EXCEEDING MEASUREMENT RANGE IN BODY MODE:
• When measurement value is lower than 95°F (35°C), it displays Lo (Figure 4.1) and gives 4 consecutive beeps and the backlight on the LCD
screen will turn red.
• When measurement value is higher than 109.2°F (42.9°C), it displays Hi (Figure 4.2) and gives 4 consecutive beeps and the backlight on the
LCD screen will turn red.
EXCEEDING MEASUREMENT RANGE IN OBJECT MODE:
• When measurement value is lower than 32.4°F (0.2°C), it displays Lo (Figure 4.3) and gives 4 consecutive beeps and the backlight on the LCD
screen will turn red.
• When measurement value is higher than 199.4°F (93°C), it displays Hi (Figure 4.4) and gives 4 consecutive beeps and the backlight on the
LCD screen will turn red.
NOTICE:
• When surrounding temperature is lower than 60.8°F (16°C) or higher than 104°F (40°C), it displays Err (Figure 4.5) and gives 4 consecutive beeps
and the backlight on the LCD screen will turn red. Under this condition, it is not advised to use this thermometer and accuracy is not assured.
PRODUCT NUMBER: THDG986
Non-Contact Infrared Human
Forehead Thermometer Instructions
MEASUREMENT SETTINGS CONTINUED
Figure 4.1
Figure 4.5
Figure 4.2
Figure 4.3
Figure 4.4
OPERATING INSTRUCTIONS
Open battery lid and install
2 AAA batteries. Make
sure the positive and
negative poles are facing
appropriate direction.
1.
Keep distance at 2-3
in. (5-8 cm) from
thermometer probe to
the middle of forehead,
without coming into
contact with the forehead
directly.
2.
Select measurement
mode and click the
measurement button to
start taking temperature.
3.
Reading will display on the
screen after successful
measurement.
4.
2–3 in.
(5–8 cm)
Measurement Button
Human Body
Mode Icon
Object
Mode Icon
