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5.2.4 Display Settings Menu
The display settings menu allows you to change parameters related to display operation.
Figure 13 – DSM250 Display Settings Screen
5.2.4.1 Advanced Configuration
Advanced Configuration changes some complex parameters within the device, and should only be performed by an advanced user. Typically advanced configuration is only done at installation and should not need to be done while at sea.
Figure 14 – DSM250 Advanced Configuration
5.2.4.1.1 Installation Description
This entry allows you to modify the NMEA 2000 installation description text strings. You can enter any information you like here, such as the date the unit was installed, or the location in which it was installed, for later reference. Tools such as Maretron N2KAnalyzer allow you to view these values
later. See section 3.3.4 for details on how to enter a textual value.
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5.2.4.1.2 Primary Device Selection
Not all the data displayed by the DSM250 can be taken directly off the NMEA 2000 bus. Some require calculations with other parameters before the desired value can be displayed. An example would be the display of ground relative wind. In this case, the wind measured by the weather station needs to be combined with the vessel heading, course over ground, and speed over ground.
The instance number of the weather station is specified for each control.
This table provides the instance numbers of the other parameters used in the calculations.
Figure 15 – DSM250 Primary Device Selection
5.2.4.1.3 Refresh Network Information
have been detected on the NMEA2000 bus. This list is kept in memory permanently to reduce the overhead of requesting device information each time one of these pages is requested.
Pressing the Enter key while this selection is highlighted will clear the list of devices. It will be necessary to perform this action to remove traces of devices that have been removed from the bus.
5.2.4.1.4 Restore Factory Defaults
This option restores all settings on the DSM100 device to their factory default state.
5.2.4.2 Advanced Information
The Advanced Information Page displays information pertaining to the permanent setup and configuration of the DSM250.
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Figure 16 – DSM250 Advanced Information Screen
Most of the items within the Advanced Information… menu are obvious and not described here, although a less obvious menu item (Bus Status…) is described below.
5.2.4.2.1 Bus Status
The DSM250 is capable of monitoring the NMEA 2000 ® network and displaying certain statistics.
Baud Rate : the speed capability of the connected network given in bits per second (bps),
Voltage : the network voltage as measured by the DSM250 in Volts,
Traffic
: the percent usage of the total available bandwidth measured by the DSM250,
Receive Rate
: the DSM250 measured received rate in frames per second (fps),
Transmit Rate : the DSM250 measured transmit rate in frames per second (fps),
Error Count : the DSM250 measured error frames since entering the Bus Status screen,
Receive Counter
: the number of DSM250 measured received frames, and
Transmit Counter : the number of DSM250 measured transmitted frames.
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Figure 17 – Bus Status Display
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5.2.4.3 Backlight
The DSM250 has three user-programmable lighting levels which may be cycled through using the
Lights key ( ) on the keypad while the DSM250 is operating in favorite screens mode. Each time you quick press the Lights key ( ) in favorite screens mode, the DSM250 backlight will transition between the “Low” setting, the “Medium” setting, and the “High” setting Note that a quick press of the
Lights key ( ) changes the screen intensity or backlight while a long press changes the color
palette as described in Section 5.2.4.4. The Backlight menu allows you to program the “Low”,
“Medium”, and “High” brightness levels. The value that appears next to the appropriate setting is
measured in percent of full brightness. The Backlight menu can be seen in Figure 18 below.
Figure 18 – Backlight Menu
5.2.4.4 Color Setup
The DSM250 has eight user-programmable color palettes. The default color palettes are as follows:
• Color Set #1 – White Back Ground, Black Foreground
• Color Set #2 – Red Back Ground, Black Foreground
• Color Set #3 – Blue Back Ground, Black Foreground
• Color Set #4 – Green Back Ground, Black Foreground
• Color Set #5 – Black Background, White Foreground
• Color Set #6 – Black Background, Red Foreground
• Color Set #7 – Black Background, Blue Foreground
• Color Set #8 – Black Background, Green Foreground
Choosing the “Color Setup…” menu item from the main “Display Settings..” menu takes you to the
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Figure 19 – Color Palette Selection Screen
Use the Scroll Up ( ) or Scroll Down ( ) keys to move the highlight to the color set that you want to change, and then press the Enter key ( ). Selecting “Color Set #1” takes you to the screen
Figure 20 – Color Palette Configuration Screen
You can enable or disable Color Set #1 by changing the “Color Set:” to “Off”. This will disable Color
Set #1 while changing between color palettes when using a long press of the Lights key ( ) when the DSM250 is operating in favorite screens mode. Change the “Color Set:” back to “On” to enable this color palette.
Notice that Color Set #1 has a white background (100% Red, 100% Green, and 100% Blue equals white) and that the foreground color is black. You can adjust the three different colors to achieve different color backgrounds. Use the Scroll Up ( ) or Scroll Down ( ) keys to move the highlight to the color you want to change, and then press the Enter key ( ). Use the Scroll Up ( ) or Scroll
Down ( ) keys with the percentage number selected to change that particular color’s intensity. You can also switch the background color to the foreground color by changing the Inverse Background to
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“On”. The background will switch to black and the percentage color settings are now used to define the foreground color.
5.2.4.5 Demo Mode
The DSM250 has a demo mode suited for displaying the capabilities of the unit. It causes the
DSM250 to operate in a “simulated data” mode, where the DSM250 will install a set of pre-defined favorite screens and other configuration and will then display only the internally generated simulated data and will ignore any data arriving over the NMEA 2000 ® bus. While in demo mode, the DSM250 will display a “Demo” indicator in the upper right hand corner of the screen. Programming this option to “On (Show Room Mode)” or “On (Boat Show Mode, No Auto Reset)” will cause the DSM250 to enter the demo mode while programming this option for “Off (Normal Use Mode)” will cause the
DSM250 to return to using data from the NMEA 2000 ® bus.
In order to be able to demonstrate all of the DSM250’s capabilities, the unit allows the user to setup and configure different screens while in demo mode. However, in a show room environment and five minutes after the last button push (i.e., the customer has walked away the demo unit), the DSM250 will reset itself to the default screens. There are others times where it is important that the DSM250 doesn’t automatically reset after five minutes to the default screens, for example at a boat show where it is desired to show specific screens while running in the demo mode and thus the “Boat Show
Mode”.
WARNING : All data displayed in demo mode is simulated. Do not use this data for vessel monitoring or navigation purposes.
Figure 21 – Setting the Demo Mode
5.2.4.6 Keyboard Beep
The DSM250 has an annunciator that can be programmed to beep every time a key is pressed.
Conversely, the keypad beep may be disabled if desired.
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Figure 22 – Setting the Keyboard Beep Option
5.2.4.7 Label
Each DSM250 can be given a software label. Normally this label will indicate the position of the
DSM250 and is used by the Alert System to identify one DSM250 from another.
Figure 23 – Editing the DSM250 Label
5.2.4.8 Language
The DSM250 currently supports two languages: English and Dutch (Nederlands). Support for other languages is planned for future firmware releases. To change the currently used language, use the
Scroll Up ( ) or Scroll Down ( ) keys to move the highlight to the “Language:” menu item, and then press the Enter key ( ) to move the highlight to the language selection on the right. Use the
Scroll Up ( ) or Scroll Down ( ) keys to change the selection to the desired value, and then press the Enter key ( ) to confirm your selection. The DSM250 will then reset itself, after which the selected language will be used for menus and titles.
5.2.4.9 Software Version
This field displays the version of the Firmware running in the DSM250.
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