Keysight U1253B User’s and Service Guide 19
List of Tables
Table 1-1 Rotary switch description and functions . . . . . . . . . . .31
Table 1-2 Keypad descriptions and functions . . . . . . . . . . . . . . .33
Table 1-3 General display symbols . . . . . . . . . . . . . . . . . . . . . . .36
Table 1-4 Primary display symbols . . . . . . . . . . . . . . . . . . . . . . . .38
Table 1-5 Secondary display symbols . . . . . . . . . . . . . . . . . . . . .40
Table 1-6 Analog bar range and counts . . . . . . . . . . . . . . . . . . . .41
Table 1-7 Selecting display with the Shift button . . . . . . . . . . . .42
Table 1-8 Selecting display with the Dual button . . . . . . . . . . . .44
Table 1-9 Selecting display with the Hz button . . . . . . . . . . . . . .47
Table 1-10 Terminal connections for different measurement
functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Table 2-1 Numerical steps descriptions . . . . . . . . . . . . . . . . . . . .52
Table 2-2 Percentage scale and measurement range . . . . . . . . .59
Table 2-3 Audible continuity measurement range . . . . . . . . . . . .68
Table 3-1 Available frequencies for square wave output . . . . .103
Table 4-1 Default factory settings and available setting options
for each feature . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Table 4-2 Available settings for M-initial . . . . . . . . . . . . . . . . . .137
Table 4-3 Firmware version 2.25 or older . . . . . . . . . . . . . . . . .144
Table 4-4 Firmware version 2.26 or newer . . . . . . . . . . . . . . . . .144
Table 5-1 Battery voltage and corresponding percentage of
charges in standby and charging modes . . . . . . .152
Table 5-2 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
Table 5-3 U1253B measurement readings for fuse checking . .158
Table 5-4 Fuse specifications . . . . . . . . . . . . . . . . . . . . . . . . . . .160
Table 5-5 Basic troubleshooting procedures . . . . . . . . . . . . . . .162
Table 6-1 Recommended test equipment . . . . . . . . . . . . . . . . .168
Table 6-2 Performance verification tests . . . . . . . . . . . . . . . . . .174
Table 6-3 Valid adjustment reference input values . . . . . . . . . .188
Table 6-4 List of calibration items . . . . . . . . . . . . . . . . . . . . . . .196
Table 6-5 Calibration error codes and their respective
meanings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .201