b)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily
again, the " REC MIN " symbol along with the
minimum value will appear on the display.
* When display shows " REC MAX " or " REC MIN ",
press the " Hold Button " ( 3-4, Fig. 1 )
momentarily will delete the max. ( min. ) value,
the display will show the " REC. " only and
execute the memory function continuously.
c) To exit the memory record function, press the
" REC " button for 2 seconds at least. The display will
revert to the current reading, not show " REC "
indicator.
4-4 Auto power off management
The meter has built-in "Auto Power Shut-off " function in
order to prolong battery life. The meter will switch off
automatically if none of the buttons are pressed within
10 min..
1)Power off, use the finger to press the " Hold button " continuously ( not release )
then power On . Until power on ( Display on ) then releasee fingers from the "
Hold button ".
2)Insert the Probe head into the calibration standard solution.
3)Press the " Hold button " once, display will show " HOLD " indicator,
press the " REC button " once, the upper display will show " CAL " within a short
period.
Then display will show
5
.
CALIBRATION
PROCEDURE
S
6
