User manual
MPTP | MPTP commands 21
acquired from the GPS before sending a report. Old software versions will generally always send the last
known position.
Command format
Length: 4…6 characters
Command*
Action
4 1 1
?LOC _ 0
*) cf. section 3.1 for description of this field.
The Action field is described below. It may be omitted altogether.
Field Description Range
Action Actions which the receiving terminal is
requested to take:
0: Send a report containing the
terminal’s last known position,
even if it is old.
1: Attempt to acquire a fresh
position fix. If this succeeds
within a few minutes, send a
report containing the fresh
position. If not, send the last
known position instead.
2: Send a report containing the
terminal’s last known position
at once. If it was fresh, do
nothing else. If not, attempt to
acquire a fresh position fix. If this
succeeds within a few minutes,
send a report containing the
fresh position. If not, send no
second message.
0…2
Default functionality should be programmed in Mobile Telematics Terminals so they can cope with a
missing Action field. For new TWIG instruments, this functionality is configurable.
For now, Benefon Esc!, Twig Discovery,Twig Hunter and Twig Protector only support sending of this
command without the Action field.
For now, Twig Discovery only supports receiving of this command without the Action field.