Operating      73- 
 
6  Operating 
After power up the unit the sensor starts an initializing routine for some seconds. During this time the display 
will show  INIT.  After this procedure the object temperature is shown in the display. The display backlight 
color changes according to the alarm settings [►5.6 Alarms]. 
 
6.1  Sensor Setup 
The  programming  keys  Mode,  Up  and  Down  enable  the  user  to  set  the  sensor  on-site.  The  current 
measuring value or the chosen feature is displayed. With Mode the operator obtains the chosen feature, with 
Up and Down the functional parameters can be selected – a change of parameters will have immediate 
effect. If no key is pressed for more than 10 seconds the display automatically shows the calculated object 
temperature (according to the signal processing). 
 
Factory Default Setting 
To set the CT back to the factory default settings, please press at 
first the Down-key and then the Mode-key and keep both pressed 
for approx. 3 seconds. 
The display will show RESET for confirmation. 
Pressing the Mode button again recalls the last called function on 
the display. The signal processing features Peak hold and Valley 
hold cannot be selected simultaneously.