Turning On - MSA Altair 5X Mode D'emploi

3.2 Turning ON

Instrument operation is dialog driven from the display with the aid of the
three Function buttons (see Section 2.2.1). For more information, see
the flow charts in Section 7.
Turn the instrument ON with the
• The instrument performs self tests. During the self test, the
instrument checks alarm LEDs, audible alarm, vibrating alarm, and
installed sensors.
• The instrument displays:
• Startup logo
• Software version, instrument serial number, company name,
department, and user names
• Sampling system safety test; see Section 3.2.1
During the turn-ON sequence, if a sensor was changed since
the previous instrument operation, the current listing of the
installed sensors displays and user interaction is required.
• The user must accept the new configuration by pressing
the ▲ button.
• If the current sensor configuration is not accepted, the
instrument alarms and is not usable.
• Combustible gas type, and installed sensor indication
• Combustible gas type and sensor units
(monochrome display only)
• Low Alarm setpoints
• High Alarm setpoints
• STEL Alarm setpoints (if enabled)
• TWA Alarm setpoints (if enabled)
• Calibration cylinder settings
• Current date
• Last calibration date (if enabled)
• Calibration due date. If the calibration due date is enabled,
the message "CAL DUE; X DAYS" appears on the
instrument display.
• X = the number of days until a calibration is due,
3-2
user selectable for 1 to 180 days.
button.