DSM250 User’s Manual
Page 20 Revision 1.4.16a
Moon Phase – displays the phase of the moon at the current time and position
Sunrise – displays the local time of sunrise for the current day and position
Sunset – displays the local time of sunset for the current day and position
Local Time – displays the current time referenced to the local time offset (see Section 5.2.7.12,
on page 43 for details on how to set the local time offset)
UTC Time – displays the current time referenced to Universal Time Coordinated (also known as
Greenwich Mean Time, or GMT)
T
wilight AM – displays the time of nautical twilight (i.e., the time of day when the sun is 12
degrees below the horizon in the morning) for the current day and position
Twilight PM – displays the time of nautical twilight (i.e., the time of day when the sun is 12
degrees below the horizon in the evening) for the current day and position
4.2.24 Transmission
The DSM250 supports the display of information for up to four transmissions.
Gear – displays the current gear of the transmission (forward, neutral, or reverse)
Oil Pressure – displays the pressure of the oil in the transmission
Oil Temp. – displays the temperature of the oil in the transmission
4.2.25 VDR
The DSM250 supports display of status of a Vessel Data Recorder.
Status – displays the operating state of the VDR
Memory Capacity – displays the total memory capacity of the USB flash drive in the VDR
Memory Used – displays the total amount of memory used on the USB flash drive in the VDR
Memory Available – displays the total amount of memory remaining on the USB flash drive in the
VDR
Percent Used – displays the percentage of the memory capacity of the USB flash drive in the
VDR that is filled with data
Percent Available – displays the percentage of the memory capacity of the USB flash drive in the
VDR that is still available for data storage
4.2.26 Vessel
Keel – displays the height of a swing keel
Pitch – displays the pitch of the vessel (rotation about the horizontal axis perpendicular to the
ship’s keel)
Roll – displays the roll of the vessel (rotation about the horizontal axis parallel to the ship’s keel)
Trim Tabs – displays the position of the vessel’s trim tabs
Trim Tab Port – displays the position of the port trim tab
Trim Tab Starboard – displays the position of the starboard trim tab
4.2.27 Wind
Apparent Direction – displays the angle of the wind relative to the vessel center line as it
appears to an observer on the deck of a moving or stationary vessel (does not subtract out the
speed of the vessel)
Ground Direction – displays the angle of the wind relative to true or magnetic north (depending
on the unit setting of the “heading” parameter, see Section 5.2.7.1) measured relative to a
stationary observer, calculated using heading, course over ground (COG), and speed over
ground (SOG)
