U1231A/U1232A/U1233A Handheld Multimeter
Understanding the Rotary Switch
4 U1231A/U1232A/U1233A Quick Start Guide
Understanding the Rotary Switch
Some rotary switch positions have a shifted function printed in 
orange. Press   to switch between the shifted and regular 
function.
Legend Functions shown in the primary display
Low input impedance — VZ
LOW
 Auto (AC or DC)/ 
VZ
LOW 
DC V/VZ
LOW 
AC V for eliminating ghost voltages
AC V/Frequency
DC V
Resistance/Short continuity/Open continuity
[1]
Diode
Capacitance/Temperature (U1233A only)
Capacitance/Auxiliary Temperature (U1232A only)
Capacitance (U1231A only)
DC or AC A/Frequency
DC or AC μA/Frequency
Clamp-on AC or DC A/Frequency (U1231A only)
Auxiliary Temperature (U1231A only)
[1]
Open continuity option must be enabled through the multimeter’s Setup 
(  >  ). Open continuity is disabled by default.
Remove the test leads from the measuring source or 
target before changing the rotary switch position.
Refer to the U1231A/U1232A/U1233A User’s Guide for a 
complete list and description of all rotary switch labels for 
each separate multimeter model.