Fluke Ti40 User Manual page 65

If you selected "Temperatures are Inside Specified Range," you cannot
change the Max or Min check boxes.
9. Continue to Step 10 to set the alarm temperature range, or go to Step 12 if
finished.
To set color alarm temperature range (maximum and minimum temperatures):
10. Follow steps 1-4.
11. You can increase or decrease values rapidly to get near the value you
want:
Position the pointer over either the Max or Min temperature value; tap
E; the box becomes highlighted. Use the MOUSE controller
up/down action to quickly adjust the value in large increments. Tap
E again to enter the selected value.
Increase or decrease values slowly one digit at a time to hit the exact
value you want, position the MOUSE pointer over the value's
corresponding right/left arrows, then tap E as needed until you
reach value you want.
12. Tap the TRIGGER button to accept setting change and return to scan
target mode.
Visible Light Camera Module (VLCM)
Using Color Alarms
5
5-9