Teledyne GFC-7001T - Trace CO Analyzer - Manual (Page 256)

Troubleshooting and ServiceTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 256
Figure 12-2: Example of Signal I/O Function
Note Any I/O signals changed while in the signal I/O menu will remain in effect
ONLY until signal I/O menu is exited. The Analyzer regains control of
these signals upon exit. See Appendix A-4 for a complete list of the
parameters available for review under this menu.
12.1.4. STATUS LEDS
Several color-coded light-emitting diodes (LEDs) are located inside the instrument to
assist in determining if the analyzer’s CPU, I
2 C bus and relay board, GFC Wheel and the
sync/demodulator board are functioning properly.