Keysight U1251B and U1252B Handheld Digital Multimeter
User’s and Service Guide
101
4 Changing the Default 
Setting
Selecting Setup Mode    102
Setting Data Hold/Refresh Hold Mode    106
Setting Data Logging Mode    107
Setting Thermocouple Types (U1252B only)    108
Setting Reference Impedance for dBm Measurement    109
Setting Minimum Frequency Measurement    110
Setting Temperature Unit    111
Setting Auto Power Saving Mode    113
Setting Percentage (%) Scale Readout    115
Setting Beep Frequency    116
Setting Backlight Timer    117
Setting Baud Rate    118
Setting Parity Check    119
Setting Data Bit    120
Setting Echo Mode    121
Setting Print Mode    122
Returning to Default Factory Settings    123
Setting the Battery Voltage    124
Setting the Filter    125
This chapter shows you how to change the default factory settings of the U1251B 
and U1252B and other available setting options.