Mode; Device; 3G Modem Settings - Gecko Compact Product User Manual

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Mode

Use the Right button to toggle between three modes: Off, Continuous, and Triggered.
When Continuous mode is selected, the enabled "Channels to Send" (see main menu) will
be streamed continuously to the remote server.
If Triggered mode is selected, a connection to the remote computer is maintained, and
heartbeat signals are sent to the server every few seconds. If a Level or STA/LTA trigger
process is enabled and detects an event, a trigger packet will be immediately sent to the
remote server. The server will then request the waveform data files stored on the Gecko's
SD card as they become available. The time period before or after the trigger time to be
extracted is defined by the user in the remote server software.
When telemetry mode is set to Off the Gecko will not attempt to start a serial connection.

Device

This setting defines the type of communication device connected to the Gecko's
communication port. Use the Right button to cycle through "Ethernet" or "3G modem" or
"Serial" (for direct USB cable) if you have one of these devices connected (available for
separate purchase). See Appendix C for information on Ethernet adaptor configuration.

3G modem Settings

If you have selected "3G modem" as your communication Device, use the Left button to
exit, then re-enter the menu and you will see several additional settings. These settings
only relate to the Telit 3G modem which the Gecko configures using AT commands.
TCP Socket Port
To start data telemetry, the Gecko needs to establish a socket connection to a remote
computer using TCP/IP, so a port on the computer needs to be assigned for this
communication link. The default port is set to "58772", but this can be changed if required.
Server IP/Domain
The data reception application will be running on a remote computer, so for the Gecko to be
able to find it we need to define this computer's IP address or domain name. The normal
text entry method is used to define this address after you enter the menu.
Carrier APN
The 3G modem also requires the cellular carrier's APN (Access Point Name) to be able to
connect to the Internet. This is normally "internet" or "carrier.internet" (e.g. telstra.internet
for Australia's main carrier) and can be modified within the Gecko using the normal text
entry method.
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