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IQBRT8

SECTION 41b

IQBRT8OPS 020403

Version 1 Issue 7

41b.31

PPM Scaling

PPM 0dBu Reference

These selections allow the 0 dBu reference point
for Inputs 1 to 8 to be set.

The value may set be from –12 dB to -24 dB in
steps of 1 dB.

Preset value is –18 dB

Help

Information Window Definitions

This screen explains the abbreviations that appear
in the information window.

Summary of Contents for IQBRT8

Page 1: ...of a reference the inputs can be re sampled to an internal 48 kHz reference of 10ppm or Input 1 The IQBRT also accepts 48 kHz non PCM audio bitstreams but must be synchronous to the IQBRT synchronisin...

Page 2: ...PUTS AES AUDIO OUTPUTS AES REF IN MON OUT IQBRT8 2 D IQBRT8 8x8 Digital Audio Router Balanced I O 2 IQBRT6 2 B AES OUTPUTS 2 1 4 3 MON AES SPDIF INPUTS REF 1 2 4 3 5 6 IQBRT6 2 B IQBRT6 6x4 Digital Au...

Page 3: ...They are not interchangeable between the two styles of enclosures However the cards may be fitted into any style of enclosure A Style Enclosure Rear panels with the suffix A may only be fitted into th...

Page 4: ...Am p P ro c Am p Features Up to 8x8 AES EBU Router for PCM and non PCM audio plus an AES Preview output 24 bit sampling rate converters on all inputs required to synchronize asynchronous digital audi...

Page 5: ...ndently configure the 8 outputs to any of the 8 inputs Take Button Initiates routing Indicators AES Input error Illuminates when there is an error on the AES inputs Sync Loss Illuminates when locking...

Page 6: ...11 1997 spec Free run stability Grade 2 10 ppm Digital Reference Input Pull In Range 2 Hz Distortion THD Noise 24 bits 117 dB 1 kHz 1 dBFS SRC I O ratio 0 33 to 1 7 104 dB 1 kHz 1 dBFS SRC I O ratio 0...

Page 7: ...ed the outputs will be locked to this signal Reference Input D version This is for a video reference only A black burst signal 525 or 625 line standard may be connected to this BNC connector Reference...

Page 8: ...AES Audio Outputs B versions All AES Audio output connections are made via BNC connectors Monitor Output D version A channel status monitoring display output is also available from this 9 way D connec...

Page 9: ...GND1 2 AES IN 1 AES OUT 1 1 15 AES IN 1 AES OUT 1 1 3 AES IN 2 AES OUT 2 2 16 AES IN 2 AES OUT 2 2 4 AES IN 2 Ground AES OUT 2 Ground GND2 17 AES IN 3 Ground AES OUT 3 Ground GND3 5 AES IN 3 AES OUT 3...

Page 10: ...Connection Details to XLR Connectors D versions 25 way Connection Data IQBRT8 2 D 8 x 8 9 way Connection Data IQBRT8 2 D 8 x 8 AES In Out 2 AES In Out 4 AES In Out 6 AES In Out 8 AES In Out 1 AES In...

Page 11: ...elected locking source has been lost AES Input Status These LED s indicate the status of the inputs The LED will flash if there is no AES signal at that input The LED will be OFF if the input is OK Ta...

Page 12: ...s position Note that only positions 1 to 6 and 9 are used on the IQBRT6 2 SW2 This switch selects the output destination as shown in the table below Note that only positions 1 to 4 are used on the IQB...

Page 13: ...IQBRT8 SECTION 41b IQBRT8OPS 020403 Version 1 Issue 7 41b 13...

Page 14: ...d Whenever a menu item is selected the parameters of that selection will be displayed in the Information window of the front panel Where the selection is purely a mode selection and does not enable a...

Page 15: ...will occur immediately Preset is to selected text highlighted Protect This function allows the selected source destination route to be locked The route cannot then be disturbed by other controls Prote...

Page 16: ...election allows individual select the location memory number or all select Preset_All_Memories memory locations to be preset to their default factory settings Names This selection allows the naming of...

Page 17: ...lay This menu allows information about the input output signals and channel status to be displayed in the information LCD window Prev Next The previous and next functions allow the previous Input Outp...

Page 18: ...tween 12 dBFS and 24 dBFS using the PPM Scaling item in the Setup menu This metering function follows standard Peak Programme characteristics Input_CS_Data Selecting this item will display information...

Page 19: ...N PCM as it is assumed that the non audio data sampling rate is 48 KHz Input_1 to 7 Input_2 to 8 Selecting an input will reveal a menu that allows the gain of that input to be adjusted and either of t...

Page 20: ...ation will be displayed when the Inputs display is selected Selections available are Video Unit will lock to the video input Reference signal AES_Reference Unit will lock to the AES Reference Note tha...

Page 21: ...edited The input should be selected from the Edit menu Input_1 to 8 Once the input has been selected either of the subframes may chosen Subframe_1 Subframe_2 Origin This allows the originating channel...

Page 22: ...uency and amplitude of the tone may be set Freq The frequency may be set from 250 Hz to 15 750 kHz in steps of 250 Hz Pressing the Return button on the front panel will select the value that is displa...

Page 23: ...ence of the Video reference signal Factory preset is nothing enabled Preset_Unit Selecting this item sets all adjustment functions that include a preset facility to their preset values Note that this...

Page 24: ...s function allows an input source before any processing to be selected and monitored by an AES monitoring device connected to the monitoring output on the rear panel Enable Take When selected this fun...

Page 25: ...the selected input and also the sampling rate This will also indicate whether or not the input has been inverted by inserting a suffix of INV or if the input has been muted by inserting MUTED If the...

Page 26: ...s Gain This screen allows the input gain to set for each of the eight inputs The range of adjustment is from 18 dB to 6 dB in steps of 0 1 dB Preset is to 0 0dB Input Polarity Invert Polarity This all...

Page 27: ...selected for the outputs and either of the subframes Note that the test tone and level set here will be used for all applications It is not possible to select different tones for different outputs or...

Page 28: ...ext This screen allows channel status information for the origins and the destinations to be inserted edited and enabled To change the information type the new data in the text area and select return...

Page 29: ...d select return Preset returns to the default names Save Clear Memories Save User Memory This function allows the settings of all items to be saved Up to 8 different set ups may be saved in the 8 memo...

Page 30: ...unable to maintain lock the information display will indicate ERR instead of OK and Fsi will indicate the reference input sampling rate to the nearest 1 kHz AES Input_1 Unit will lock to the signal at...

Page 31: ...Reference These selections allow the 0 dBu reference point for Inputs 1 to 8 to be set The value may set be from 12 dB to 24 dB in steps of 1 dB Preset value is 18 dB Help Information Window Definiti...

Page 32: ...and Protect item added New manual Issued 050401 1 3 Performance data added to spec New issue released 100501 1 4 9 way connection picture added New issue released 080601 1 5 Tech spec output data clar...

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