1
Getting Started
The secondary display annunciators are described below.
Table 1-5
Secondary display symbols
OLED Annunciator
,
,
,
,
,
,
,
,
,
40
Description
AC+DC
DC
AC
Polarity, digits, and decimal points for secondary display
Decibel unit relative to 1 mW
Decibel unit relative to 1 V
Frequency units: Hz, kHz, MHz
Resistance units: , k, M
Voltage units: mV, V
Current units: A, mA, A
Conductance unit: nS
Capacitance units: nF, F, mF
Celsius ambient temperature unit
Fahrenheit ambient temperature unit
No ambient temperature compensation; just thermocouple measurement
Pulse width unit
Bias display
Keysight U1253B User's and Service Guide