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DSM250 User’s Manual
4.3 Alerts
An alert is a signal to a user that there is either an alarm or warning condition requiring user intervention.
Alerts are integrated in an NMEA2000 ® system. For each Alert, one device acts as a master, or Alert
Source, and monitors a parameter against a preset threshold. When the parameter crosses this threshold, the Alert is displayed on the Alert Source and an Alert Message is sent out on the
NMEA2000 ® bus to other devices capable of displaying Alerts. Optionally, an Annunciator message is sent to devices capable of sounding an audio alarm (e.g. the ALM100). Currently, the DSM250 and the N2KView™ Vessel Monitoring Software are capable of generating and receiving Alert Messages.
The Alert may be accepted or cancelled from any capable device, in which case an Alert Response
Message is sent to the Alert Source, which in turn will turn the Annunciators off and inform the devices on the bus of the new Alert Status.
4.3.1 Alert Types
There are two classes of alerts, which are distinguished by their severity:
• Alarm – An alarm is a type of alert announcing a condition requiring immediate attention or user intervention. Alarms are shown in red (when Active), and always appear above the warnings on the Alert Status Screen.
• Warning – A warning is a type of alert announcing a condition requiring non-immediate attention for precautionary reasons. Warnings are shown in yellow (when Active), and always appear below alarms on the Alert Status Screen.
4.3.2 Alert Terminology
The following alert terminology, consistent with International Maritime Organization Code on Alarms and Indicators, is used in N2KView™ and the DSM250.
• Accept – The user action of acknowledging the existence of an alert. Alerts are only accepted when they are Active
• Cancel – The user action of removing an alert from the list of displayed alerts. Alerts may only be cancelled if the condition causing the alert has been removed.
• Clear – An alert is cleared when the condition causing the alert is removed. This is not a user action.
• Trigger – An alert is triggered when the condition monitored by the alert is met.
4.3.3 Alert Priority
Each alert has a priority which you can define, ranging from 0 to 4000 with 0 the highest or most important priority and 4000 the lowest or least important priority. Alarms always have a higher priority than Warnings (i.e. an Alarm with a priority of 4000 has a higher priority than a warning with priority
0).
4.3.4 Vessel Alert Operating Modes
You can configure alerts to operate in one or more fixed operating modes, 1) disabled, 2) moored, 3) underway, or 4) anchored. This allows you to easily enable or disable groups of individual alarms depending on the vessel’s operating mode. Setting the vessel alert operating mode is described in
The Operating Mode is one of:
Page 22 Revision 1.4.16a
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Table of contents
- 17 General
- 17 Introduction
- 17 Firmware Revision
- 17 DSM250 Features
- 17 Quick Install
- 18 Installation
- 18 Unpacking the Box
- 18 Choosing a Mounting Location
- 18 Mounting the DSM
- 18 Surface Mounting the DSM
- 19 Flush Mounting the DSM
- 20 Gimbal Mounting the DSM
- 21 Connecting the DSM
- 21 Checking the Connection
- 22 Operating the DSM
- 22 Turning the DSM250 On
- 22 Turning the DSM250 Off
- 23 Keypad Essentials
- 23 Navigating in a Menu
- 24 Choosing a Value from a List
- 24 Entering a Numeric Value
- 24 Entering a Textual Value
- 27 Important Concepts
- 27 Favorite Screens
- 27 Categories and Data Types
- 28 AC Bus
- 28 AC Generator
- 29 AC Utility
- 30 Anchor Watch
- 30 Depth
- 30 Elec. Distribution
- 30 Engine
- 32 Environment
- 32 Fluid Flow
- 32 Fuel Management
- 33 Heading
- 33 Humidity
- 34 Indicator
- 34 Navigation
- 34 Rudder
- 34 Pressure/Vacuum
- 35 Special Devices
- 35 Speed
- 35 Temperature
- 36 Transmission
- 36 Vessel
- 38 Alerts
- 38 Alert Types
- 38 Alert Terminology
- 38 Alert Priority
- 38 Vessel Alert Operating Modes
- 39 Alert States
- 40 Available Alert Classes
- 41 Operating Modes
- 41 Favorite screens modes
- 42 Menu Mode
- 43 Alert Setup Menu
- 43 Alert Status
- 43 Configuration Menu
- 45 Display Settings Menu
- 52 Favorite Screens Mode
- 52 Favorite Screens Setup Menu
- 56 Units Menu
- 60 Device Configuration
- 63 Airmar Depth/Speed/Temperature Transducers
- 63 Advanced Configuration
- 64 Device Instance
- 64 Installation Description
- 64 NMEA2000 PGN Enable/Disable
- 64 Clear Speed Calibration
- 65 Speed Calibration
- 65 Clear Temperature Offset
- 66 Temperature Calibration
- 66 Transducer Depth Offset
- 67 Trip Log
- 68 Bennett EP-30 (NMEA1) Trim Tabs Configuration
- 68 Trim Tabs Calibration
- 70 Maretron ACM100 Configuration
- 70 Advanced Configuration
- 73 AC Circuit Type
- 73 AC Device Type
- 73 Device Instance
- 73 Label
- 74 Reset Total Energy Recorded
- 75 Maretron ALM100 Configuration
- 75 Advanced Configuration
- 76 Instance
- 76 Label
- 77 Test Annunciator
- 78 Maretron DCM100 Configuration
- 78 Advanced Configuration
- 80 Current Sensor Zero Offset Calibration
- 81 DC Type
- 83 Instance
- 83 Label
- 84 Maretron DCR100 Configuration
- 84 Advanced Configuration
- 86 Device Label
- 86 Instance
- 86 Channel #1-#6 Configuration
- 88 Maretron DSM200 Configuration
- 89 Remote Device Selection
- 91 Maretron DSM150, DSM250 Configuration
- 91 Remote Device Selection
- 92 Copy alarms settings from local display
- 93 Copy device selection from local display
- 94 Copy display settings from local display
- 94 Copy favorite settings from local display
- 95 Copy DST100 calibrations from local display
- 95 Copy all settings from local display
- 96 Label
- 97 Remote Device Selection
- 98 Maretron DST100 Configuration
- 98 Advanced Configuration
- 99 Clear Speed Calibration
- 99 Speed Calibration
- 100 Transducer Depth Offset
- 100 Trip Log
- 102 Maretron DST110 Configuration
- 102 Advanced Configuration
- 103 Clear Speed Calibration
- 104 Speed Calibration
- 104 Clear Temperature Offset
- 105 Temperature Calibration
- 105 Transducer Depth Offset
- 106 Trip Log
- 107 Maretron EMS100 Configuration
- 107 Engine Instance
- 107 Boost Pressure Gauge Type
- 108 Boost Pressure Sender Type
- 108 Boost Pressure Sender Offset
- 108 Drive Trim Gauge Type
- 108 Drive Trim Sender Type
- 109 Drive Trim Sender Offset
- 109 Oil Pressure Gauge Type
- 109 Oil Pressure Sender Type
- 109 Oil Pressure Sender Offset
- 110 Water Temperature Gauge Type
- 110 Water Temperature Sender Type
- 110 Water Temperature Sender Offset
- 110 Preset Engine Hours
- 111 Tachometer Flywheel Teeth
- 112 Maretron FFM100 Configuration
- 112 Advanced Configuration
- 114 Device Label
- 114 Operating Mode
- 114 Channel
- 123 Maretron FPM100 Configuration
- 123 Advanced Configuration
- 125 Channel
- 132 Maretron GPS100 Configuration
- 133 Advanced Configuration
- 137 Cold Start GPS
- 137 GPS Mode Setting
- 138 Device Label
- 138 SBAS (WAAS) Enable/Disable
- 140 Maretron GPS200 Configuration
- 140 Advanced Configuration
- 142 Cold Start GPS
- 142 Device Label
- 142 SBAS (WAAS,EGNOS,MSAS) Enable/Disable
- 144 Maretron IPG100 Configuration
- 146 Device Label
- 146 N2KServer Password
- 147 IP Address
- 147 Subnet Mask
- 147 Default Gateway
- 147 Default DNS
- 148 Maretron J2K100 Configuration
- 148 Advanced Configuration
- 150 Device Label
- 150 NMEA 2000 Instance – Engine
- 151 Transmission Instance
- 152 AC/Icemaker Instance
- 152 J1939 Source Address Configuration
- 153 Refresh J1939 source address list
- 153 Maretron NBE100 Configuration
- 154 Advanced Configuration
- 154 Maretron RAA100 Configuration
- 155 Advanced Configuration
- 156 Label
- 157 Rudder Angle Calibration
- 160 Rudder Number
- 161 Operating Mode
- 162 Gauge Resistance, + to Sender
- 162 Gauge Resistance, - to Sender
- 164 Maretron RIM100 Configuration
- 164 Advanced Configuration
- 165 Device Label
- 166 Instance
- 166 Channel Configuration
- 167 Maretron SIM100 Configuration
- 167 Advanced Configuration
- 168 Device Label
- 169 Instance
- 169 Channel Configuration
- 170 Maretron SSC200 Configuration
- 170 Advanced Configuration
- 173 Installation Offset Calibration
- 174 Inverted Installation Entry
- 175 Label
- 175 Magnetic Deviation Calibration
- 176 Magnetic Deviation Status
- 176 Rate of Turn Damping Period
- 177 Rate of Turn Zero Offset Calibration
- 177 Variation Source Entry
- 181 Maretron TLA100 Configuration
- 181 Advanced Configuration
- 182 Label
- 182 Tank Capacity
- 183 Tank Levels Calibration
- 188 Tank Number
- 188 Tank Type
- 189 Operating Mode
- 190 Gauge Resistance, + to Sender
- 190 Gauge Resistance, - to Sender
- 192 Maretron TLM100 Configuration
- 192 Advanced Configuration
- 193 Label
- 193 Tank Capacity
- 194 Tank Levels Calibration
- 198 Tank Number
- 198 Tank Type
- 199 Maretron TLM150 Configuration
- 199 Maretron TLM200 Configuration
- 200 Maretron TMP100 Configuration
- 200 Advanced Configuration
- 201 Channel Configuration
- 202 Device Label
- 203 Maretron USB100 Configuration
- 203 Advanced Configuration
- 204 Remote Device Selection
- 205 Maretron VDR100 Configuration
- 206 Maretron WSO100 Configuration
- 206 Advanced Configuration
- 208 Device Label
- 209 Installation Offset Calibration
- 211 Wind Data Damping Period
- 211 Barometric Pressure
- 212 Outside Humidity
- 212 Outside Temperature
- 214 Data Display Types
- 214 Anchor Watch Display
- 215 Compass Rose Display
- 216 Gauge Display
- 217 GPS Status Display
- 218 Numeric Display
- 219 Rolling Road
- 220 Line Graph
- 220 Weather Display
- 222 Wind Rose
- 222 Moon Phase Display
- 222 Trim Tab Display
- 223 Swing Meter Display
- 223 Tank Gauge Display
- 224 Switch/Breaker Display
- 228 Alerts
- 228 Displaying Active Alerts
- 228 Alert Status Screen
- 229 Accepting or Cancelling an Alert
- 229 From a Favorite Screen
- 229 From the Alert Status Screen
- 230 Adding an Alert
- 231 Enable/Disable Control
- 231 Alert Type
- 231 Priority
- 232 Trigger Source
- 232 Description
- 232 Location
- 232 Trigger Configuration
- 246 Local Audible
- 247 Remote Annunciators
- 247 Operating Mode Moored
- 247 Operating Mode Underway
- 248 Operating Mode Anchored
- 248 Scope
- 248 Deleting an Alert
- 249 Editing an Alert
- 251 Setting the Vessel Operating Mode
- 251 Advanced Configuration
- 252 Remote Alert Audible
- 252 Flashing Screen
- 252 Restore Factory Defaults
- 254 Maintenance
- 255 Troubleshooting
- 256 Technical Specifications
- 261 Technical Support
- 262 Installation Template
- 264 Maretron (2 Year) Limited Warranty