MSA DESCRIPTION
ALTAIR 4 - Operating Manual 15
To Charge the Instrument
• Firmly insert the charger connector into the charge port on the back of
the instrument.
• The battery symbol will scroll through a progressively increasing
number of segments until 90% of full charge has been obtained. Then it
will remain fully illuminated while the battery is trickle charged to its full
capacity.
• If a problem is detected during charging, the battery symbol will flash.
Disconnect the charger momentarily to reset the charge cycle.
2.2.8 Operating Beep
This operating beep activates every 30 seconds by momentarily beeping
the horn and flashing the alarm LEDs under the following conditions:
• Operating beep is enabled
• Instrument is on normal Measure Gases page
• Instrument is not in battery warning
• Instrument is not in gas alarm
• Audible and visual options are enabled
2.3 Viewing Optional Displays
The Main Screen appears at instrument turn-ON.
Optional displays can be viewed by pressing the
[
]
button to move to:
2.3.1 Bump Mode
To select the Bump mode, press the
[
]
button.
To move forward, press the
[
]
button.
To move backward to the Main page, press the
[
]
button.
2.3.2 Peak Readings (PEAK page)
The peak icon
shows the highest levels of gas recorded by the
instrument since turn-ON or since peak readings were reset.
To reset the peak readings:
(1) Access the PEAK page.
(2) Press the
[
]
button.
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