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Quell
®
User Manual Quell Customer Care 1-800-204-6577 or +1-781-890-9989
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Contents |
22
APPENDIX B: Troubleshooting
Calibration
I cannot start the calibration procedure (the
lights are not running waterfall motion).
If you are using the app, the Calibration option
can be found under the Settings menu. To start
calibration using the app, tap "Start Calibration."
If you are calibrating manually, you should be
sitting down with your lower leg at a 90° angle (or
perpendicular to the floor) with your foot flat on
the floor. Make sure the electrode is snapped onto
the device, the liner has been removed, and the
device is properly placed on your leg (on the upper
calf, 1-2” below your knee). Electrode should be
making complete contact with the skin. Click and
hold the button on the device down for at least 5
seconds until you see the white waterfall pattern.
I can start calibration and see the waterfall lights
briefly, but then they turn off.
Check your positioning (seated with leg at 90°
angle) and device (upper calf, 1-2” below the knee).
Electrode should be making complete contact
with the skin. Try smoothing the electrode over
your skin (while it is snapped to the device), before
securing the sports band.
I am trying to calibrate but I don’t feel anything.
Confirm electrode liner has been removed and
that the lights have been running back and forth
for at least 30 seconds. The purpose of the
calibration process is to measure your sensation
threshold, meaning that when you feel even the
slightest sensation, you should click the button. Do
not wait until the sensation feels very strong to
click the button. It may take 20-30 seconds to feel
the sensation the first time and the sensation may
feel very light. You will feel subsequent stimulation
slightly faster. If you go through the calibration
process and never feel stimulation (or press the
button), the therapeutic intensity will be set at the
maximum possible intensity.
APPENDIX B
Troubleshooting
Calibration Tips
• It is a good idea to wait about 5 minutes
after putting the electrode on for the skin-gel
interface to stabilize, before you start
calibrating.
• If your leg is cold (for example, if you come in
from the outside during winter), you should
wait 30-60 minutes so that your leg warms
up to room temperature before calibrating.
The reason is that cold will artificially elevate
the sensation threshold (the same reason cold
makes you feel numb).
• Do not calibrate right after a therapy session
(of >30 minutes) because the sensation
threshold will be artificially elevated. You
should wait at least 1 hour and preferably 2
hours after a therapy session.
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