Waters 2489, Operator'S Manual

Page: 78 / 234

3-10 Preparing the Detector
Shift – Enables the shifted functions (identified by the text at
the top of most keys). The shifted state is temporary, and is
reset after the next keystroke.
0-9 – Enters the
corresponding number into
the current field.
Also positions the cursor at
the corresponding entry in a
list (0 = tenth item). Selects
the corresponding number
from a choice list. 0-9 – See descriptions for
specific shifted numeric keys.
1 – See 0-9 above. Lamp – Displays the lamp use
statistics for the currently
installed lamp and allows you
to turn the lamp on or off. The
current state of the lamp is
indicated by an icon on the
absorbance screen.
2 – See 0-9 above. Lock – When you are on the
absorbance screen, enables or
disables the keypad lock
feature. Use the lock to
prevent inadvertent changes
to detector settings. The
current lock state is indicated
by an icon on the absorbance
screen.
3 – See 0-9 above. Calibrate – Initiates the
wavelength calibration
routine.
Detector keypad description
Key
Description
Unshifted Shifted
Shift
0-9
Lamp
1
Lock
2
Calibrate
3