Mach Power HC-IRDFT Guía De Uso página 11

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10.3.5 Warning threshold setting (the back-lit displays red color
when the measurement exceeds this threshold):
Press the setting key to select the LCD display as F2; Press the "+" / "-"
key to modify the alarm temperature value (the lowest alarm is 37 °C);
Short press the setting key to save the current selection and enter the
next option, long press 3 seconds to save the current setting and exit
the setting function.
10.3.6 Buzzer Setup:
Press the setting key to select LCD display as F3; Press "+" to select
buzzer on, press "-" to select buzzer off; Short press the setting key
to save the current selection and enter the next option, long press 3
seconds to save the current setting and exit the setting function.
10.3.7 Error correction settings:
Press the setting key to select LCD display as F4; Press the "+" / "-" key
to set the correction value (range - 3.0 °C - + 3.0°C; for example, the
measured result of the human body in a special environment is 35.9
°C, while the actual temperature is 36.6°C. In this state, the tempe-
rature value can be adjusted to the correct 36.6 °C via the value set
by "F4", to obtained the correct temperature value.) ; Short press the
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HC-IRDFT(manual).indd 11 07/09/20 15:10