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5. Operation
The PF-12
Plus
is designed for easy handling and operation. The photome-
ter PF-12
Plus
has a 20-part keypad: 10 numbered keys and 10 keys with
special functions.
Date
Additional information
Selected sub-method
Selection of sub-method
Sample location
Sample number
Time
Method number and title
Measurement value with unit and suffix
20–80 % range
Dilution
Zero and measurement
The display is devided into three sections. In the upper part date, battery status and time are
shown. Depending on the mode, in the middle section the actual measurement values, menu
options or respective menu symbols are displayed. The lower part of the display is a task bar
showing the possible options in the current mode.
Press
to return to the next higher level. Press repeatedly to return to the method se-
lection mode.
PF-12
Plus