Xylem VARIO WATERPROOF PH METER - Manual (Page 31)

VARIO pH Operation
31 ba75373e04 07/2006
4.5.3 Erasing measured data from the memory
To erase all datasets proceed as follows:
4.6 Clock
The meter has a clock.
When storing measured values and calibrating, the current date and time are
automatically stored as well.
The clock has the following additional functions:
z Alarm function (see section 4.6.2).
z Stopwatch (see section 4.6.3) and
z Timer (see section 4.6.4).
Note
The automatic switch-off function (section 4.7) is not activated as long as the
clock is indicated on the display.
4.6.1 Displaying and adjusting the date and time
The correct setting of the date and time is important for the following functions
and displays:
z Current date and time
z
Calibration date
z Alarm function
z
Identification of stored measured values.
Therefore, check the time regularly.
Note
The date and time are reset to 01.01.2003, 00:00 hours with a battery
change. Set the clock after each battery change.
1 Display the memory with < M_ >.
The r status indicator appears on the display.
The measured value that was saved last is displayed.
2 Erase the entire memory with < D >.
A security prompt appears.
3 Confirm the deletion with < g >.
After the deletion, NO DATA appears on the display.
4 Switch to the measuring mode with < E >.