User`s manual
Alcorn McBride Digital Video Machine HD User’s Manual Rev 1.0
34
Creating a GPS Playlist
Enter subsequent
commands on the
following rows until
you’ve completed your
“tour.” Each
command can be any
of the commands
listed in the pull-down
menu available in the
Commands column.
If you want this GPS
Playlist to launch
automatically when
the DVMHD powers
up, name the file
“PLY00000.GPS”.
This is a step-by-step guide on how to use GPS Builder to make a playlist for the
Digital Video Machine. Basically what we’re going to do is make a “boilerplate” GPS
playlist by filling in some DVMHD commands. Afterwards, we will enter GPS
coordinates for these commands.
1. Click on the little “down” arrow in the first cell in the Command column.
Select the Play command.
2. Specify the video or playlist number in the Data1 column.
3. Select an initial Tolerance by clicking on the “…” inside the Tolerance cell.
This will take you to a convenient screen that allows you to set the tolerance
based on certain factors. The primary factor in determining tolerance is
usually the speed at which the vehicle is traveling at the moment the trigger
is supposed to occur. Other factors might be wide multilane roads, or no
roads (i.e. field, lake, ocean, etc.).
4. Repeat this process for all the commands you wish to program. Once all of
the commands have been entered, save your GPS Playlist by clicking on
FileÆSave As…
5. Connect the GPS sensor/mouse to your laptop. GPS Builder will begin
detecting the GPS input stream and will display “GPS OK!” once detection
has occurred. When the GPS sensor successfully locks onto the satellite
signal, Longitude and Latitude values will begin to update the appropriate
fields in GPS Builder. Note: No Longitude or Latitude information will
appear until the sensor locks onto a satellite signal. For some GPS
sensors, this may take a few minutes. If your GPS sensor is indoors or
otherwise obstructed from satellites it may not lock on at all.
GPS sensors need a
“line-of-sight” to the
sky in order to receive
strong satellite
signals. For optimal
reliability, operation
indoors or in long
underground tunnels
is not recommended.
6. You’re now ready to begin entering GPS trigger points. Get in your vehicle!
Place the GPS sensor on the roof of your vehicle (or other mounting location
recommended by the GPS sensor manufacturer). Click on the first entry in
your GPS playlist. Drive to the first desired trigger point and hit the Space
Bar when you reach it. GPS Builder will record the coordinate and advance
to the next line. After this point all you need to do is hit the Space Bar each
time you want to log another coordinate.
7. Drive to the next trigger point and hit the Space Bar again. GPS Builder will
record the next coordinate. Keep doing this until all of your coordinates have
been entered.
8. Click on File…Save…to save your file. Make sure you name the file in a way
that makes it easy to use (i.e. PLY00000.GPS).
9. Copy the playlist to the Compact Flash card you’re going to use in the
DVMHD, along with all of the videos referenced in the playlist.
Proceed to the next section to learn how to use this playlist in your DVMHD.