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GASURVEYOR 7B-500R - USER HANDBOOK
Confidence Signal
The confidence signal is an audible (beep) and visual (red
LED flash) indication, every 8 seconds, that the instrument
alarms are operating correctly. The confidence signal is
enabled in CSM mode only.
Note: If the confidence signal indication reduces
to every 2 seconds, a fault in the instrument
has occurred but the alarms are still operating
correctly. See page 3-10 ‘Operator Messages /
Fault Flags’ to identify the instrument fault.
Datalogging
The Gasurveyor 7B-500R has two datalogging functions:
automatic and manual. Datalogging is mode dependent, as
illustrated in Fig. 2-8.
Fig. 2-8 Datalogging Table
The total number of data logs, that can be stored in the
instrument memory, will be approximately 2000.
When the
memory is full, the oldest data log will be overwritten.
Note: Datalogging is disabled when the pump is OFF.
Mode
Automatic
Manual
CGI
CSM
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