GE Analytical Instruments ©2010 62 of 226 DLM 74001-04 Rev. A
Chapter 3: Installation
• GMT Difference — Allows you to enter the offset from Greenwich Mean Time. Use the number pad
and the +/- button to specify the offset. For example, for Eastern Standard Time you should enter -
5.00.
Naming the Analyzer Location (Optional)
You can assign a name to the Analyzer that displays with printed and exported data. This feature is particularly
useful if you have multiple Analyzers at your facility and want to easily distinguish data collected from each unit.
To assign a name, follow these steps:
1. Select the Maintenance tab.
2. Press the Advanced button.
3. Press the Advanced Setup button.
4. Press the Location button. Use the keypad to specify a name for the Analyzer and press Enter. Press
the Number button and then the Alpha button to toggle between numbers and letters.
5. Press the Back button twice to return to the Maintenance tab.
Setting the Analyzer Mode
Before starting normal Analyzer operation, confirm that the mode settings match your configuration’s needs.
1. Select the Setup tab. Confirm that the correct mode is selected.
•In On-Line mode, the Analyzer measures TOC continuously and returns measurement results every
6 minutes.
•In On-Line Timed mode, the Analyzer returns a single TOC measurement at specific times of the
day.
•In On-Line Averaged mode, the Analyzer, returns the averaged value of TOC over a specific time
interval.
•In Grab mode, the Analyzer draws samples from a vial in the Analyzer’s iOS or Super iOS System
(from vial port 1). Grab mode is not available for configurations with the Sample Inlet Block.
For more information on mode selection, see “Setting the Analyzer Mode” on page 62.
2. Press the Menu button to exit and save your settings.
Setting Up the Data History
Before taking measurements, review the Archive Data setting to ensure that data is collected in the best way
for your environment. When Archive Data is set to On, the Analyzer will not overwrite the oldest data and
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