7
LCD display
8
MODE button
Changing of measurement mode
9
RANGE button
Manual range selection
10
Hz/% button
Frequency/duty cycle selection
13
battery cover
4.2
LCD display
Illustration 2. LCD display of the CMP-401 meter
– minus sign
AC, DC – AC (alternating current) and DC (direct currrent)
AUTO – AutoRange mode
– diode test mode
– continuity check mode
HOLD – Data Hold mode
ZERO – Relative Measurement mode
CMP-401 – USER MANUAL
39