8.8“ Touchscreen Colour Display AHD 880 TC
Operation
V5
45
All events are listed on the alarm page in tabular format. The order
is chronological and corresponds to each message’s date and time.
The last recorded alarm is always at the top of this list.
TIP!
The alarm page was designed to always display the
six most current events. If more alarms are active,
more pages are automatically generated. These
can be accessed with the arrow keys
. The screen’s uppermost line dis-
plays the currently existing alarm pages.
Alarm Line
Each alarm line begins with a virtual LED, color coding the mes-
sage category:
Red:
alarm
Yellow:
warning, pre-alarm
Orange:
sensor error, wire break
Each alarm line’s columns is supplemented with the following in-
formation:
Measuring point text
Measured value
Measured value unit
Type of event
Date and time of alarm event
Alarm Counter
A red indicator at the top right of the screen displays the number of
currently active alarms (acknowledged and unacknowledged mes-
sages).
Function Keys on the Alarm Page
Key
“Exit Page”
Key press switches the display to the previous measuring points
page.
Key for acknowledging acoustic signal (“Quit Horn”)
Key press deactivates internal horn and any connected signaling
devices.
Key colors:
White:
no unacknowledged current acoustic alarms.
Red:
at least one unacknowledged current acoustic
