Red Epic 4K Broadcast Module Operation Manual
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COPYRIGHT © 2015 RED.COM, INCR E D 4 K B R O A D C A S T M O D U L E O P E R AT I O N G U I D E 955-0072, REV-E | 20CANNOT GENLOCK VIA 4K BROADCAST MODULESYMPTOMS Cannot genlock the camera when a genlock device is connected to the 4K Broadcast Module. The GEN indicator does not illuminate green.POTENTIAL RESOLUTIONEnsure that each of the following has the same frame rate: Sensor Frame Rate Project Time BaseGENLOCK NOT IN SYNC WHEN USING LONG CABLESSYMPTOMThe camera is receiving an incoming genlock signal, but third-party broadcast infrastructure (such as a switcheror video ingest equipment) indicates that the video does not align with the genlock signal.Since this issue occurs when the video reaches third-party infrastructure, the camera does not indicate anyerrors due to this issue.EXPLANATIONIf using long cables to connect the 4K Broadcast Module to a genlock device or the video ingest point, thevideo may be delayed once it reaches the video ingest point.For example, using a 1 km fiber optic cable to connect the 4K Broadcast Module to a switcher creates a 2 kmround trip for the video signal. This results in a round trip delay of about 10,000 nanoseconds. For 59.94 FPS,one pixel time is 6.73 nanoseconds, so the round trip delay is about 1485 pixels.POTENTIAL RESOLUTIONS Offset the signal in the broadcast truck using third-party infrastructure. Offset the video signal in-camera to align it with the genlock signal:NOTE: The Offset feature will be available in future firmware.A. Go to Menu > Settings > Display > 4K Broadcast.B. Select the genlock offset from the right Genlock drop-down menu. Range is –8,000 pixels to 10 pixels.default is 0 pixels.‒ Negative offset: Advances the video, so the video reaches the switcher earlier than it would other-wise.‒ Positive offset: Advances the video, so the video reaches the switcher later than it would otherwise.C. Continue to adjust the genlock offset until the video ingest equipment indicates that the video signalaligns with the genlock signal.CAN ONLY SELECT QUADRANT AS OUTPUTSYMPTOMGo to Menu > Settings > Display > 4K Broadcast. The only option in the left Output menu is Quadrant.EXPLANATIONThis is normal behavior. At this time, the only option in the left Output menu is Quadrant. Additional options maybe available in future firmware. |
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