Operating the Gas Analyzer  101 
 
Key Functions in Measuring Mode 
   
Switch over the display of each individual measured value; in 
addition to the digital display, an analog bar with information on 
the range limits is shown in this display. 
 
Reduce or increase the contrast of the display. 
When a status message is active, press key 
 first. 
OK 
Switch to menu mode (see page 102). 
 
If a status message is active 
: press the key to display the 
message list (see page 122). 
Number of Decimal Places 
When the screen displays the measured value in physical units (e.g. 
ppm) the number of places after the decimal point depends on the size of 
the set measuring range: 
Span  Places after the decimal point 
 0.05 
5 
 0.5 
4 
 5 
3 
 50 
2 
 500 
1 
> 500  0 
For the display of the measured value as a percentage of the whole 
measuring range (%Span) two places are always shown after the decimal 
point. 
When setting the parameters, the number of decimal places is the same 
as in the display in measuring mode.