4.3 All key functions at a glance
34
780/781 pH/Ion Meter, Manual
Key Measured value display
(normal operation)
Menu display
(editing)
Section 5.2), the
key
prints out the measured value as a
measuring point report.
Operating mode selection
• In the pH, T and U modes (780 pH
Meter) and the pH, T, U and Conc
modes (781 pH/Ion Meter) the
key changes the mode.
Cancels sequence
• With the
key working se-
quences are terminated without direct
transfer of the data.
Message acknowledgement
• Displayed messages are normally
acknowledged with
. (Excep-
tions: see Section 8.2)
• If cause of the message has not been
remedied then it will appear again at
the next check.
Cancels working step
• Queries are exited with
. In
this way it possible, e.g. to skip individ-
ual steps within a working sequence
without accepting the data.
• In menus
causes a jump to
the next higher level.
7
Displays calibration data
• In the pH and Conc(direct) modes the
key shows the current
calibration data.
Report selection
• Direct selection of the configuration
report after
.
Enters the number '7'
User selection
• With
a user name can be
newly entered, selected or deleted.
Enters the number '8'
Report selection and printout
• With
a report can be
selected and printed out.
• The selection of the report from those
available is made either with
or directly by pressing the
corresponding key (e.g.
, see right-hand column:
Report selection).
Enters the number '9'
Shows addition data
(781 pH/Ion Meter only)
• In the Conc Mode
shows the data of the last measure-
ment for standard and sample addition
methods.
Report selection
(781 pH/Ion Meter only)
Enters the number '4'