The preferences dialog can be accessed via the Help >>
or the File >> Preferences
Options >> Preferences
The dialog contains an "Information" column and a "Configure" column (see image below).
All items in the "Configure" column are configurable with TAlh command line switches. The
command line settings may be overridden with this dialog for the duration of the TAlh session.
Preference Acknowledge In-Line
If this preference is selected, the alarm acknowledge dialog is displayed below the hierarchy pane.
Otherwise, the alarm acknowledge dialog is shown in a pop-up window.
Note that only the last selected alarm/monitor is shown.
Note that the dialogs for viewing alarm configuration details and modifying alarm configuration
details are always shown as a pop-up.
Preference Acknowledge Groups
This preference enables/disables the acknowledging of alarm groups, i.e. acknowledging all alarms
in a group with one button press. This preference check-box is only enabled if the alarm
configuration file does not forbid acknowledging of alarm groups.
This preference allows changing of the TAlh window background colour. Three radio-buttons are
- "dark" for selecting a dark gray background which is preset in the program
- "light" for selecting a light gray background which is preset in the program
- "cmdline" for selecting the background colour specified with the command line switch --background
. This button is only enabled if the command line switch was
In addition, there is a text input field which shows the presently selected RGB colour value (in hex
format). The value in this field may be changed to set a different background.
Possible formats are #rrggbb, #rgb, rrggbb, rgb or any valid RGB colour name.
Preference Selection Transfer
Note: This preference applies only when in-line acknowledging of alarms is not
If this preference is set to "Alarm" and an alarm is selected in the Ack frame or Unack frame, the
alarm's containing alarm group is opened in the hierarchy pane and the alarm
If this preference is set to "Alarm Group" and an alarm is selected in the Ack frame or Unack
frame, the alarm's containing alarm group is opened in the hierarchy pane and the alarm group
If this preference is set to "half" TAlh attempts to set the main window width to half the width of
If this preference is set to "best" TAlh attempts to select an optimal width for the main
If this preference is set to "free" TAlh attempts to select an optimal width for the main window.
Afterwards the window is freely resizable.
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