Service and Maintenance 4
Keysight U1241B and U1242B User’s and Service Guide 53
3 Lift and remove the battery cover.
4 Replace the specified batteries, ensure the correct polarity of batteries.
5 Reverse the procedures of opening the cover to close the battery cover.
Figure 4-1 Battery replacement
Battery Types ANSI/NEDA IEC
Alkaline 24A LR03
Zinc Chloride 24D R03