U1253B User’s and Service Guide XIX
Figure 4-29 Refresh rate for primary display readings 115
Figure 4-30 Resetting to default factory settings 116
Figure 4-31 Battery type selection 117
Figure 4-32 DC filter 118
Figure 5-1 9 V rectangular battery 123
Figure 5-2 Rear panel of the Agilent U1253B True RMS OLED
Multimeter 124
Figure 5-3 Self-testing time display 127
Figure 5-4 Performing self-test 128
Figure 5-5 Charging mode 130
Figure 5-6 Fully charged and in the trickle state 130
Figure 5-7 Battery charging procedures 132
Figure 5-8 Fuse checking procedures 133
Figure 5-9 Fuse replacement 136
Figure 6-1 Displaying all OLED pixels 139
Figure 6-2 Current terminal error message 140
Figure 6-3 Charge terminal error message 141
Figure 6-4 Unsecuring the instrument for calibration 152
Figure 6-5 Changing the calibration security code 154
Figure 6-6 Resetting security code to factory default 156
Figure 6-7 Typical calibration process flow 165