YELLOWBRICK V3 Manuel d'utilisateur télécharger pdf (Page 7)

Alerts

If a tracker transmits an 'alert' message, you will now see an"alert='true'"parameter, as well as an"alertType="BUTTON""parameter. "The alertType parameter could have

any of these values:

Value

Meaning

BUTTON

The user has pressed the red alert button

BT_LOST

The bluetooth connection has been lost

COLLISION

A collision alert

COUNTDOWN

The countdown timer has timed-out

DEAD_MAN

The dead-man timer wasn't reset in time

GEOFENCE

The tracker "has moved too far from it's geofence centre

CANCEL

The user has cancelled any previous alerts (this is a menu option on the tracker).

POWER_LOST

External power (5V) has been disconnected

TEMPERATURE

Temperature outside preset range.

Important note regarding ‘Iridium’ position reports:

We can report transmissions to you that"may not"have a valid GPS ﬁx. "Typically this happens if it has a poor view of the sky, but there are other occasions when it will

transmit a message without a GPS position. "In this case, we do get an approximate position from the Iridium network. "This ranges in accuracy - often it can be within a

few km, or it may be 200km out.

There is a"source="GPS""or"source="IRIDIUM""parameter in every <position/> element. "If it's an Iridium position, you"won't get"sog,"cog"or"alt"parameters. "You"will get"a

cep="123""parameter, which indicates the accuracy (in km) of the reported position.

It's necessary for us to tell you about Iridium positions, because it is possible that the tracker can report an alert with no GPS ﬁx.

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YELLOWBRICK V3 Manuel d'utilisateur Page 7

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