LABEC M-PL-600 - Manual (Page 14)

temperature value (ATC or MTC), measurement time, measurement date)
will be stored in memory of the instrument.
9. Functional parameter setting
Press key longer than 1.5s, the instrument comes into
functional parameter setting mode. Under this mode, operator could check,
modify and set the relative information, parameter and function. Under this
mode, using 、、 3 short keys to set the procedure
parameter: short key is used to cycle choosing functional
parameter setting items， key、 key are used to modify the
process functional status and parameters. Presslong key to
protect procedure setting item parameters and end procedure parameter
setting status, back to formal status.
9.1 Electrode calibration information（P1）
Under this status, the operator could check the calibration information.
Press long key to enter the program parameter setting status
“P1”，the LCD displays as left chart. Press< M+/∧>short key to display zero
potential of the pH sensor（Offset）mV value、Slope value alternatively.
Information displayed in left chart：the calibration date of PH sensor is 1
st
of March （ display calibration date and calibration time
alternatively）;calibration method is 2 points calibration; temperature of the
solution is 25.0℃（ATC）；PH sensor zero point （Offset）is 0.0mV.
9.2
Date and time setting
(P2)
Factory setting of the instrument is
according to current Beijing date and
time. Press key to choose the
number to set, presskey to
modify the number. The instrument has
set to 24 hours. The left chart is 1
st
March, 2004, 8:28.
10. Self diagnostic information
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