MSA ALTAIR 4XR, Operating Manual

Page: 15 / 63

ALTAIR
®
4XR
15
Description
US
Battery Charging
WARNING!
Risk of explosion: Do not recharge device in hazardous area.
WARNING!
Use of any charger, other than the charger supplied with the device, may damage or improperly charge
the batteries.
The charger is capable of charging a completely depleted pack in less than four hours in normal, room-
temperature environments.
To Charge the Device
• Ensure the charger connector is firmly seated in the charge port on the back of the device.
• The battery symbol will scroll through a progressively increasing number of segments and the
charge LED will be red until 90 % of full charge has been obtained. Then the battery symbol will
remain fully illuminated and the charge LED will be green while the battery is trickle charged to its
full capacity.
• If a problem is detected during charging, the battery symbol will flash and the charge LED will be
orange. Disconnect the device from the power module and reconnect it to the power module to
reset the charge cycle.
• During periods of non-use, the charger may remain connected to the device/battery pack.
• Minimum and maximum ambient temperature to charge the device is 10 °C (50 °F) and 35 °C
(95 °F), respectively.
• For best results, charge the device at room temperature 23 °C (73 °F).
2.5 Viewing Additional Pages
The Main Screen appears at device turn-on.
Optional displays can be viewed by pressing the  button to move to:
Bump Mode
(1) To select the Bump mode, press the
q
button.
(2) To move forward, press the  button.
(3) To move backward to the Main page, press the  button.
Peak Readings (PEAK page)
The peak icon (

chapter 2.3 "On-Screen Indicators") shows the highest levels of gas recorded by the
device since turn-on or since peak readings were reset.
To reset the peak readings:
(1) Access the PEAK page.
(2) Press the  button.
Allow very hot or cold devices to stabilize for one hour at room temperature before
attempting to charge.