3-7
OPERATION
‘Geiger’ Alarm
The ‘Geiger’ style alarm provides an audible indication of the
ppm concentration of gas.
The ‘Geiger’ audible alarm is initially muted. To activate
press and hold
. When activated, press again to mute.
Zero PPM Range
The flammable ppm range can be manually zeroed.
To zero, double press
. This should be carried out in
fresh air.
Manual Datalogging
To perform a manual data log, press and hold
.
The pump must be ON when performing a manual datalog.
Summary of CGI Button Operation
Fig. 3-7 CGI Button Operation
CGI
Single Press
Double Press Press & Hold
Toggles Pump
Normal / Hi / Off
Instrument
OFF
Instrument
ON
Manual Log
Next Range
Zero PPM
Range
‘Geiger’ Audible
On / Off
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