Calibration With The Galaxy Test System; Instrument Shutdown - MSA Altair 5X Mode D'emploi

3.9 Calibration with the Galaxy Test System

The instrument can be calibrated using the Galaxy Automated Test
System - contact MSA for a list of compatible gases and concentrations.
NOTE: The Galaxy is not a CSA certified method of calibration.
Similar to the successful (manual) calibration described in Section 3.8.3,
a √ symbol displays on the MEASURE page after successful
Galaxy calibration.
• This √ symbol:
• appears on the color display in the upper feature bar
• appears on the monochrome display in the lower right corner
• remains on the display for 24 hours after the calibration
• goes OFF after 24 hours.
NOTE: If the horn alarm is turned OFF, the calibration √ symbol
does not appear on the color display.

3.10 Instrument Shutdown

For instrument shutdown, press and hold the
• The instrument:
• displays a flashing "HOLD BUTTON FOR SHUTDOWN"
• shows a progress bar, informing the user how much longer
to hold the button to complete the shutdown.
3-24
Figure 3-9. Instrument Shutdown
button.