8.8“ Touchscreen Colour Display AHD 880 TC
Operation
40
V5
7.1
Startup
Start Page
The Color Display AHD 880 TC is automatically powered on and
begins the boot up process when the connected power supply is
activated.
After Startup:
During the device initialization, a Start Page first appears on the
display (standard page or optionally, customer specific version):
During the initialization process, the internally stored system con-
figuration is loaded, and the current sensor data are transmitted to
the Color Display AHD 880 TC via the CAN-bus:
After the process is completed, the display automatically switches
to the first measuring point page.
During normal condition, the two frontside LEDs display as follows:
green
LED “power” = power supply to the device established
red
LED “failure” = flashes, when the CAN bus
communication is disturbed
7.2
Key Functions
The Color Display AHD 880 TC is equipped with a touchscreen
surface. All operating elements are represented as virtual operating
keys and must be touched to execute the corresponding function.
The touch is visually simulated as a key press, so that the user
receives feedback every time.
The following table shows the virtual standard keys:
Functions of Standard Operating Keys (Instrument and Standard Pages)
Key
“Alarm Page”
Key press switches the display to the Alarm Page (list of currently
pending alarms).
Key colors:
White:
no pending alarms
Red:
at least 1 currently pending alarm
Key for acknowledging the acoustic signal (“Quit Horn”)
Key press switches off internal horn and any externally connected
signal devices.
Key colors:
White:
no unacknowledged acoustic alarms pending.
Red:
at least 1 unacknowledged acoustic alarm pending.
