3025EMC Master Control Switching & Channel Branding
Revision 3.0.3 Page 113
Note: The Temperature Format setting is only used by the EMC when the Temperature
Source is set to “Manual.”
4.19.2. Setting the Temperature Source
This drop-down menu is used to select the source of the temperature.
METAR: Select METAR to take the temperature from METAR data acquired via the Internet.
Probe: Select Probe to take the temperature from the optional temperature probe. See section
8.1 for more information on using the temperature probe.
Txt File: Select Txt File to have a text file that is loaded into compact flash to be the source that
provides the temperature. The text file is a normal ASCII text file that is called
“temperature.txt”. The filename is case-sensitive. The format of the information in the
file is a single line of ASCII text as follows:
T,73,F
T represents this is temperature information, 73 is the actual temperature value, and F represents the
units either C (for Celsius) or F (for Fahrenheit). The file content is case-sensitive.
NMEA0813: Select NMEA0183 to have an NMEA 0183 protocol based device provide the
temperature (NMEA0813 requires a serial connection to an available serial port).
Manual: Select Manual to manually set the temperature via the Set Temperature menu item.
4.19.3. Setting the Temperature
This option is used to set the temperature when the Temperature Source is set to Manual. The slider
provides a range of -40 to +140.
4.19.4. Setting the METAR Server Setup
METAR is widely used in the aviation industry to obtain meteorological data from airports. The EMC
can extract the temperature from the data and use it for media displaying temperature. The use of this
feature requires a connection to the Internet.
Please note that the METAR is a PASSIVE FTP session.
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