Teledyne T100 Manuale Utente

108 

The SETUP>MORE>DIAG menu provides a series of diagnostic functions whose 
parameters are dependent on firmware revision (refer to Menu Tree, A-5, in Appendix 
A).  Table 5-3 describes the functions and provides a cross-reference to the details for 
each in the remainder of this section. These functions can be used as tools in a variety of 
troubleshooting and diagnostic procedures. 

 Allows observation of all digital and analog 

signals in the instrument. Allows certain digital signals such as 
valves and heaters to be toggled ON and OFF. 

 When entered, the analyzer performs an 

analog output step test. This can be used to calibrate a chart 
recorder or to test the analog output accuracy. 

 Analog input/output 

parameters are available for viewing and configuration. 

 When activated, the analyzer performs an optic 

test, which turns on an LED located inside the sensor module 
near the PMT (Fig. 10-15). This diagnostic tests the response 
of the PMT without having to supply span gas. 

 When activated, the analyzer performs 

an electric test, which generates a current intended to simulate 
the PMT output to verify the signal handling and conditioning of 
the PMT preamp board. 

 The analyzer records the current 

voltage output of the UV source reference detector.  This value 
is used by the CPU to calculate the lamp ration used in 
determining the SO

2

 concentration  

 The analyzer records the current 

output of the sample gas pressure sensor.  This value is used 
by the CPU to compensate the SO

2

 concentration when the 

TPC feature is enabled. 

 This function is used to calibrate the 

gas flow output signals of sample gas and ozone supply. 
These settings are retained when exiting DIAG. 

 Configures the A4 analog output 

channel. 

 

06807C DCN6650