NAVI D-25 Instruction Manual page 106

● pH/ION CH setting [item No. 04] (D-53 )
Item No. 04
D-52/53/54/55
Both channels can be used to measure the pH and ions.
1.
Press the ENTER key to toggle between CH1
and CH2.
2.
▲
Use the
measurement channel.
3.
Press the MODE key to proceed to Remaining
data memory (item No. 05).
HINT!
Entering the Maintenance mode
Measure-
Maintenance mode
ment mode
▼
or keys to select the pH/ION
Item No.
selection
3 Functions
3.4 Setting modes
95