sure your A/V chain passes the signal through without quality degradation,
if you first set up a static picture as a signal and then switch to the loop
input to verify that the signal stays stable without color e.g. shifts [#]_.
-See the section on :ref:`the frame analyzer <analyzer>` for other ways of
+See the section on :doc:`the frame analyzer <analyzer>` for other ways of
debugging signal integrity.)
For this, the *timecode output* is useful; you can turn it on from the Video