RHOTHETA User Manual RT-800
Page 112 of 192
In order to facilitate the alarm function using the DCU (in combination with the alarm system
that is used on the vessel), the DCU settings are changeable.
By pressing the “OK button or the hotkey “Edit Value”, while the setting “Alarm Pulse” is
marked by the green frame, the following dialog is opened.
Note
In this dialog pressing “OK” will be interpreted as confirming of the whole set of settings that
are currently displayed, which will lead to closing the dialog confirming changed values.
To change the single settings only the hotkeys for modifying the related values are used (s.
Fig. 107 Alarm pulse settings
Active direction
setting defines which direction (low or high) will lead to an alarm indication.
This setting is changeable using the hotkeys “High active” / “Low active” or “Edit Value” (s.
Fig. 107, numbers 1, 2 and 5), whereat using the first two hotkeys will change the value
without opening the separate dialog.
o
By pressing the hotkey “Edit Value”, the dialog for changing the active direction of the
alarm output will be opened. The handling of this dialog is shown in Fig. 108.
Setting the alarm
pulse direction to
“LOW”
Setting the alarm
pulse direction to
“HIGH”
Fig. 108 Active direction dialog
Selecting the
default value
o
Pressing the ”High active” hotkey sets the active direction of the alarm pulse to “HIGH”.
That means, the default state of the alarm output is low and an alarm is indicated by
the high state.