Heath Consultants GT Series User Manual
Page 83

7-7
CO (CARBON MONOXIDE) MODE
7.6.2 Manual Zero
Only available in differential CO mode.
To zero differential CO:
Press and hold ZERO
.
7.6.3 Manual Log
A manual log can be taken at any time provided that the
pump is running.
To capture a manual log:
Press and hold LOG
.
Note: When a manual log is taken, the term LOG is
inversed on the display for one (1) second to
provide a visual confirmation that the log has been
captured.
7.6.4 Flow Fault
If flow fault is detected, the pump stops automatically.
The instrument should be checked for water ingress or
blockage.
To clear the flow fault:
(Once the blockage has been cleared):
Press the RH button
.