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Phabrix Qx IP Series - Video Timing & System Reference; System Reference Lock

Phabrix Qx IP Series
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l Cursor > Source > Sub Image > [Sub Image 1, Sub Image 2, Sub Image 3, Sub Image 4] (standard
dependant)
l Navigate > [calls up navigation keypad]
l Base > [hex, decimal, binary]
For 6G-SDI and 12G-SDI video standards the option is provided, to view the data stream before sync bit
removal or after sync bit removal.
l Sync Bit Removal > [Enabled, Disabled]
Enabling ‘Sync Bit Removal’ reverts affected bits to the original value they held prior to sync bit insertion.
This reversion is observable in the TRS and ADF words.
Note: This feature applies only to 6G-SDI and 12G-SDI video standards, where the inclusion of a sync bit is
defined in the SMPTE standards. Signals not containing sync bits are unaffected.
Analysis
Video Timing & System Reference
The upper part of the instrument view is devoted to ‘SDI A vs System Reference timing comparison
(‘Decapsulated vs Reference in IP Mode); and system reference is set in the instrument submenu.
The lower part displays 'SDI Co-Timing' information for elements of a quad or dual link signal.
System Reference Lock
The submenu accessed by right clicking within the ‘Video Timing and System Reference window calls up
system reference locking controls; defining the reference that the Qx system and any signal it generates will
be locked to:
l System Reference > [Free Run, External Reference, SDI (SDI Modes only)]
l Default To Freerun > [Enabled, Disabled]
System reference status information is displayed in the upper right hand corner of the instrument, and any
reference health state error will be displayed in red.
PHABRIX Qx User Manual Page 45

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