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18 Agilent U1251A/U1252A User’s and Service Guide
1 Getting Started Tutorial
Selecting display with the Dual button
Press to select different combinations of dual display.
Normal single display resumes after you press and hold
for more than 1 second. See Table 1-8 below.
Table 1-8 Selecting display with the Dual button
Rotary switch position (Function) Primary display Secondary display
(AC voltage)
AC V Hz (AC coupling)
dBm or dBV (select
by pressing )
AC V
AC V
Ambient temperature °C or °F
for U1252A
(AC voltage)
AC V Hz (AC coupling)
dBm or dBV
[1]
AC V
AC V DC V
AC V
Ambient temperature °C or °F
V for U1251A/
for U1252A
(DC voltage)
DC V Hz (DC coupling)
dBm or dBV
[1]
DC V
DC V AC V [for U1252A]
DC V
Ambient temperature °C or °F
for U1252A
(AC + DC voltage)
AC + DC V Hz (AC coupling)
dBm or dBV
[1]
AC + DC V
AC + DC V AC V
AC + DC V DC V
AC + DC V
Ambient temperature °C or °F
(AC voltage)
AC mV Hz (AC coupling)
dBm or dBV
[1]
AC mV
AC mV DC mV
AC mV
Ambient temperature °C or °F
(DC voltage)
DC mV Hz (DC coupling)
dBm or dBV
[1]
DC mV
DC mV AC mV
DC mV
Ambient temperature °C or °F