Operation Manual

The following alarms are available on the IS20 Analog
instruments:
Alarm ID Alarm Source
ShAL Shallow water alarm
dEEP Deep water alarm
AnCh Anchor watch / change in depth
chnG True wind shift alarm Wind/Tack
High True wind speed too high Wind/Tack
Lo True wind speed too low Wind/Tack
oFF.C Off course alarm
Er.xx Local unit failure Internal *
AL.xx Any other alarm Any *
* The xx will be replaced by the global alarm id.
Refer Alarm codes, page 23.
If IS20 Graphic is connected to other SimNet units, any
alarm in the system will be displayed on the instrument.
The alarm text is received from the alarm source or from
SimNet.
3.2 Acknowledging an alarm
An alarm is acknowledged by pressing any key. This will
remove the alarm notification (text, light and sound)
from the instrument.
The IS20 Analog instruments do not display any alarm
reminders!
An alarm received from other SimNet units must be
rectified on the unit generating the alarm!
22 | Alarm system