wtw Multi 340i Operating Manual page 12

Configuring
Baud
4 0 8
pH
C A L
d s i p
p
9 4
pH
1 n T 3
Time
d
O
1 n T 4
Time
d
1 n T 5
Time
d 1
t 2 5
Tref25
0 0 9
Day.Month
12
Configuring procedure (factory settings appear in bold typeface):
l Switch off the measuring instrument.
l While pressing the <M> key, press <
l Select the required Baud rate with < > < >.
0
Selection: 1200, 2400, 4800, 9600 Baud.
l Then press the <RUN/ENTER> key.
l Select the required display during the pH calibration with < > < >.
/pH
Selection: Buffer nominal value (/pH) or current electrode voltage (mV).
l Then press the <RUN/ENTER> key.
l The air pressure is only displayed if an oxygen sensor is connected. Oth-
erwise, "---" appears.
mbar
l Continue with the <RUN/ENTER> key.
9
l Select the required calibration interval for pH/ORP measurements with
< > < >.
Selection: 1... 7... 999 d.
7
l Then press the <RUN/ENTER> key.
l Select the required calibration interval for oxygen measurements with
< > < >.
Selection: 1... 14... 999 d.
1 4
l Then press the <RUN/ENTER> key.
l Select the required calibration interval for conductivity measurements
with
< > < >.
Selection: 1... 180... 999 d.
8 0
l Then press the <RUN/ENTER> key.
l Switchover the reference temperature of the conductivity with < > < >.
Selection: 25 °C (Tref25) and 20 °C (Tref20).
l Then press the <RUN/ENTER> key.
l Select the date and time step-by-step with < > < >. In between, press
4
the <RUN/ENTER> key each time.
l When the last <RUN/ENTER> key has been pressed, the instrument
changes to the last active measuring mode.
>.
Multi 340i