YSI 9500 Photometer - Manual (Page 12)

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Sample Number
OK
Enter or confirm the sample number (up to 10 digits), then press [OK].
4 If the dilution factor option is pre-selected, then the following display will
appear :-
x 1
Dilution Factor
OK
Press [OK] to accept the default value (x1, no dilution), or key in new
dilution factor then press [OK].
5 The following display will now appear :-
Chlorine-Free / 5
Phot 007
Insert Blank
Choose a Test OK
Place a BLANK TUBE in the test chamber, then press [OK].
If the instrument is in continuous use mode, it is advisable to re-blank from
time to time.
NOTE: The instrument is designed to hold the blank setting as long as the instrument is switched
on. This stage will be omitted when further tests are being carried out. However, when changing
to a test which requires a colored or reagent blank, or uses a tube of a different diameter, the
‘Insert Blank’ prompt will be displayed.
6 The instrument will be set automatically, and after a few seconds the
following display will appear :-
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