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EAR & FOREHEAD THERMOMETER 301
7.5 DISPLAY ERROR MESSAGES
8 ADVANCED MODE
8.1 TIME SETTINGS
• Power on the unit by pressing the START - button once. You
will hear a short beep. Time mode is displayed.
• Press and hold the SET - button . The hour digits are blinking.
• Press the SET - button repeatedly to increase the digit.
• Press the OK - button to confirm. The minutes digits are blinking.
• Repeat previous steps for setting the minutes, year, month and day.
• After setting the day, the unit will enter sleep mode setting.
8.2 SLEEP MODE
When sleep mode is not activated, the display is continuously ON.
The display will toggle between time and room temperature.
After setting the time and date, sleep mode setting is displayed:
• Press the SET - button to switch between ON or OFF.
• Press the OK - button to confirm.
‘HI’
‘LO’
‘ErrE’
‘ErrU’
‘ErrH’
‘ErrS’
‘ErrR’
‘ErrL’
‘ErrP’
The measured temperature is > 42,9 °C / 109,3 °F.
The measured temperature is < 32,0 °C / 89,6 °F
The ambient temperature is not within the operation
specifications.
Does not measure after pressing ‘Measure’. Follow the steps
mentioned in the user guide.
An error is detected during self-check. Remove the batteries for
10 seconds and try again.
Sensor error. Do not use the thermometer under extreme
environment.
Hardware problem. Return the unit to the service center.
Battery low. Replace the battery.
Hardware problem. Return the unit to the service center.
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