13
(b) Press
and
key to choose the time of back light auto power off,press
key determines and returns;
(c) Press
key to enter into next parameter setting or press
key to
confirm and return to measuring mode.
4.4.8. Auto power off time setting (P7)
(a) Press
key in mode P6 to choose mode P7,press
key enters into P7 see
picture (4-8).
(b)Press
or
key to choose the auto power off time,press
key
determines and returns; " 0"means to shut off auto power function;
(c)Press
key to enter into next parameter setting or press
key return to
measuring mode.
4.4.9. Restore to producer setting (P8)
(a) Press
key in mode P7 to choose mode P8,press
key enters into P8 see
picture (4-9).
(b)Press
or
key to choose
“
ON
”
, then press
key
determines,
“
888
”
flicker means restore to producer setting; press
key
return to measuring mode.
（
c
）
This function is used carefully. Once the factory setting is restored, the data that is
stored before the calibration will be deleted.
