Amprobe ULD-400 Series, User Manual, Page: 15 / 66

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5. MAINTENANCE
5.1 Changing the Receiver Batteries
The ULD-400-R uses four 1.5 V AA (LR6) batteries (supplied). To replace the batteries, follow
these steps:
1. Make sure that the Receiver is turned off.
2. Use a screw driver to unscrew the captive screw.
3. Remove the battery cover.
4. Replace the batteries as shown in Figure 5.1. Observe the battery polarity shown in the
battery compartment.
5. Replace the battery cover and secure it with the provided screw.
AA
AA
AA
AA
Figure 5.1: Changing the Receiver batteries