HF scientific Micro1000 Laboratory Turbidimeter - 0-10,000 NTU - Manual (Page 20)

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This feature is designed to decrease the sensitivity of the instrument to dissolved materials that may
adversely affect a turbidity reading (e.g. dissolve material creating color). Press either the S or T
keys to change the operational state of this option in the instrument. When you have selected the
desired state press the key
6.3. Selecting Display Resolution
The instrument is equipped with the ability to display several levels of resolution (number of digits
to the right of the decimal place). The instrument is capable of displaying turbidity with a resolution
of four digits to the right of the decimal place (0.0001) for turbidity readings below 10 NTU. If you
feel that the last digit, or two, is not stable, or useable, then you may suppress these digits by
selecting the proper display resolution.
After setting up the ratio mode functionality, the upper row of the display will show the current
resolution; the lower row of the display will show the letters “RES.”
You have the ability to select the resolution shown on the display by pressing either the S or T
keys to change the resolution to be used. When you have selected the desired resolution press the
key.
6.4. Configuring the Security Code
The instrument is equipped with a security access option. If this option is turned on, the user must
input the access code to gain access to calibration or instrument configuration. The security key will
be highlighted on the display and the word “S-C” will be shown on the lower row of the display.