Agilent Technologies U1251B User's And Service Manual page 113

Error Condition
OL
• No battery in the meter
• Battery failing
• Battery is full
Agilent U1251B/U1252B User's and Service Guide
5 After pressing Shift or when the self- test starts, the meter
performs a self- test to check if the battery in the meter is
the rechargeable type. The self- test takes about 2 to 3
minutes. Avoid pressing any button during the self- test. A
message is diplayed as shown below.
Figure 5-2 Self test
Secondary Display
Maintenance 5
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