Information & news about polygraph and lie-detection for the public, polygraph examiners, and other lie-detection professionals nationwide. See the website www.peoa.US or call 818-883-6969 for more information.
Analog 'Technical Tip':
If the blood-pressure cuff will not hold pressure, check the (little used) vent knob. Hidden amongst sensitivity knobs and others, verify that it is solidly closed.