U5ERWD1QD LP-1 - High Frequency Response DTL TTL CMOS

How to : 1. RED to + terminal and BLACK to - terminal of of the under . The supply should not 18V 2. For TTL and DTL, set the select switch to the side marked "TIL" For CMOS, set the select switch to the side marked "CMOS", contact the probe pin to the to be tested. The will indicate states: A. ALL OFF -High impedance B. RED ON - High State (1) C. Green ON - low State (0) D. Orange ON - 3. For deteching and storing or level transition, set lower select switch to side marked "" first. Contact the probe pin to the poin to be tested. The will indicate is basic state. Then set the lower select switch to side marked "", The orange will light when any or level transition is detected. The direction, in comparison with the original basic, state, cabe determined. After , reset probe by setting the lower select switch back to side marked "" Colour: white Material: plastic Size: 14 x 3cm Contents: 1 x Probe