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PX4 AIR PAPR
PAPR SETUP AND USE CONTINUED
POWER ON/OFF BUTTON AND SPEED CONTROL
The power button is on the right of the unit as
you look at the front of the PX4 AIR
ON: Press and hold the power button (for
about 1 second). Note the unit will always start
up in the low speed setting and should reach
nominal flow within 5-10 seconds. Allow the
unit to warm up for 5 minutes or until the flow
meter (04-091) is in the safe range before use.
FIGURE 6.3
When the battery is out of charge the top row
of lights will flash red and the alarm will sound.
Immediately return to a safe environment and
remove the respirator and change/charge the
battery.
16
®
FIGURE 6.1
FIGURE 6.2
The top row of green lights indicate the charge
. POWER
of the battery. 3 lights is fully charged. 1 light
®
means the battery is getting low. When it is
time to change or charge the battery, there will
be 1 light flashing alternately green and red.
FIGURE 6.4
POWER OFF: Press and hold the power button
(for about 1 second) and the unit will turn off.