1 Getting Started
34 Keysight U1251B and U1252B User’s and Service Guide
Table 1-3 General display symbols
LCD symbol Description
Remote control
Thermocouple types: (K-type) (J-type)
NULL
Null math function
Diode / Audible continuity
Audible continuity for resistance
View mode for checking logged data
Data logging indication
Square wave output (U1252B only)
– Positive slope for pulse width (ms) and duty cycle (%) measurement
– Charging capacitor as capacitance measurement
– Negative slope for pulse width (ms) and duty cycle (%) measurement
– Discharging capacitor as capacitance measurement
Low battery indication
Auto power off enable
Refresh (auto) Hold
TRIG
Trigger (manual) Hold
MAXMINAVG
Dynamic Recording mode: Present value on primary display
MAX
Dynamic Recording mode: Maximum value on primary display
MIN
Dynamic Recording mode: Minimum value on primary display
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