Operating; Sensor Setup - optris CTratio Operator's Manual

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 [► Alarms/ Visual Alarms].

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).
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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.
Factory Default Setting
To set the CTratio 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
optris CTratio – E2013-04-A
RESET
for confirmation.