OldNSalty
Contributor
And with proper gas/dive planning you do not even need to look to see how much gas you have. You already know that unless something terribly wrong has occurred, you have the gas to complete the dive.
I understand that you are saying an experienced diver uses his gauges to verify what he already knows and should never be surprised at how much air it is reading but lets try not to encourage folks to dive without gauges -old divers using old stuff excluded.