Opening The Handheld Capnograph Case; Removing The Battery Pack - Mallinckrodt Nellcor NPB-70 Service Manual

Section 7: Disassembly Guide
7.2

OPENING THE HANDHELD CAPNOGRAPH CASE

7-2
1. Be sure the monitor is disconnected from mains power and remove
the battery pack from the monitor; push the release button at the
bottom of the monitor and pull out the battery pack as shown in
Figure 7-1.
Figure 7-1: Removing the Battery Pack