Configuration and Operation
LD8 Operations Manual AB-V-MA-00635_RevA2 22
4.6 OUTPUT CONFIGURATION
The LD8 is capable of outputting a selection of
messages via serial port or through TCP/IP. The below
subsections detail commands related to message
output and configurable options.
• Serial outputs for the three LD8 serial ports can be
referenced within commands as required by using
‘COM1’, ‘COM2’ and ‘COM3’.
• Output over TCP/IP can be established to one of
three ports: 3001, 3002 or 3003. These are referenced
by using ‘ICOM1’, ‘ICOM2’ and ‘ICOM3' respectively.
Only one connection can be established to each port.
The available LD8 message types and the associated
command variable to use when referencing each type
within the terminal are as show on the right:
See the section Reference Information for more information on output message formats and compliance.
4.6.1 ENABLING MESSAGE OUTPUTS
To enable a message, a single command must be sent for each message on each port. Message types can be
output on COM 1-3 or ICOM 1-3. This, along with the message command variable, should be entered to the
command line. The command to be used is given below with COM1 and GPGGA used as an example:
LD8 receivers are capable of outputting messages at rates up to 20Hz. The last value as part of the LOG
message is the output rate field. See below table for the output rates and the command variables:
An example of the command for outputting GGA on COM 1 at 20 Hz:
LOG COM1 GPGGA ONTIME 0.05
4.6.2 DISABLING MESSAGE OUTPUTS
To disable a message from being output, the command below should be issued to the unit. This consists of the
command required, the port and the message type.
To stop all output messages on a single port the command below can be issued stating the port:
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