3
Fig. 1. The IRT3’s controls, indicators
and physical features
A. Meas. (measure) button B. MODE button
C. Wrist strap attachment bar
D. Laser pointer E. IR sensor window
F. LCD
G. Thermometer battery compartment
H. Laser battery compartment
I. Laser Identification/
Certification/Warning/
Safety Labels
(on upper back of unit)
Fig. 2.
All possible display
indicators and
their meanings
A. Low Battery icon
B. Laser Enabled icon
C. Indicates operation in Scan mode
(with Meas. button pressed and held)
D. Indicates measured value is being held
E. Celsius unit selected
F. Fahrenheit unit selected
G. Measured value
AB C D
E
F
G