guide.
Battery is low, but thermometer will
still operate correctly.
Insert new batteries.
Battery is too low to take correct
temperature measurements.
Insert new batteries.
Anti-theft function of the device is
enabled; device is locked. Batteries are
low.
Return device to station for
unlocking.
Insert new batteries.
See manufacturer's instruction
guide.
No probe cover is attached.
Attach new, clean probe cover.
No probe cover is attached and
batteries are low.
Attach new, clean probe cover.
Insert new batteries.
Position error.
Clear the display by pushing
the
Start
button once.
Ensure that the position of the
probe is correct and remains
stable.
Ambient temperature is not within the
allowed operating range of 50 - 104 °F
(10 - 40 °C) or is changing too rapidly.
Allow the thermometer to
remain in a room where the
temperature is 50 - 104° F (10 -
40° C) for 30 minutes.
Temperature taken is not within
typical human temperature range.
HI will be displayed when temperature
is higher than 108 °F (42.2 °C).
LO will be displayed when
temperature is lower than 68 °F (20 °
Ensure that the probe tips and
lens are clean and a new, clean
probe cover is attached. Ensure
that the thermometer is
properly inserted into the ear
canal.
Page 2 of 5
Calibration/verification
9/28/2010
file://C:\Documents and Settings\grahamw1\Local Settings\Temp\~hhD427.htm