Extron electronic 4LQXI, 4LDXI manual Iii

	Contents
Verkabelung vom System 4 innerhalb eines Gestells	B-6
Upgrading Main Controller Board Software and Battery Replacement	B-7

Legend of Icons

_________ Important information – for example, an action or a step that must be done

before proceeding.

_________ A Warning – possible dangerous voltage present.

_________ A Warning – possible damage could occur.

_______ A Note, a Hint, or a Tip that may be helpful.

________ Possible Electrostatic Discharge (ESD) damage could result from touching

electronic components.

________ Indicates word definitions. Additional information may be referenced in another

section, or in another document.

Extron’s System 4xi User’s Manual 68-162-01

First edition – Rev A, 59-07

Second edition – Rev B, 79-02 Third edition – Rev C, 99-12 New format without projectors

Extron • System 4xi Switcher Series • User’s Manual iii