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Testing Input Signals — WSU

Testing Input Signals — WSU - Testing Input...

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Testing Input Signals A few rules apply to testing intput circuits: NEVER substitute a test light for a Digital Multi-Meter or vice-versa. NEVER use a test light with a hot resistance of lower than 20 ohms when testing intput signals to computers. Back-probing terminals is done when live circuit measurements are required. It is always better to back-probe a terminal than it is to pierce a wire's insulation to obtain a measurement. Insert a long
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