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READ AND UNDERSTAND THE COMPLETE INSTRUCTION MANUAL BEFORE USING A RES-
PIRATOR WITH A SEMS PDA DISTRESS ALARM INSTALLED.
QUICK REFERENCE GUIDE TO USE OF THE SEMS PDA DISTRESS ALARM:
WHEN YOU WANT TO:
Turn it on.
Reset pre-alarm
Reset full alarm
Turn it off (finished
with use)
Turn on the
manual alarm.
WHEN THE SEMS PDA
DISTRESS ALARM IS:
Quiet. No lights or sound
Flashing the green light
Flashing the red light and sounding an
ascending/descending tone.
Flashing the red light and sounding a
loud continuous 3 tone chirp
Chirping once every 2 seconds with no
light flashing
WARNING
YOU DO:
Open cylinder valve
(cylinder must have air
in it).
Move so that the respirator
moves or press reset
button once.
Press reset button on
control console twice
(push, release, push again).
Close cylinder valve, open
regulator purge valve letting
out all the trapped air, close
regulator purge valve, press
reset button twice after
flashing green light se-
quence.
Press alarm button on
control console (works
whether the SEMS PDA
distress alarm is on or off).
The SEMS PDA distress alarm is off or the
batteries are used up or removed.
The SEMS PDA distress alarm is on, in
automatic mode, and monitoring your
motion.
You have not moved in the last 20 sec-
onds, SEMS PDA distress alarm will go
into full alarm in 12 seconds or less if you
do not move.
Full alarm: You have not moved in the last
30 seconds or more or you pushed the
manual alarm button and held at least two
seconds.
The backframe batteries are low. You must
replace all batteries before using the SEMS
PDA distress alarm again (it will work in
low battery condition long enough to let
you finish the cylinder of air you are on).
26
THE SEMS PDA
DISTRESS ALARM
DOES:
3 quick audible chirps,
green flashing light on
control console.
Red flashing light changes
to green, ascending/de-
scending tone stops (3
quick audible chirps if
button was pressed).
Loud 3 tone chirp stops,
3 quick chirps, then red
flashing light changes to
green flashing light.
The flashing light goes out
and display will say OFF.
Unit will sound a two tone
chirp at turn off.
Goes into full alarm, loud 3
tone chirps from sensor
module and bright red
flashing light from control
console.
IT INDICATES THAT:
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