Fluke TiX660 User Manual page 87

Table 3-3 contains a summary of the different functions
selectable for the different buttons. To identify the button
function as set at the factory, the button symbols are
assigned accordingly in the function column.
Button
Short/long (M: halfway/completely)
Range adaptation 
Compensation 
Compensation (long)

Compensation + range adaptation
"Level/range" menu
"Max/Min" menu
Laser on/off 

Light on/off 
Real-time saving

Video saving

Level/range menu  long
Table 3-3. Button Functions
Function
long
halfway
Explanation
Temperature scale according to the scene
NUC (Non-Uniformity Correction)
NUC Reset + NUC
NUC and temperature scale in accordance with the scene
For manually setting Level/range
For manually setting Maximum/Minimum
Laser distance meter/laser pointer on/off
Photo light on/off
Start/stop real-time saving
Start/stop video saving
For manually setting Level/range
3
Display Menus
Settings Menu
3-41