5
D. Forehead Mode
Forehead is the default mode of the THD2FE.
1. Make sure that the sensor lens is clean and
undamaged and that the forehead is clean.
2. Hold the sensor lens 1.5 inches (4 cm) or less
from the center of the forehead and press
the START button to get the temperature
measurement.
3. Wait for the Forehead icon ( ) to stop ashing
before taking the next measurement.
a. Temperature Alert
If the thermometer detects a temperature
≥99.5°F (37.5°C), three short beeps sound
followed by one long beep.
b. Silent
i. When the THD2FE is on, press and hold
the POWER button for 3 seconds.
ii. The silent icon ( ) ashes on the display.
iii. Release the POWER button to silence the
alert.
iv. Repeat to turn the alert on again.
Note: If the POWER button is pressed for 5 seconds after
the silent icon has begun ashing, the device will power off
without setting the alert to silent.
c. Memory
Recall up to 25 readings.
Note: As the memory gets full, the newer readings will replace
the older readings.
i. When the THD2FE is on, press the
POWER
( )
button to see the temperature records
in memory.
ii. The memory icon ( ) appears on the