NAVI D-25 Instruction Manual page 69

2 Taking Measurements
2.9 Dissolved oxygen (DO) measurement (D-55)
58
3.
Press the CAL key one more time to start
calibration.
The measured value will be displayed, and "HOLD"
will blink until the reading stabilizes. When the
measured value stabilizes, "HOLD" will stop blinking
and the "End" will be displayed.
The mode cannot be changed while measurement is
taking place in Auto Hold (while "HOLD" is blinking on
the display).
While "HOLD" is blinking
To cancel calibration: Clear the hold by pressing the CAL
key, again.
To fix the calibration value: Fix the value using the
ENTER key.
4.
Press the MEAS key to return to the DO
MEASUREMENT screen.
HORIBA