User Manual

5 First steps
23
Changing assignment of the quick select buttons
1. Move Joystick left or right to open the Configure key function
list for the left or right quick select button.
2. Move Joystick up/down to select the desired function.
Function Description
Image type Change display mode: Infrared image, real
image or infrared/real image.
2
Laser Switch on laser for homing in on the
measuring surface (hold button down).
3
Light (testo 875-2i
only)
Switch on/off LEDs for lighting up objects for
the digital camera.
Palette Change colour palette for the infrared
image.
Emissivity...
Set emissivity and reflected temperature.
Scale...
Set scale limits.
Adjustment
Perform manual zero point calibration.
3. Press [OK] to activate the selected function.
Navigating in the menu
1. Press [OK] button.
- The Menu is opened.
2. Select navigation/function:
• Move Joystick up or down to select the menu item.
• Press [OK] to confirm the selection. Or for menu items that
are marked with an arrow (►): Move Joystick to the right.
• Move Joystick to the left to return to the previous menu
level.
• Press [OK] to select the function.
• Press [ESC] to cancel the process and change to
Measuring Mode.
2
Real image and infrared lens have a different angle of view due to the spacial
separation. The image areas therefore do not correspond completely (parallax
error).
3
Laser and lens have a different angle of view due to the spacial separation.
The laser sighting and the centre of the image thus do not correspond
completely (parallax error).