Chapter 3: ST290 Data Display 2-3-13
ST290 Instrument System Owner’s Handbook
You can use the ALARMS chapter pages to:
• Switch each alarm OFF, or on, or so that it operates with an external
(Auxiliary) Alarm, connected to the DPU AUX ALARM terminals
(see Enabling alarms below).
• Set a level for each alarm type (see Setting alarm levels below).
Enabling alarms
To enable or disable an alarm:
1. In the Alarms chapter, select the required alarm page.
The alarm page shows either OFF to indicate the alarm is disabled, or
an alarm level value to indicate the alarm is enabled.
2. Use the button as necessary, to set the alarm either:
•OFF
or
• Soit shows a level value. With thissetting, an activated alarmwill
sound at the ST290 system.
or
AWS HIGH
Apparent wind speed high alarm level, in KTS or M/S
AWS LOW
Apparent wind speed low alarm level, in KTS or M/S
TWA HIGH
True wind angle high alarm value, in degrees
TWA LOW
True wind angle low alarm value, in degrees
TWS HIGH
True wind speed high alarm level, in KTS or M/S
TWS LOW
True wind speed low alarm level, in KTS or M/S
BOAT SPD HKTS (or HK/H
or HMPH)
Boat speed high alarm level, in KTS, K/H or MPH
BOAT SPD LKTS (or LK/H
or LMPH)
Boat speed low alarm level, in KTS, K/H or MPH
SEA TEMP H
Sea temperature high alarm level, in °C or °F
SEA TEMP L
Sea temperature low alarm level, in °C or °F
Table 3-9: ALARMS chapter pages (continued)
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81183_2 S2 chap 3.fm Page 13 Wednesday, May 7, 2003 9:45 AM
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