Heath Consultants Optical Methane Detector (OM) - Manual (Page 27)

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CAUTION:
BECAUSE OF INHERENT LIMITATIONS, LIQUID
CRYSTAL DISPLAYS SHOULD NOT BE SUB-
JECTED TO EXTREMES OF TEMPERATURE OR
HUMIDITY. IF THE INSTRUMENT IS EXPOSED
TO A TEMPERATURE BELOW FREEZING OR
ABOVE +49°C (120°F) THE LIQUID CRYSTAL DIS-
PLAY MAY TEMPORARILY CEASE TO FUNC-
TION PROPERLY AND IN SOME CASES PERMA-
NENT DAMAGE MAY RESULT. IT IS RECOM-
MENDED THAT THE INSTRUMENT NOT BE SUB-
JECT TO EXTREME CONDITIONS, SUCH AS A
CLOSED VEHICLE IN DIRECT SUNLIGHT OR
CONTINUOUS SUBFREEZING TEMPERATURES.
SHUT DOWN:
At the end of the workday, press the SYSTEM POWER button
to turn off all power. A typical standby current of 50 Miliamps
is required when the OMD is “OFF”. This is normal and will
not cause any problems.
O
PERATING
P
ROCEDURES