A screenshot from a NASA documentary that shows a console for "Operator 1". The text reads:
<span class="allcaps" style="text-transform:uppercase;"><pre>Pre-valves open
Emergency vent valve closed
Helium pressurizations
Fuel tank ullage pressure 16 psi
</pre></span>
NASA
2020-03-20 22:49:43
NASA documentary footage of the Apollo 11 launch