Siera Wireless MP555, Software Installation Manual

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MP 555 GPS Software Installation and Configuration Guide
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Command Send
1
, select
T
OOLS
1.
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GPS configuration in Watcher
In Watcher, you can configure the modem to report velocity
and altitude data in either metric or imperial units. To set the
units, select
TOOLS > Configuration > GPS
from the main
Watcher window.
When the modem is set for TAIP, the field and
button on the GPS window allow you to issue TAIP
commands to the GPS module.
GPS display in Watcher
To view latitude, longitude, velocity, heading, altitude, and
local and UTC time
> Display GPS
from the main
Watcher window.
From a cold start (where the modem is powered on with no
stored navigational data), it may take a few minutes for the
GPS module to obtain satellite fixes and begin reporting. The
data is then updated every second.
UTC is Universal Coordinated Time, the time in Green­
wich, England.
Table 5-1: GPS AT commands
(Parameters are in the <> brackets
AT command Description
ATI4 Displays the Unique Mobile Device ID.
This number is required to identify each
modem on the network. This is discussed
on page 45.
AT!MPGPSRESET=
[<protocol>]
Resets the GPS module and allows you
to switch between the TAIP and NMEA
protocols:
•
AT!MPGPSRESET=0
—Sets the
protocol to TAIP.
•
AT!MPGPSRESET=1
—Sets the
protocol to NMEA.