Teledyne 9110TH - Nitrogen Oxides Analyzer - Manual (Page 110)

Model 9110TH NOx Analyzer Operating Instructions
Teledyne Analytical Instruments 90
4.11.3.3. 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 key sequence.
SAMPLE A1:NXCNC1=100PPM NOX=XXX.X
< 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
SETUP X.X COM1 : TEST PORT
TEST EXIT
SETUP X.X TRANSMITTING TO COM1
TEST EXIT
SETUP X.X COM1 MODE:0
SET> EDIT EXIT
SETUP X.X COM1 BAUD RATE:19200
SET> EDIT EXIT
EXIT returns to
COMM menu
Test runs
automatically