3
5 Operation
5.1 Power on or off
Press button，turn on or turn off.
5.2 Turn on backlight
press button to turn on or turn off the
backlight.
＊The backlight will automatically turn off after
being lit for 15 seconds.
5.3 Alarm on or off
press to turn “on” or “off” the alarm, followed
by "LIMIT" appears on the LCD.
This LCD shows the status "on" or "off" of the
alarm function. It is possible to set the upper and
lower limit of the temperature range by yourself.
When the temperature reading exceeds the range,
the buzzer will alarm until the temperature back to
the range or the alarm function turned off.
(For the limit range setup, please enter 5.17
Setup Function)
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