HF scientific 19944 Triple Validation Turbidimeter - 0-100 NTU - Manual (Page 30)

TVT2 (5/02)
Rev. 1.7 (.pdf) 25
display at this time and the lower row of the display will indicate the operational status of
the security access option (on or off).
You can change the operational status of this option using the t and u buttons. Once
you have set the desired security code functionality, press the
↵
button to accept it. You
will now see a screen with the word END on the lower row of the display.
Pressing the ↵ button will return you back to the normal automatic mode of the
instrument.
You have now completed the customer selectable parameters section of the instrument.
You can enter this menu at any time to re-set, or change, any of the parameters.