Non-Contact Infrared Human
Forehead Thermometer Instructions
PRODUCT NUMBER: THDG986
Function Definition
Icon
Details
Battery Level
When it is visible
The battery is in low level, but the thermometer is
still functioning properly. Please replace battery
ASAP.
When it flashes
The battery is exhausted and thermometer can not
function properly. Please replace battery immediately.
When it is visible
Battery power is sufficient and it functions properly.
Measurement Mode
Human Body Mode
Object Mode
Reading Scale
Fahrenheit Reading
Celsius Reading
Reading Display
Temperature Value
Memory
Temperature value of previous measurement
Buttons
Description
Mode
To switch measurement mode between human body and object
MEM
To track last 10 readings
C/F
To switch unit of temperature reading
DISPLAY & ICONS
FUNCTION OF THE SETTING BUTTONS
SETTINGS
User can change reading scale between Celsius and Fahrenheit, and change measurement mode between
human body mode and object mode.
MEASUREMENT MODE SETTING:
When thermometer is on, it displays current measurement mode (Figure 1.1). Press the “Mode” button to
change measurement mode (Figure 1.2).
READING SCALE SETTING:
When thermometer is on, it displays current reading scale. Press the “C/F” button to select reading scale.
NOTICE:
• Temperature under human body mode is obtained from dynamic compensation of environmental temp
and forehead surface temp.
• Object temperature mode is to test surface temperature of an object. The temperature taken from
forehead in this mode is merely the temperature of forehead surface but not body temperature.
Figure 1.1
Figure 1.2
