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5
Maintenance
Figure 5-3
Table 5-1
Battery voltage and corresponding percentage of charges in standby and charging
modes
Condition
Trickle
Charging
6 After pressing
152
Self-testing time display
Battery voltage
7.0 V to 9.6 V
7.2 V to 10.0 V
self-test to check whether the battery inside the multimeter is a rechargeable
battery. This self-test will take 3 minutes. Avoid pressing any of the
push-buttons during the self-test. If there is any error, the multimeter will
display error messages as shown in
or in the case of a restart, the multimeter will perform a
Table 5-2
Keysight U1253B User's and Service Guide
Proportional percentage
0% to 100%
0% to 100%
on page 153.
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