User’s Manual GalileoSky GPS Lite (0192)
GalileoSky Ltd
Page
16
Operation in international roaming
The terminal allows setting special parameters of data transmission in the international roaming (command
Roaming, section Data transmission settings). After registration in GSM-networks the terminal receives
from base station code of the country and compares it with the set one, if they do not match the terminal is
in roaming. … Being in roaming the terminal constantly supports registration in GSM-network but initializes
GPRS-session only according to the schedule, thus it is always possible to make a call to the terminal or
send SMS with command and decrease GPRS-traffic costs. For GPRS-session the maximum volume of
transmitted data in bytes is determined. Each cell operator has minimum tariffing interval in roaming, it is
recommended to set maximum data volume equal to half of this interval (the second half is for official
traffic TCP/IP which volume depends on connection quality). At archive transmission from internal flash-
memory, the terminal always unloads the most actual data.
Stels mode and packet transmission
In this mode the Terminal switches GSM unit off and communicates only according to strict schedule, which
allows decreasing Internet traffic and power consumption.
Stels mode settings command: “stels pday,phours,minGSMon” where
pday
– device communication is enabled every
p days
since the beginning of the month, in other
words on
pday
- multiple days;
phours
–device communication is enabled every
p hours
since midnight GMT, in other words at
phours -multiple time.
minGSMon
–GSM unit is enabled for
minGSMon minutes since the beginning of the hour
.
Packet transmission also can be set in Configurator on tab Settings/Data transmission.
To disable these modes use the «stels0,0,0» command.
Settings examples:
1)
–
communication once a day;
–
communication at 14.00 GMT;
–
staying in network for 15 minutes.
Setting command: stels 1,14,15
To enable communication once a day
phours
must be greater than 11, i.e. it can be enabled at 11
and at 22 o’clock. At communication every 12 hours, communication is enabled at 12.00 and the
next must be at 24.00, but this is another day, i.e. it is not realized.
2)
–
communication once a day;
–
communication every 2 hours GMT;
–
staying in network for 15 minutes.
Setting command: stels 1,2,15
3)
–
communication once in three days;
–
communication at 23.00 GMT;
–
staying in network for 15 minutes.
Setting command: stels 3,23,15
Note
.
communication at 0 o’clock GMT cannot be enabled whatever the settings;
if the device is in the stels mode, remote commands will work only when the radio silence mode is
disabled, i.e. GSM unit is on;
do not set the communication time less than five minutes, otherwise the device will not have time
enough to establish a link with server and tell its location
