Features and Functions 2
34405A User’s and Service Guide 39
The table below shows the secondary display capabilities for 
all measurement functions.
Repeatedly pressing   cycles through the secondary 
display choices for the present measurement function as 
shown in the table below. The temperature, continuity and 
diode functions do not have secondary displays.
.
• When a second measurement function is selected, its 
resolution will match the primary measurement setting 
and, whenever possible, it will use autorange. 
• Enabling any math operation turns off the secondary 
display for measurements. All math operations offer 
predefined displays that can be presented on the 
secondary display as described on the next page.
• For remote operation, refer to the DISPlay:WINDow2 
commands in the Agilent 34405A Online Programmer’s 
Reference online help. 
Disp
 Secondary Display
Primary Display Default Secondary Display Press Disp Key Once Press Disp Key Twice
DCV DCV range ACV Off
DCI DCI range ACI Off
Resistance Resistance range Off Resistance Range
ACV ACV range Frequency Off
ACI ACI range Frequency Off
Frequency AC Voltage Range ACV Off
Capacitance Capacitance range Off Capacitance Range
Te mp e rat ur e O ff Of f Of f
Continuity Off Off Off
Diode Test Off Off Off
34405A users guide.book  Page 39  Saturday, September 2, 2006  3:38 PM