VWR 662-2380, Инструкция по эксплуатации

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To enter the interval or number of samples, press the chosen window, a
numerical keyboard will appear to enter the value and confirm with the
button.
If in the
MODE
position is set to
STOP
, the
INTERVAL
and
NUMBER OF
SAMPLES
positions are unavailable.
18.2. Entering single readings into the memory
If, according to the previous section, collecting single readings has been
chosen (
MANUAL
), than pressing the button starts up manual readings
collecting (the and
button will show at the bottom of the
measurement screen). If the memory already contains any readings, a table
will appear to choose among:
DELETE, ADD
and
RETURN
. At the bottom part of
the measuring screen the
and buttons will appear. Every press
of the button records the reading. Press the button if you want
to quit the reading collecting mode. If pressing the button results in
filling the last free space in the memory, the meter quits the reading collecting
mode automatically.
Pic. 17
Note: pressing the button while collecting series manually results in
signalising an error with a triple warning sound. Collecting series will
be continued until the
button is pressed.
User‘s manual for PH-2500L pH meter v1.0x