Fall Detection and Reporting
The fall detection function on GO can be enabled or disabled in Installer Mode (Section 10). GO
must be worn as a pendant around the neck for the fall detection algorithm to work as intended.
Using or attaching GO in any other manner will not provide accurate fall recognition and may result
in a fall being missed.
When enabled, fall detection is constantly looking for a free fall period, then an impact, followed by
a short period of no movement. Therefore, it needs to be noted that having fall detection enabled
will consume more battery.
This is the same algorithm used on Chiptech Pearl Advanced with a standard setting. The GO fall
detection setting cannot be changed to be more sensitive. Please note: Although advanced
technology is used to detect a fall, there are certain types of falls that are less likely to trigger the
automatic fall detection system. Falls that may not be detected include slumping, falling into an
object that breaks the fall, or falling from an object that is not average standing height. While every
effort is made to detect a significant fall from standing, there are circumstances where GO will not
automatically activate. If the user is able, they can activate GO by pressing both buttons at the same
time. (Requesting Help, Section 2):
• When GO detects a fall has occurred, it will play the pre-alarm sound and then announce,
“Fall detected,” and the light-ring will flash red.
• A ‘fall’ report will be sent to monitoring.
The fall detection algorithm is set up as follows:
• For the fall detector to switch from activity mode to fall detection mode, activity level must
exceed 0.35g in any axis.
• To successfully detect free fall, GO must be falling <= 0.5 g for a minimum period of 200ms.
• Impact with the ground must be >= 5g.
8.1 Suggested Testing for Demonstrating Fall Detection
When fall detection has been enabled, demonstrate or test this function in the following way:
1. Hold GO including the chain in one hand at eye level.
2. Hold the other hand out at hip height and keep it steady.
3. Drop and catch GO and hold it still. It should start to pre-alarm and announce, “Fall
detected.”
4. If a fall is not detected, try again and ensure there is a 30cm drop gap between the hand that
is dropping, and the hand that is catching. Try to keep your catching hand steady.
o To steady your catching hand you can rest it on a table/bench or sit with your hand
in your lap.
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