion status EDH data present The ancillary data status display is obtained with MENU DIL lever 6 ON DOWN all other levers UP OFF and the SEL switch in position E for side 1 and F f...

Page 96: ...e disturbance can ease the problem or in the case of upstream switching lines around the standard switching point can simply be avoided and not used for digital audio SMPTE standards 272M and 291M and...

Page 97: ...ONY2 SONY3 ALL ADJ XXXX 3 SD2B_XXXX As SEL 2 for side 2 ADJ XXXX 4 SD1C_XXXX or SD1E_XXXX The following embedding modes are available SONY1 SONY2 SONY3 SONY4 SMPTE1 SMPTE2 SMPTE3 SMPTE4 ADJ XXXX 5 SD2...

Page 98: ...phase may be varied over a range of just over 360 degrees The display shows a reading of 0 to 127 for indication purposes only The AES output frequency is set by the frequency of the by the frequency...

Page 99: ...llowing signal loss conditions will cause an alarm to be asserted via GPO 5 or GPO 6 irrespective of any user alarm selection Alarm signal trigger Immediate GPO alarm SDI input loss Always Embedded au...

Page 100: ...or ch 3 de embedder B if embedder is off to be flagged or ignored mask by the GPO 6 output ADJ flag or mask 7 2 4sl mask or 2 4sl flag Selects silence of audio ch 4 embedder D or ch 4 de embedder B if...

Page 101: ...or ch 3 de embedder B if embedder is off to be flagged or ignored mask by the GPO 6 output ADJ flag or mask 7 2 4sl mask or 2 4sl flag Selects silence of audio ch 4 embedder D or ch 4 de embedder B i...

Page 102: ...k 3 1 4sl mask or 1 4sl flag Selects embedder C audio channel 4 signal silence to be flagged or ignored mask by the GPO 5 output ADJ flag or mask 4 2 1sl mask or 2 1sl flag Selects embedder D audio ch...

Page 103: ...sl flag Selects silence of audio ch 2 embedder D or ch 2 de embedder B if embedder is off to be flagged or ignored mask by the GPO 6 output ADJ flag or mask 6 2 3sl mask or 2 3sl flag Selects silence...

Page 104: ...ode will be active once the configuration process is complete In general it is recommended to select the mode required just after an initial power up Once the selected mode is active load total defaul...

Page 105: ...e PLL mode from Off Sdi 1 or Sdi 2 with the shaft encoder Note An explanation of the PLL function may be found in the Introduction and the appropriate mode section of the Statesman chapter 9 14 Select...

Page 106: ...C provides information for Crystal Vision technical staff only BFormat test The BFormat test menu is obtained with MENU DIL lever 3 ON DOWN and all other levers UP OFF SEL Display Comments 4 Bformat...

Page 107: ...Analogue 110 digital audio 2nd SDI output 9 TANDEMs in 2U 75 digital audio No 2nd audio or SDI output 6 TANDEMs in 2U 3 in 1U Analogue 110 digital audio 2nd SDI output The single width rear connector...

Page 108: ...frame remote connectors GPI lines available at Audio I O connector and frame remote connectors Slots 1 3 5 7 9 and 11 used RM36 6 TANDEMs in 2U 3 in 1U All connections available Balanced digital or 11...

Page 109: ...fits in 4 8 or 12 RM08 Tandem RM08 9 TANDEMs in FR2AV frame 3 TANDEMs per rear connector Only signal I O available 75 unbalanced digital audio Audio monitoring bus AES bus and GPI lines available at...

Page 110: ...OR AES ref SD 1 AES2a OR AES ref 7 SD 1 2R SD 1 AES2scrn SD 1 AES2b SD 1 AES2b 8 SD 1 2R NC SD 1 AES2b GND 18 GND GND GND GND 9 SD 2 1L SD 2 AES1 SD 2 AES1a SD 2 AES1a 14 SD 2 1L SD 2 AES1 SD 2 AES1a...

Page 111: ...1a SD 2 AES1a 9 SD 2 1L SD 2 AES1 SD 2 AES1a GND 10 SD 2 1R SD 2 AES1scrn SD 2 AES1b SD 2 AES1b 22 SD 2 1R NC SD 2 AES1b GND 23 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 11 SD 2 2L...

Page 112: ...D GND GND c17 SD 2 1L SD 2 AES1 SD 2 AES1a SD 2 AES1a c19 SD 2 1L SD 2 AES1 SD 2 AES1a GND c20 SD 2 1R SD 2 AES1scrn SD 2 AES1b SD 2 AES1b c22 SD 2 1R NC SD 2 AES1b GND c23 SD 2 2L SD 2 AES2 SD 2 AES2...

Page 113: ...AES1b GND 11 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 16 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 17 SD 2 2R SD 2 AES2scrn SD 2 AES2b SD 2 AES2b 12 SD 2 2R NC...

Page 114: ...AES1 SD 2 AES1a GND 20 SD 2 1R SD 2 AES1scrn SD 2 AES1b SD 2 AES1b 21 SD 2 1R NC SD 2 AES1b GND 22 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 23 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES...

Page 115: ...side 2 10 2 Signal earthing Digital audio inputs are designed to have floating signal low connections for cable screens with internal RC networks connected between cable screens and chassis ground Thi...

Page 116: ...enabled by Statesman or set to flag by card edge control ignored if box not ticked or set to mask respectively loss of AES reference input to DOP2 75 or DOP2 110 if that error condition in enabled by...

Page 117: ...GPI Connections GPI lines 1 to 6 of each TANDEM card are brought to one of the four remote connectors at the rear of the FR2AV frame as follows Slot no GPI 1 pin rem GPI 2 pin rem GPI 3 pin rem GPI 4...

Page 118: ...mon2 mon3 mon4 1 7 16 17 25 3 4 14 13 23 5 10 11 19 20 GND 2 Analogue and AES EBU monitoring DTB AV Frame Active slot used with RM36 RM07 REMOTE 1 pins Analogue L L R R AES mon1 mon2 mon3 mon4 1 9 10...

Page 119: ..._1 AES_mon_2 AES_mon_3 and AES_mon_4 The AES bus is NOT selectable in the same way as the analogue monitoring output The 4 AES monitor outputs are automatically routed as follows Side 1 De embedder A...

Page 120: ...DC PSU sub module is also fitted J10 J3 PL2 DISP1 SIDE 1 SW1 SW3 SKT1 SW1 J4 J5 J6 J1 J2 SIDE 2 18V PSU POSITION TANDEM card showing audio sub module and PSU sub module positions J10 J3 PL2 DISP1 SID...

Page 121: ...holes and header sockets line up with the corresponding holes and header plugs on the main card push the sub module in place firmly taking care not to bend any pins fit the retaining fibre washers int...

Page 122: ...er links are provided to change input and reference terminations and pre set levels depending on sub module features AIP2 The AIP2 is identified on the silkscreen as the AIP2 LP to indicate its lower...

Page 123: ...JL3 RV3 Take care to note the adjustment and channel numbering on this sub board DOP2 110 This digital audio output module provides 2 110 Ohm AES stereo pairs or four mono outputs that may be used as...

Page 124: ...tween AES2 2nd buffered output upper 2 pins or REF I P external reference lower 2 pins Link jumper JL3 is provided to select the external reference input which is always fed via a D connector between...

Page 125: ...aveform error words indicated by V bit set high are ignored Occasional errors marked by V bit high such as would be the case with a noisy or too long AES input path are masked out by the processing If...

Page 126: ...set to compensate for the video processing time up to 681 milliseconds Because of the processing of the audio waveform error words indicated by V bit set high are ignored Occasional errors marked by V...

Page 127: ...h PL4 P4 HD AOP2 Selectable jumper links are provided to change input and reference terminations and pre set levels depending on sub module features HD AIP2 The analogue audio input module provides tw...

Page 128: ...e input which is always fed via a D connector between 110 Ohm upper 2 pins HiZ balanced centre pin only or 75 Ohm unbalanced lower 2 pins HD DOP2 75 This digital audio output module provides two 75 Oh...

Page 129: ...audio input module provides two AES stereo pairs or four mono channels that may be used as sources in subsequent embedding HD DIP2 Link jumpers are provided to select between 110 Ohm upper 2 pins HiZ...

Page 130: ...processing of the audio waveform error words indicated by V bit set high are ignored Occasional errors marked by V bit high such as would be the case with a noisy or too long AES input path are masked...

Page 131: ...are fitted incorrectly the following error messages will appear Code Meaning wrong ip L Left sub pcb input type is incorrect wrong op R Right sub pcb output type is incorrect no ip pcb No input sub p...

Page 132: ...ed audio or HANC space is filled with unspecified signals such as blank space that is not true black e g analogue blanking prior to A to D conversion without true digital blanking applied format error...

Page 133: ...nce The digital audio is not timed with the video lip sync error Check the digital audio delay for each TANDEM channel Audio phase is incorrect Check digital audio phase inversion is not selected or i...

Page 134: ...rm DxCs_xx_yy where xx represents the DSR status of SDI1 and yy represents the DSR status of SDI2 For example when DxSr_Ok_Ok is displayed the first Ok refers to SDI1 DSR and the second Ok refers to t...

Page 135: ...I2 correct but SDI1 has corrupted data inside the embedded audio block This may result in an incorrect parity value at the end of each sample 5 DxCF_xx_yy Codes Ok Er na ni SDI1 SDI2 Demux Channel For...

Page 136: ...SDI1 SDI2 Demux Channel Chrominance and Luminance Status n video standard 6 for a 625 input and 5 for a 525 input L Active Luminance is shown by L or x for dark or near dark values signal peaks below...

Page 137: ...to DIP2 PCBs fitted for SDI1 or SDI2 multiplexers V indicates active high or Validity Error o indicates Validity OK na indicates no DIP2 PCB Example Mx_VV_na AES inputs on DIP2 side 1 has Validity Bi...

Page 138: ...5 display status 9 2 1 1 6 9 select audio group 9 2 9 4 1 2 1 1 2 2 A B select audio monitor 9 2 9 5 1 4 C D adjust audio delay 9 2 9 4 1 2 3 E adjust silence time 9 2 9 4 n a F GPI enable disable 9 2...

Page 139: ...lso available on rear connector AES EBU monitoring also available on rear connector Crystal oscillator For continuous AES EBU output at all times Embed de embed timing Inter channel variation less tha...

Page 140: ...e audio input sub module Audio input 2 analogue stereo pairs or 4 mono channels 20 bit quantising A to Ds High input impedance 20K Ohm balanced Level range 0dBFS 28dBu max 0dBFS 12dBu max Default leve...

Page 141: ...ced 75 Ohm BNC Set by on board links Synchronisation Asynchronous audio to video 30kHz to 108kHz sample rates Total harmonic distortion 0 00017 THD N rms Signal to noise 117 dBFS 22Hz to 22kHz typ DOP...

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