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installed, for later reference. Tools such as Maretron N2KAnalyzer allow you to view these values later.

6.24.1.3NMEA2000 PGN Enable/Disable

The TLM100 Tank Level Module transmits the NMEA2000 PGN #127505 which can be turned on or turned off by the DSM250 display. Pressing the Enter key with “NMEA2000 PGN Enable/Disable…” menu item selected causes the DSM250 to display the following screen (Figure 201).

Figure 201 – TLM100 NMEA 2000® PGN Enable/Disable Screen

You can enable or disable the transmission of the Binary Switch Status message by pressing the Enter key ( ) on the message to be configured. Options are:

Off – The fluid level message will not be transmitted

On – The fluid level message will be transmitted at its default NMEA2000 rate, which is once every 2.5 seconds.

Select the required option using the Scroll Up and Scroll Down keys followed by the Enter key.

6.24.1.4Restore Factory Defaults

This option restores all settings on the device to their factory default state.

6.24.2Label

A label may be assigned to the TLM100 as an aid to identifying the device over the network. Typically this label will describe the location of the TLM100, and a description of the contents of the tank.

6.24.3Tank Capacity

In order for the TLM100 to produce readings of the amount of fluid remaining in the tank, the tank capacity must be programmed into the TLM100 adapter. Figure 202 below shows a screen shot of the tank capacity being configured. To program the tank capacity, use the Scroll Up or Scroll Down keys to move the highlighted cursor over the “Tank Capacity:” menu item. Then, press the Enter key to move the highlight over the numerical tank capacity value. Use the Increase and Decrease keys to

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Maretron DSM250-01 user manual TLM100 Nmea 2000 PGN Enable/Disable Screen