es, the LL.L will be displayed. If the tem-
perature reading is above ranges, the
HH.H will be displayed.
Background lighting
If the product is powered by batteries,
Press the "SNZ/LIGHT" button and back-
light will light up for 15 seconds.
When the power supply of the product is
inserted into the power supply adapter,
the battery will automatically disconnect
the power supply, and the backlight will
always be bright.
Press the "
brightness of the backlight, you can ad-
just the 4 state: 3 different brightness
backlight and close the backlight. Users
can choose according to the personal
preferences of different brightness back-
light or turn off the backlight.
When the backlight is in the dark bright-
/SET" button to adjust the
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