
93
92
Note: the Command Prefix has not to be
changed using HI92000 Hanna Soft-
ware.
Select a different com-
mand prefix (between 0
to 47 in decimal) by
pressing UP and DOWN.
Press CFM to confirm the set-
ting.
Procedure for pH 301:
To set the baud rate of the meter press
COMM, the primary LCD shows the current
baud rate.
The following baud rate
can be selected through
UP and DOWN:
150, 300, 600, 1200
(factory setting), 2400,
4800, 9600.
Press COMM to confirm the setting and the
primary LCD shows the current command
prefix: 16 is the factory setting.
Note: the Command Prefix has not to be
changed using HI92000 Hanna Soft-
ware.
CFM
°C
°C
COMM
°C
°C
COMM
ADDITIONAL INFORMATION ABOUT
INTERFACE WITH PC
(for technical personnel only)
If you are not using Hanna Instruments
HI92000 application software, please find here
below some additional information to help your
connection to the PC.
SETTING THE BAUD RATE AND THE
COMMAND PREFIX
The transmission speed (baud rate) of your
pH meter and of the external device must be
the same.
Procedure for pH 300:
To set the baud rate of the meter press
COMM, the primary LCD shows the current
baud rate.
The following baud
rate can be selected
through UP and
DOWN:
150, 300, 600, 1200
(factory setting) and
2400.
Press CFM to confirm the setting and the
primary LCD shows the current command
prefix: 16 is the factory setting.
COMM
°C
°C
CFM