24
(c) Press
key to enter into next parameter setting or press
key to confirm and
return to measuring mode.
6.5.10.Auto power off time setting (P9)
(a) Under P8 mode to press
key choose P9
，
press
enter into P9 mode, shown as picture (6-9);
(b) Press
or
key to choose auto power off time ,
press
key determine the current set value.
“
0
”
means to close the automatic shutdown function.
(c) Press
key to enter into next parameter setting
or press
key to confirm and return to measuring mode.
6.5.11. Restore to producer setting (P10)
(a) Under P9 mode to short press
key choose P10
，
press
enter into P10
mode, shown as picture (6-10);
(b) Press
or
key to choose
“
”
,then press
key to confirm
，
“
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.
6.6. Considerations:
6.6.1.The conductivity electrode has been calibrated before meter leaving factory, its
constant value is marked on the electrode
，
user can direct set constant value,direct use
without calibration.
