MSA ALTAIR Pro Mode D'emploi page 28

NOTE: See FIGURE 3-1 for details
• If If the "√" does not appear and and "ERR" is indicated:
• Check that the:
• sensor inlet is not clogged
• correct calibration cylinder is used to perform the bump
test
• gas cylinder has not expired and is not empty
• gas was applied at the appropriate time
• gas tubing is seated in the front instrument case during
testing.
• Repeat the bump test process as needed.
• If the "√" does not appear,calibrate the instrument and repeat the
Bump Test.
Figure 3-1. Bump Test Flow Chart
3-2