Teledyne GFC-7000T - Trace CO2 Analyzer - manual - Manual (Page 135)

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 117
6.11.9. COM Port Testing
The serial ports can be tested for correct connection and output in the com menu. This test sends a
string of 256 ‘w’ characters to the selected COM port. While the test is running, the red LED on the rear
panel of the analyzer should flicker.
To initiate the test press the following touchscreen button sequence.
SETUP X.X COM1 : TEST PORT
<SET TEST EXIT
SETUP X.X TRANSMITTING TO COM1
<SET TEST EXIT
SETUP X.X COM1 MODE:0
SET> EDIT EXIT
SETUP X.X COM1 BAUD RATE:19200
<SET SET> EDIT EXIT
EXIT returns to
COMM menu
Test runs
automatically
SAMPLE* RANGE = 500.000 PPM CO2 =X.XXX
< TST TST > CAL SETUP
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG EXIT
Select which
COM port to test.
SETUP X.X COMMUNICATIONS MENU
ID INET COM1 COM2 EXIT