Setting The Reference Temperature; Setting Up A Color Alarm; Setting Up A Color Alarm Using The Menu System - FLIR ThermaCAM E4 Operator's Manual

7.4 – Working with alarms
is saved to the internal buffer, the oldest sample will be discarded and a new reference
temperature will be calculated 'on the fly'.
Using an alarm that takes into account the reference temperature means that an
alarm output will only be triggered if the temperature value exceeds the sum of the
average temperature value in the buffer + the user-defined delta alarm offset value.
7.4.1

Setting the reference temperature

Step
1
2
3
4
5
6
7
7.4.2

Setting up a color alarm

7.4.2.1

Setting up a color alarm using the menu system

Step
1
2
3
14
Action
Press YES to display the vertical menu bar.
Point to Settings on the Setup menu and press YES.
In the Settings dialog box, press the navigation pad up/down to go to Trigger
button.
Press the navigation pad left/right to select Update ref temp.
Press the navigation pad up/down to go to Shutter period.
Press the navigation pad left/right to select shutter period.
Although the shutter period works independently of other functions described
in this document, FLIR Systems recommends that Short is selected when using
the camera for detection of face temperature.
➲ Selecting Normal will calibrate the camera at least every 15th minute, while
selecting Short will calibrate the camera at least every 3rd minute.
Pointing the camera to the first person with a normal face temperature and pulling
the trigger will display the message Sampled nn.n °C.
After having carried out the same procedure on the following 9 persons, you can
do one of the following:
Actively continue to sample every new person by pulling the trigger button,
■
and let camera update the reference temperature
Stop sampling and let the camera trigger an alarm as soon as the alarm condi-
■
tions are met (> reference temperature + delta alarm value)
Action
Press MENU/YES to display the vertical menu bar.
Point to Meas. mode and press YES to display the Meas. mode dialog box.
Select Meas. mode by pressing the navigation pad left/right. The alarm function
is typically used together with Area max.
Publ. No. 1 558 017 Rev. a62 – ENGLISH (EN) – August 19, 2004