Heath Consultants Gasurveyor 500 Series - Manual (Page 50)

GASURVEYOR 3-500 USER HANDBOOK
B-2
ON OFF
PUMP
ON OFF
INST.
Figure B-1 Button Functions
To simplify button operation when calibrating the
instrument, an overlay card, shown in Figure B-2, is
available and can be placed over the top face of the
instrument to identify calibration button functions.
Contact GMI for details.
Figure B-2 Instrument Overlay Card