Metrohm 899 Coulometer - Manual (Page 74)

6.1 Basic settings
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899 Coulometer
Routine
Limited dialog for routine operations.
Contrast
The contrast of the display can be adjusted with the arrow keys [ ⇦] and
[ ⇨].
￭ [ ⇦]: the contrast will be decreased by one step each time the key is
pressed.
￭ [ ⇨]: the contrast will be increased by one step each time the key is
pressed.
Input range 150 ... 240
Default value 212
Note
Alternatively, the contrast can also be modified in the following man-
ner:
Keep the red [STOP] key pressed down. As soon as the progress bar
appears, also press the arrow key [
⇩] or [⇧] repeatedly.
This method will, however, cause the contrast to be modified by several
steps.
Beep
If this parameter is activated, then a short beep will sound in the following
cases:
￭ When a key is pressed.
￭ At the end of the determination.
￭ When the system remains conditioned without interruption for 10 sec-
onds.
Selection on | off
Default value on