STAND/SLOPE-
The “STAND”
and “SLOPE” keys are used for dual
point pH calibration of the unit. Pressing and holding
the
“STAND”
key while turning on the power, will
change the buffer set to the other available buffer set.
MEA. / EFF.-
The key is used to bring the unit out of the
AUTOLOCK condition when operating in the
pH-AUTOLOCK or mV-AUTOLOCK mode.
Press and hold this key for 5 seconds, the LCD will
display the efficiency of the electrode.
CLEAR/ENTER-
It is used to clear the unit when error signal appears.
It clears all calibration values stored in the internal
memory.
In the pH-AUTOLOCK, mV-AUTOLOCK, pH and mV
modes, press and hold this key for 5 seconds to
enter the stand/slope calibration mode.
In the pH-AUTOLOCK, mV-AUTOLOCK, pH and mV
mode, press this key to save reading into the next
available data storage site.
At the Recall interface, press this key to display the
last set of saved data.
At the Delete interface, press this key to go into
“Delete” mode.
In the “Delete All” mode, press this key to delete all
saved data.
In the “Delete Each” mode, press this key to delete a
single set of data.
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