B&K Precision SEFRAM 7212 Manuel Utilisateur page 43

11. Measurement instructions
Precautions before operation:
6.
Turn on the power and check whether the battery is under
voltage. If "
the battery before operation. If not, please follow the steps
below.
7.
The " " warning symbol next to the jack of the measurement
probe indicates that the input voltage or current should not
exceed the indicated value, which is to protect the internal circuit
of the instrument from damage.
8.
The instrument has the function of automatic shutdown, that is,
the display shows " " and it will shut down automatically about
10 minutes after no operation. Cancel the automatic shutdown
function: press and hold the "
after hearing the beep sound for about 5 times, release the key,
and the "
prevent the instrument from entering the sleep state during the
measurement process.
9.
The backlight function turns off automatically after about 15
seconds.
10.
The lighting function will turn off automatically about 15
seconds after it is turned on.
" is displayed on the screen, you need to replace
" is not displayed on the display screen, which can
Measurement instructions
" key to start the machine,
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