Introduction
Figure 1-2. Example of a MX20 I/O System Block Diagram
Power/Dimming
Graphic Display
Line Select Keys
Menu/Enter Key
Function Key
Data Card Ejector
Photosensor
Smart Key Labels
Data Card
Smart Keys
Mounting Screw
Display Title
Figure 1-3. MX20 Front Panel Description
NOTE
Earlier versions of the MX20 have a rotary knob to control power and dimming functions.
MX20 Installation Manual
560-1025-09 Rev E
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