3-11
OPERATION
Manual Datalogging (Default)
A single press of Switch Three (
) performs a manual
datalog. This is confirmed by the STORE flag being
displayed for 1 second and the buzzer sounding.
Notes on CGI mode (Default):
•
Alarms do not operate in CGI mode.
•
Logged readings can be stored manually in CGI
mode (using Switch 3 as described before).
•
In CGI mode the instrument switches off automati-
cally after 30 minutes. ‘OFF’ is shown in the top
right hand corner of the display. Pressing any but-
ton cancels this automatic switch-off. The instru-
ment will then allow another 30 minutes of use.
This 30 minute period is set as a default.
The switch off time may be altered to any time
between 1 and 1000 minutes
Summary of CGI Button Operation
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–
–
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CGI
Mode
Single Press
Double
Press
Press and
Hold
Switch 1
Switch 2
Switch 3
Switch 4
Activates / Mutes
Audible Geiger
Indication
Zeroes Current
Range (ppm)
Summary of Contents for Gasurveyor 500 Series
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