Chapter II
Portable digital multimeter
23
4. FUNCTIONAL
DESCRIPTION
4.1.
SEL/ON key
This can be used to switch on the multimeter again after an automatic shutdown. It can also be
used to access secondary functions associated with the selector switch positions.
The flowcharts below define these various functions.
4.1.1. V
AC
position
4.1.2. mV
position
SEL/ON
SEL/ON
DC voltage measurement
500 mV range
AC+DC voltage measurement
500 mV range
SEL/ON
Duty cycle - measurement
Duty cycle + measurement
SEL/ON
Frequency measurement
SEL/ON
AC voltage measurement
SEL/ON