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Top Case Assemblies
4-54
Restore any other connections, including replacing the defibrillator
c.
capacitor and plugging the battery connector back onto the Power
PCA if needed.
6. Check the membrane switches as follows:
Close the case but do not install screws at this time.
a.
Replace the battery, and enter Diagnostic Mode (see "Diagnostic
b.
Tests" on page 2-16).
Perform the Controls Test and check each of the Manual/Pacing keys
c.
(see "To check the Controls (keys):" on page 2-19). If there are any
failures, carefully reseat each of the Manual Key flexes into their con-
nectors on the Interface PCA and try again.
When the keys are known to be working, turn the power off and pro-
d.
ceed with the installation.
7. Install the rubber overlay as follows:
Clean the surfaces of the case and membrane switches (NOT the
a.
overlay) thoroughly with isopropyl alcohol (an alcohol wipe is fine).
Allow to dry completely.
Peel the backing material off the rubber overlay. Handle very care-
b.
fully and touch the adhesive as little as possible.
Starting with the top edge, align the overlay very carefully and roll it
c.
down slowly into place.
Press firmly all over, especially the edges, to adhere the new overlay
d.
into place.
8. Be sure to specifically check the operation of each of the keys during Per-
formance Verification by performing a Controls Test (see "To check the
Controls (keys):" on page 2-19).
Removal and Replacement
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