Lifeloc FC20 - Performing Dry Gas Calibration

Page 45
CALIBRATION (Dry Gas)
Dry Gas Calibration
Verify the “Calibration Standard” is set correctly
(refer to pages 36 and 39).
Verify the “Standard Type” is set to Dry Gas.
Turn FC20 on. Attach a mouthpiece to the back of
the unit.
Press Function button until display reads
“CALIBRATION”.
Press Execute button. The display will read “DRY
CHECK”.
Press Function button until display reads “DRY CAL-
IBRATE”.
Attach the FC20 mouthpiece to the regulator by
sliding it over the mouthpiece adapter, ensuring a
snug fit.
Press and hold down the regulator button to deliv-
er a gas sample.
After the gas flows for 3 seconds, press and re-
lease the Execute button to take the sample.
After 3 more seconds release the valve button to
discontinue the flow of gas from the tank.
If successful, the display will read “CAL COM-
PLETE”.
Disconnect the equipment and wait two minutes
before conducting a cal check.
Page 45
CALIBRATION (Dry Gas)
Dry Gas Calibration
Verify the “Calibration Standard” is set correctly
(refer to pages 36 and 39).
Verify the “Standard Type” is set to Dry Gas.
Turn FC20 on. Attach a mouthpiece to the back of
the unit.
Press Function button until display reads
“CALIBRATION”.
Press Execute button. The display will read “DRY
CHECK”.
Press Function button until display reads “DRY CAL-
IBRATE”.
Attach the FC20 mouthpiece to the regulator by
sliding it over the mouthpiece adapter, ensuring a
snug fit.
Press and hold down the regulator button to deliv-
er a gas sample.
After the gas flows for 3 seconds, press and re-
lease the Execute button to take the sample.
After 3 more seconds release the valve button to
discontinue the flow of gas from the tank.
If successful, the display will read “CAL COM-
PLETE”.
Disconnect the equipment and wait two minutes
before conducting a cal check.