Technical data

Maintenance 6
U1401A User’s and Service Guide 119
Battery replacement
The instrument is powered by four sets of rechargeable
batteries. To ensure that the instrument performs within its
specifications, it is recommended that you replace the
batteries immediately when the low battery annunciator
starts flashing. Below are the procedures for battery
replacement:
1 Loosen the screw of the battery cover on the rear panel.
2 Slide the cover to the left, pull it up, and remove it. See
Figure 6- 1.
3 It is recommended that you replace all the batteries.
4 To close the battery cover, reverse the procedures above.
WARNING
The batteries contain nickel-metal hydride and must be recycled or
disposed off properly.
Remove all test leads and external adapter before opening the case.
CAUTION
To avoid instruments being damage from battery leakage, always
remove dead batteries immediately.