Draft 02 - Sep 1 2015
Viking Mobile Radio Operating Manual
4-21
Radio Wide Features
4.17.2 Triggering
There are many different types of triggers and many more combinations of those types.
See the TIA standard for more information about triggers.
Triggers are divided into two types. One Shot triggers happen once and then are complete.
Periodic triggers happen periodically. Triggers
may
have start and stop times. Triggers
will only be armed within their specified start/stop times.
Triggering can be started both by commands from an LSHS and from programming.
Triggers marked with a * below are programmable.
The radio only supports a single trigger of each type. Sending a new trigger of a type that
is already in use will overwrite the existing trigger. This includes triggers set by the LSHS
and programming software.
The following table shows the supported triggers. The radio does not support
combinations of triggers.
Triggered-Location-Stop-Request
Sent from the LSHS to the radio to tell it to stop doing a previously
specified trigger.
Triggered-Location-Stop-Answer
Sent from the radio to the LSHS to acknowledge the Triggered-
Location-Stop-Request.
Unsolicited-Location-Report
Sent from the radio to the LSHS when the user sends data using the
“Display GPS” function.
Location-Protocol-Request
Sent from the LSHS to the radio to determine the LRRP protocol
version of the radio.
Location-Protocol-Report
Sent from the radio to the LSHS in response to the Location-
Protocol-Request
Table 4.5 Supported Triggers
Trigger
Description
One Shot
This trigger happens once at the time specified in the Triggered-
Location-Request.
One Shot PTT
This trigger happens once when the user PTTs the radio. This trigger
is activated when the user presses the PTT button but the data will
usually be sent after the call is over. We do this to avoid delaying the
call.
One Shot Emergency
This trigger happens once when the user puts the radio into
emergency.
Periodic*
This trigger happens every period specified by the Triggered-
Location-Request.
Table 4.4 Supported LRRP Messages
Message
Description
