NAVI D-25 Instruction Manual page 89

3 Functions
3.4 Setting modes
78
Changing the standard solution setting
1.
Press the SET key in the Measurement mode
and select the pH Buffer Setting mode.
2.
Press the ENTER key to toggle between NIST
standard, US standard (USA) and a user-
defined standard (CUST).
3.
Press the
Measurement mode.
MEAS key to return to the
HORIBA