44 Access Sensor Technologies UPAS User Guide
Using the Start On Next Power On Option
Use the START ON NEXT POWER ON option If it is desired for the UPAS to begin
sampling immediately the next time it is powered on, without any interaction
needed from the App – via the following steps:
1 Click START WITH SET TIME to toggle it to START ON NEXT POWER-ON.
2 Click the START button and OK on the resulting Pop-up. This puts the UPAS
into a hibernation (from which it begins sampling automatically the next
time it is powered-on).
3 When you are ready to begin sampling with the previously set sample
parameters (i.e. the Sampler is mounted on the subject, etc), simply power
the UPAS on – it immediately steps through its normal power-on self-test
cycle and then immediately begins sampling.”
Active Sampling Sequence if START ON NEXT POWER ON Option Is Used
Step Sequence Item UPAS Status Indicator Definition
1
Click START to initialize
sampling sequence.
Status light is cyan
After clicking START, the UPAS
disconnects from the mobile
device/App and turn itself off. It
is programmed to begin
sampling immediately (without
any connection to the mobile
App, etc) on next power-on.
2
UPAS is 'hibernating',
awaiting power-on to start
sampling
Status light is off
The UPAS is now 'hibernating'
(not using any power), and
programmed to automatically
and immediately start sampling
on next Power-on (at any point
in the future).
When ready to begin
sampling (i.e. have UPAS
mounted on subject, etc),
power on the UPAS with a >5
second hold-down of power
button
(multiple lights - see POWER-ON
SEQUENCE steps 2-4)
The UPAS powers on and
automatically follows
POWER-ON SEQUENCE steps
2-4 before beginning sampling
per the previously-programmed
setup parameters.
3
Active sampling/pumping
begins. UPAS flow control
not yet set.
Status light turns red
Pumping starts, UPAS adjusts
flow rate.
4
Active sampling/pumping
within flow control
parameters.
Status Light turns green (or is off if
toggled off in App sample window).
UPAS now sampling normally,
with flow control within
parameters.
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