VIDEO DIAGNOSTIC WORKSHEET — GLMEDIA
Blank worksheet for recording setup information and tests.

CONTEXT
Event / date / venue / program segment:
Show director / operator / technician coordinating the test:
Agreed test window / outputs potentially affected / backup ready:

SYMPTOM
Time / destination / exact message or observed picture:
Black / No Signal / frozen / partial area / other observation:
Expected content / what should have changed:
Where the picture remained visible / which controls responded:
Last known change before the symptom:
Reference screenshot or video / identifier and date:

ACTUAL SIGNAL PATH — REPEAT FOR EACH SECTION
Source / application / file / version:
Equipment and model / input / output / setting checked:
Identified cable or adapter / next device:
Format reported at this point / input checked:
Observed picture / how it was checked / time:
Branches to room screens, live stream, recording or other destinations:
Unavailable reading or point still to be checked:

COMPARISON — REPEAT FOR EACH TEST
Test identifier / person responsible / time:
Previous observation / possible cause to test:
Initial source, receiver, connection and format:
Variable changed / other changes required:
Test monitor / selected input / reported status and picture:
Was a receiver or branch added or changed from the actual signal path?:
Result / conditions / what this comparison establishes:
What remains unchecked / whether the symptom can be reproduced:
Model and manual edition used / control or page:

RETURN TO SHOW
Test patterns or material removed / state restored:
Source, content and playback position / audience-output selection:
Result in room / live stream / recording / other destinations:
Recorder monitor / saved take, segment and tracks actually reviewed:
File review still required / reason / person responsible:
Picture and sound checked when the segment uses both:
Observation time and conditions / recurrence or differences:
Who checked the result / outstanding checks and person responsible:

REPORT
Observed steps to reproduce / expected result / actual result:
Versions, revision, platform / available evidence and logs:
Observed recovery / confirmed cause, if supported by evidence:
Next agreed comparison / person and date:

Keep observations, possible causes, recovery and confirmed cause separate.
The test applies to the recorded equipment, signal paths and conditions.