Option Description
Invert Digital
Inputs
Invert the default state for control of the digital inputs.
Digital Input 1—When power is removed across pins 1 and 2 for at least
500 milliseconds, the analyzer stops the current operation and does a single TOC
analysis.
Digital Input 2—When power is supplied across pins 1 and 3 (low state), the analyzer
enters online TOC analysis mode. When power is not supplied across pins 1 and 3 (high
state), the analyzer goes to conductivity mode.
Make TOC analog
output persistent
Hold the last reported value at the output when the analyzer is in standby mode or offline
mode.
Invert Digital
Outputs
Invert the default state of each digital output (1–4). For the default state of each digital
output, refer to Table 13 on page 32.
Enable the stabilization process
When the analyzer switches to do an online TOC analysis after it operates in continuous flow modes
(such as conductivity mode or standby) for extend periods of time, a stabilization process should be
done. The stabilization process can decrease the number of TOC analysis cycles necessary to give
stable results.
During the stabilization process, water is trapped in the sample cell and the UV lamp is set to on to
thermally stabilize and clean the sample cell.
1. Push << to show the sliding menu.
2. Push the SETUP icon.
3. Push TOC.
4. Select the Stabilization tab.
5. Select an option.
Option Description
Stabilize cell prior to
analyzing
Enable automatic stabilization of the sample cell before a reportable TOC
analysis is done.
Time between TOC
analyses
Set the minimum elapsed time between TOC analysis before the automatic
stabilization process is activated (hh:mm:ss). Options: 00:00:01 to
23:59:59 (default = 02:00:00)
Stabilization time Set the amount of time to do the stabilization process (hh:mm:ss). Options:
00:00:01 to 23:59:59 (default = 00:10:00)
Set the TOC offset
Use the TOC offset feature to make the TOC output between two instruments the same and better
than the ±5% specification. The TOC offset value is applied to the reported TOC analysis result.
1. Push <<
to show the sliding menu.
2. Push the SETUP icon.
3. Push TOC.
4. Select the Offset tab.
5. Enter the TOC offset. Options: +5.0 and –5.0.
System configuration
Set the analyzer name, location and language
1. Push << to show the sliding menu.
2. Push the SETUP icon.
English 29
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