WATERS CORPORATION 2424, Operator'S Manual, Page: 91 / 196

Configuring the detector 3-27
Configuring event inputs
You can also use CONFIGURE to edit event input settings and specify
switched output settings.
Four editable entry fields appear on the first Configuration screen: Inject,
Chart mark, Auto zero, and Lamp.
• Inject – You can specify the Inject input to signal the start of a run. This
event resets the runtime clock and applies initial method conditions
immediately:
–
High – Start run when contact closure changes from Off (open) to
On (closed).
– Low – Start run when contact closure changes from on (closed) to off
(open).
– Ignore – Do not respond to inject-start input.
Use Enter and the numeric keypad or and to select the appropriate
entry.
• Chart mark – You can specify the input to create a chart mark on signal
output. To determine the response of the channel, use the chart mark
function.
–
High – Create chart mark(s) when contact closure changes from Off
(open) to On (closed).
– Low – Create chart mark(s) when contact closure changes from On
(closed) to Off (open).
– Ignore – Do not respond to chart mark input.
Use Enter and the numeric keypad or and to select the appropriate
entry.
• Auto zero – You can configure the auto-zero input to auto zero light
scattering readings on signal output. To determine the response of the
channel, use the auto zero function.
–
High – Auto zero the channel when contact closure changes from Off
(open) to On (closed).
– Low – Auto zero the channel when contact closure changes from On
(closed) to Off (open).
– Ignore – Do not respond to auto-zero input.