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12.2.3 About data
files
12.2.4 About
scrolling data
12.2.5 About the
monitor message
line
12.3 Operation
05/01/97 REV H
Messages within data files can be read in by the 8X00 program and sent
to the ALLSTAR engine. Lines beginning with a comment character " ; "
are ignored by the program when the file is read by the receivers. Lines
containing a comment character " ; " are truncated at the comment char-
acter. The " ; " and all characters following in the line are ignored.
Data files can have any acceptable DOS filename. The self-test and initial-
ization files are fixed as " SELFTEST.ALL " and " INITFILE.ALL, " respec-
tively.
About log files
Log files are in ASCII, and appear exactly as data scrolls on screen. During
logging, the selected FILENAME flashes on screen; also, the displayed
function of F6 and/or F7 keys changes from START to STOP . Log files
can't be reopened once logging is stopped; reselecting the same filename
destroys old data in the file (user is prompted). Use a new file name. Data
files can have any acceptable DOS filename.
Monitor screen data (Lat/Lon, etc.) isn't visible or updated while scrolling
data is active. The function key that activates the scroll screen (F4 for
GPS, F5 for beacon) also restores the monitor screen. In addition, an ESC
key restores the monitor screen.
Operator messages, including error and prompt messages, appear on the
bottom line of the screen. This line is for data entry, such as a Log file
name. Pressing any key pauses, or continues, the scrolling of these mes-
sages.
NMEA messages from the engine are checksummed, if a checksum is pro-
vided. Bad messages are shown (within space limits). NMEA messages
from the operator's command file are shown as they're sent to the engine.
If the checksum in the file isn't correct, the correct value is displayed
(message isn't sent). You can use the program to calculate the required
sums (return to DOS and edit the message file).
1. Enter the command 8X00MON , followed optionally by COM port
numbers for GPS and BEACON. If you don't enter COM port num-
bers, the program uses COM1 for GPS and COM2 for beacon.
Valid start-up commands include:
8X00MON (default ports above used)
•
8X00MON 1 ( GPS = COM1 BEACON not monitored)
•
8X00MON 2 ( GPS = COM2 BEACON not monitored)
•
8X00MON 1 2 ( GPS = COM1 BEACON = COM2)
•
8X00MON 2 1 ( GPS = COM2 BEACON = COM1)
•
Section 12 - 8X00 engine monitor program
PAGE 65
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