Page 53 of 127
Operating Manual
OMGEM5KN – Iss. 5.1
Copyright – Geotechnical Instruments (UK) Ltd
Special action
This menu enables the operator to perform the additional following functions out of sequence if so desired.
1) From the ‘Main Gas Read Screen’ select the soft-key ‘Special Action’ and the following menu is
displayed:
Special action menu
Note: The list of special action options displayed on the special action menu is dependent upon device type
and sequence.
The following special actions may be performed:
This action enables the operator to take a quick gas
reading. The pump will start running automatically when
this key is selected. The operator can stop the pump by
pressing the pump key on the keypad at any time and the
reading can then be stored by selecting soft-key ‘Store’.
This action enables the operator to update site questions
prior to taking a reading.
This action enables the operator to update ID questions
specific to sample points prior to taking a reading.
This action enables the operator to measure internal flow
first when taking a reading. Connect the blue hose to the
sample point. The yellow hose can be vented a safe
distance from the sample point or re-circulated back into
the system. Select either soft-key ‘Zero Flow’,’ Flow
Options’ or ‘Start’ to commence internal flow. Select soft-