7
number 2 before using the thermometer.
6. Do not hold INV-DC200 for a long time as it is highly sensitive to heat.
7. Keep the temperature probe clean to ensure accurate readings.
8. Before measuring temperature from an ear canal, remove earwax, if
any. Keep the ear canal clean.
6.
Instructions for display and operation
LCD
display
Operational method and
instruction for displays
Sound and backlit
1.Measurement of forehead
temperature
Hold down the F1 button and
scan the sensor across the
forehead from left to right. Once
the button is released, the
maximum temperature will be
shown on the LCD display.
2.Measurement of ear
temperature
Press button F2. Once the button
is released, the temperature will
be shown on the LCD display.
3. To measure again, simply
press button F1/F2
When the temperature is
between 89.6°F/ 32.0°C
and 99.6°F/ 37.6°C, there
will be a long beep and a
green backlit will be
displayed for 3 seconds.
When the temperature is
between 99.6°F/37.6°C
and 107.9°F/42.2°C, there
will be 7 short beeps and
the display will flicker with
a red backlit for 3
seconds. This indicates
that the subject may have
a fever. Please consult
your doctor if you are not
sure.
or
or
Forehead Measurement mode
Eardrum measurement mode
The measured value exceeds
107.9 °F/42.2°C.
7 short beeps and the
display will flicker with a
red backlit for 3 seconds
8
The measured value falls below
89.6°F/32°C.
7 short beeps and the
display will flicker with a
red backlit for 3 seconds
Inquiry for memory data, Storing 20 groups of data
LCD
display
Operational method and instruction for
displays
Sound and
backlit
Press and hold button F2 between
3-6seconds
and the LCD will display “- - -”
with the M signal blinking.
silence
Press button F2 again and the LCD will
display the first data group with the M signal
blinking. Press button F2 and it shall display
the second data number group for 1 second
before displaying the measured data and
mode icon. The thermometer can record 20
groups of data.
silence
The LCD will display “- - -” with the M signal
blinking if there is no test data.
silence
C/F conversion
LCD
display
Operational steps
Sound and
backlit
Press and hold button F2 for
6-9 seconds
when the thermometer is off. The
temperature unit starts blinking. Press button
F2 within 5 seconds to change the
temperature unit to your choice.
silence
Error message
