VBOX III User Guide
Page 8 of 30
15/07/2011
Sample rate
Pressing the FUNC button briefly flashes the LED‟s to indicate the current sample rate. A slow flash (once per second) on all the LED‟s indicates 20Hz, and
rapid flashing (5 times a second) indicates a 100Hz sample rate. A running sequence of lights indicates a sample rate other than 100Hz or 20Hz. Pressing
and holding the FUNC button for 5 seconds toggles the current sample rate. The sample rate can also be set in the VBOX software.
Default setup
The default factory settings are restored to the VBOX by pressing and holding the FUNC button, and then at the same time pressing and holding the LOG
button for 5 seconds. This will put the VBOX III into the default factory settings, 100Hz logging when moving, and the standard logging parameters : sats,
time, latitude, longitude, velocity, heading, height, vertical velocity, and brake trigger event time. (DGPS will be off by default.).
LED indicators
There are 3 LED indicators on the front panel of the VBOX. The first LED,
PWR,
indicates that the VBOX is powered correctly. The
SAT
LED is used to
indicate the number of GPS satellites that the VBOX has in lock. When no satellites are in lock, the SAT LED flashes slowly to indicate that the VBOX is
searching for satellites. When one or more satellites are in lock, the LED will pulse the satellite count repeatedly with a short delay.
The following diagram shows an example of SAT LED pulse sequence.
Sequence showing 1 Satellite
1
1
1
1
Sequence showing 4 Satellites
Delay
1
2
3
4
Delay
1
2
3
4
Sequence showing 0 Satellites
Delay (Approximately 1 second )
Delay (Approximately 1 second )