Press On/Off push button to start gas flow and release to stop.
14 LE 5 Final Check List
Device is charged prior to calibration
Serial number has been recorded
Firmware has been checked and upgraded if required
The serial number has been crossed checked
Fuel cell voltage is stable and not out of range
Back up battery has 2.8+ volts
Fuel cell temp is correct ±2°C
The device temp is correct ±2°C
Initial gain has been recorded
Pump has been checked, clicking sound and for leaking
Check that gas reference used has a certificate attached to cylinder
Calibration gas value has been set in service menu
Device has been calibrated
New gain has been recorded
Post calibration checks have been completed, passed and recorded
The unit has been given a final zero test
The unit now displays the correct calibration remain days depending on location
The unit has been cleaned and charged fully
REF: LE5 Calibration Instructions_Whole Units V5
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