User's Manual

Display Messages and Troubleshooting
34
Display messages
What it means
Troubleshooting
When “HI t” or “LO t”
appears, ambient
temperature falls out of
acceptable range (10 °C
~ 40 °C /
50 °F ~ 104 °F).
The meter is unable to
measure.
Do not artificially heat or
cool the meter.
Leave your meter in a room
around 10 °C ~ 40 °C (50 °F
~ 104 °F) for 15 minutes,
then repeat the test.
See "Perform the Glucose
Blood Test” section.
When appears,
your batteries are about
to run out.
When appears,
the batteries are too
weak to work.
Repeat the test after battery
replacement.
See "Get Ready for Testing"
section.