Fig. 1. The IRT3's controls, indicators
and physical features
A. Meas. (measure) button
C. Wrist strap attachment bar
D. Laser pointer
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
B. MODE button
E. IR sensor window
G
B
C
D
E
F
3