If a Battery Shutdown condition occurs, stop using the
instrument and leave the area immediately. The instrument
can no longer alert you of potential hazards since it does not
have enough power to operate properly.
Failure to follow this warning can result in serious personal
injury or death.
• When the instrument battery is running low, remove it from service
and replace the battery.
Confidence Indicator (see Figure 2-2)
• The Confidence indicator flashes once every 60 seconds to notify
the user that the instrument is ON and operating normally. In
addition, both LEDs will flash briefly every 60 seconds.
Backlight
• The backlight can be manually activated with a quick push of the
TEST button.
• The backlight remains ON for 10 seconds.
ALTAIR Pro Alarms
Toxic Gas Mea surements (see FIGURE 2-1)
The ALTAIR Pro Detector can be purchased to detect the following
gases in the atmosphere:
• Carbon Monoxide (CO) or
• Phosphene (PH
3
)
• Hydrogen Cyanide (HCN)
• Chlorine Dioxide (ClO
2
).
• The ALTAIR Pro Detector displays the gas concentration in parts
per million (PPM) on the measuring page.
• The instrument remains on this page until another page is
selected or the instrument is turned OFF.
• There are four alarm setpoints in the instrument:
• High Alarm
• Low Alarm
• STEL Alarm
• TWA Alarm
• The backlight turns ON for 20 seconds during an alarm condition.
2-9
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