JUMO LOGOSCREEN 550 cf, Operating Manual

Page: 11 / 138

11
2 Device description
2.1 Displays and controls
1
Not from the configuration level if a parameter has already been modified there.
2
CompactFlash
®
is a registered trademark of the SanDisk Corporation.
H
The life of the background illumination can be prolonged by
making use of the screen saver.
v
Chapter 4 “Configuration parameters”,
Parameterization
Î
Display off
Status LED (red)
is on continuously while
an alarm is present
Enter
- select menu item
- enter selection
Menu
return to the basic menu
1
Exit
- previous window
- cancel the
present action
Menu-dependent function keys (softkeys)
screen-dependent functions, represented by text or symbols
Color display
320 x 240 pixels, 27 colors
Cover
for the CompactFlash
®
slot
2
to open the cover of the
CompactFlash slot
Power LED (green)
This is lit continuously as
soon as power is applied.
It blinks when the screen
saver is active.