Maintenance 5
U1253B User’s and Service Guide 127
6 After pressing or in the case of a restart, the
multimeter will perform a 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
Table 5- 2 on page 128.
Figure 5-3 Performing self-test