Waters 2489, Overview And Maintenance Manual

Page: 50 / 150

June 11, 2015, 715004752 Rev. A
Page 50
Field
requiring
entry
Wavelength Selects the wavelength monitored on the
selected channel. In single-wavelength
mode, you cannot independently control
wavelength on channel B.
Channel selector Changes the channel when you press
A/B. The icon of the selected channel
overlaps that of the other channel.
Channel On Displays ON A or ON B for the channel a
timed or threshold event is programmed
on.
Channel trace When you press TRACE, displays only the
channel being viewed.
Numerical
field
Absorbance Displays current absorbance for the
selected channel.
Lamp on Indicates the lamp is turned on.
Lamp off Indicates the lamp is turned off.
Shift off Blank = Shift off.
Shift on Indicates the shift is on for one key
press.
Single-wavelength Indicates the detector is operating in
single-channel mode.
Multiwavelength Indicates the detector is operating in
dual-channel mode.
Keypad unlock Indicates unrestricted keypad entry.
Keypad lock Indicates changes to parameter values
are not allowed. The keypad locks when
the instrument is under control of an
external data system (remote mode
only).
Sticky diagnostic
on
Indicates a sticky diagnostic setting is
active. (See page 113 for an explanation
of sticky diagnostic settings.)
Table 3–2: Absorbance and message screen icons (continued)
Icon or
field
Icon/field name Function