Power Meter Operation
Battery Operation (Option 001)
2-6 Agilent E4419B User’s Guide
Figure 2-2:  Battery Removal/Replacement
1. Using a flat headed screwdriver, turn the two spring-loaded catches one 
quarter turn anticlockwise.
2. Holding the catches, pull the battery assembly clear of its slot in the power 
meter.
3. Support the closure assembly on a flat surface.
4. Pinch the release tab between finger and thumb while -
5. lightly pressing down on the battery module.
Replacing the battery is basically a reversal of the removal procedure.
1
2
Release Tab
Battery
Module
Closure
Assembly
3
4
5
HP4402.book  Page 6  Thursday, November 30, 2000  1:39 PM