Aquametrix AM-TBR Turbidimeter User Manual - Manual (Page 29)

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Change the brightness by pressing the or button. When the desired brightness has been
selected, press the ↵ button.
7.12. Setting the Units
The most common unit is NTU (Nephelometric Turbidity Units) however the instrument can
display in FNU (Formazin Nephelometric Units). All instruments are shipped from the factory set
in NTU mode. Make a selection using the and buttons then press the ↵ button.
7.13. Ultrasonic Cleaning
This allows for a selection menu to turn off the ultrasonic cleaning function if desired. The default
mode is On. Make a selection using the and buttons then press the ↵ button.
7.14. RS-485 Parameters
For instruments manufactured on or after June 2003, the following menus can be used to modify
the RS-485 parameters. These menus will only appear if the RS-485 is enabled (see section
7.1). The default is 8 Bit, no (nOnE) Parity, 1 Stop Bit. Make selections using the and
buttons then press the ↵ button to move to the next menu.