46
5. Press and hold the
“FUNC”
button and touch the tip of the meter probe to the circuit being
measured. Observe the logic state indicated by LED light – Red LED light indicates high level/
logic “1” and green LED light indicates low level/logic “0”.
6. The display may also show the sign “r” or “s”. “r” expresses high level/logic “1” and “s ”
expresses low level/logic “0”.
NOTE:
•
If the input open circuit (or the object’s logic state is lower than 1.5V), the green LED will light
up.
•
You must hold the
“FUNC”
button down during the logic testing.
Summary of Contents for CDM80
Page 1: ...CDM80 PEN PROBE DIGITAL MULTIMETER OPERATING MANUAL Model CDM80 Part No 4500085...
Page 51: ...51 NOTES...
Page 52: ......
