Quality control had shifted from the studios to the individual theatre owners, and even though there were nominal standards for setting the level of sound in projection, by the early 1970s the decision was usually left to the judgement of the projectionist
All products are set with default air pressure values, but if it cannot meet your needs, you can also manually adjust the air pressure value from the main control by pressing the "+" and "-" keys to increase or decrease the number (short press to increase or decrease by 0 each time) 1 value (long press for quick adjustment), adjust to the desired value and wait for 3 seconds for automatic setting to complete
Nucleic Acids Research, 31(4), 11741179
Next, I had it in my head, due to the name "Salty Dogs", that this was some really heavy, super strong, English navy style blend that is so often associated with tobaccos that have some reference to "navy" or whatever in their title