Medisana MediTouch Instruction Manual page 85

Test result is lower than
20 mg/dL (1.1 mmol/L).
Repeat the test. If the result does not
change, consult your doctor.
Ht / Lt appears. Temperature is too high or too low, not within the
required range of 10 °C - 40 °C (50 °F - 104 °F).
The user is warned about a potentially incorrect test result if the test
proceeds.
Move your monitor to a place with a temperature between 10 °C and 40 °C
(50 °F - 104 °F).
7 Miscellaneous
35