11
2.3
Operational elements at the front side
The system has an illuminated graphical display with a resolution of 160 x 32 pixel
and 19 operating buttons.
On the right next to the display there are two softkeys whose current functions are
indicated on the display. In the middle there are two cursor buttons (upwards/
downwards) as well as an OK button. The numerical pad supports the characters
0...9, ’*’ and ’#’.
2.4
Front status LEDs
The system has five LEDs for status indication. When the device boots, all five LEDs
blink.
•
POWER: green
o
OFF
o
ON
•
SYNC: yellow
o
OFF (no alarm)
o
ON (configured reference clock available)
o
BLINK (configured reference clock missing)
•
ALARM: red
o
OFF (no alarm)
o
ON (any application alarm)
o
BLINK (any system/hardware alarm)
•
INFO 1: yellow
o
OFF (Channel 1 configured OFF)
o
ON (no input errors for Channel 1)
o
BLINK (
input errors for Channel 1
)
•
INFO 2: yellow
o
OFF (Channel 2 configured OFF)
o
ON (no input errors for Channel 2)
o
BLINK (
input errors for Channel 2
)