Manual
Table Of Contents
- 1 About this document
 - 2 Safety and disposal
 - 3 Support
 - 4 Scope of delivery
 - 5 Product description
 - 6 Commissioning
 - 7 WLAN connection – using the App
 - 8 Bluetooth® connection
 - 9 Performing the measurement
- 9.1 Saving an image
 - 9.2 Setting measuring functions
 - 9.3 Image gallery
 - 9.4 Scale
 - 9.5 Emissivity
 - 9.6 Palette
 - 9.7 Image type
 - 9.8 SiteRecognition
 - 9.9 Voice annotation
 - 9.10 Configuration
 
 - 10 Maintenance
 - 11 Technical data
 - 12 Questions and answers
 - 13 Accessories
 
9 Performing the measurement 
39 
5 
Confirm with . 
Values for current, voltage and power can be transferred from the 
testo 770-3 clamp meter. 
9.2.5  SiteRecognition 
With the PC software testo IRSoft QR Codes, markers can be set to clearly 
identify a measuring location. By setting a marker with the built-in digital imager, 
the images, which are then saved, are automatically allocated to the relevant 
site (allocation is saved with this image). For the creation of markers, 
transferring of measuring site data to the imager and copying of images to the 
PC software, see instruction manual for the PC software. 
1 
Open the Menu. 
2 
Select SiteRecognition function (joystick or touchscreen). 
 
The real image is displayed and a position frame is shown. 
To quickly change the measuring locations, SiteRecognition can be 
assigned to the quick select button.  
Enter measuring site marker 
1 
Position the imager so that the marker is inside the position frame. 
2 
After recognition of the marker ID: confirm transfer of measuring site 
data. 
 
The thermographic image that is taken next is assigned to the 
measuring location. 
Several images can be saved for the same measuring location. 
To exit the measuring location, press Esc or touch the bottom left 
corner. Run SiteRecognition again.  
9.2.6  IFOV 
Enabling IFOV causes the shape of the crosshairs to change from round to 
square. Everything that fits into this square crosshairs can be measured 
correctly. The smallest object that can still be measured correctly becomes 
detectable. 










