Thermo Fisher Scientific CyberScan PC 300 User Manual
Page 42

Instruction Manual PC 300
38
You can also change the Ready indicator and auto endpoint function in Program P7.1
(available from conductivity or TDS mode). Any changes you make to the Ready indicator/auto
endpoint function in pH mode will also change in conductivity mode.
P3.2: Selecting number of pH calibration points
Program P3.2 lets you select the number of calibration
points that appear in pH calibration mode: 2, 3, 4, or 5.
The meter will automatically exit calibration mode after
you have calibrated to your selected number of points.
From measurement mode.
1. Press
the
MODE key to select pH measurement
mode.
2. Press
SETUP key to enter Set Up mode.
3. Press
the or
keys to scroll through subgroups
until you view parameter P3.0.
4.
Press the ENTER key twice to select parameter 3.2.
5. Press
the or
keys to select 2, 3, 4, or 5 point
pH calibration.
6. Press
the
ENTER key to confirm selection and to
return to the subgroup menu. Press CAL/MEAS key
to return to measurement mode.
See Figure 30.
P3.3 Selecting USA or NIST buffer
Program P3.3 lets you select between the following buffer
sets:
USA: pH 1.68, 4.01, 7.00, 10.01, 12.45
NIST: pH 1.68, 4.01, 6.86, 9.18, 12.45
Factory default is USA buffer set. Please refer to
Addendum 5 for P3.3 procedure.
Figure 30 – P3.2: Select number
of pH calibration points