Emerson Process Management ControlWave EFM 3808 - Manual (Page 114)

2-62 / Installation & Operation CI-ControlWave EFM
Figure 2-49 - 25-Button Display/Keypad Assembly Installation Drawing
2.4.5.1 Operation of the Dual-button Display/Keypad Assembly
The Display will have a timeout of 20 minutes. If there has been no keypad activity for this
time the display will “logout,” i.e., the display will be turned off and scrolling stopped until
a key press occurs. When a key press occurs after a timeout the display will return to the
opening screen.