First Edition – Rev A, - Extron electronics System 4LQ
xi User Manual

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
_________ 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
________ Indicates word definitions. Additional information may be referenced in another
Extron • System 4 xi Switcher Series • User's Manual
before proceeding.
electronic components.
section, or in another document.
Extron's System 4 xi 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
Contents
iii