Maxcom COMFORT MM715 SOS User Manual page 21

Press and hold SOS button for more than 3 seconds to
start SOS procedure.
To end SOS procedure press and hold SOS button on the
phone
Note.
Indoors the range of the bracelet is up to 20m, outdoors up
to 100m
The range of the bracelet of the phone depends on the
surrounding (line of the land, thickness of walls,
electromagnetic interferences etc.) and it may be
significantly limited.
433MHz band, which is used by SOS bracelet, is also
used by other devices for example by alarm remote
controls, remote controls for garage doors, wireless
doorbells, sockets with remote controls, immobilizers,
alarm detectors and many others.
Because of radio interferences, it can happen that
SOS bracelet will not work in relevant time.
The confirmation that the remote SOS connection was
made can be the alarm signal. That is why, it is not
recommended to switch off SOS alarm in phone's
menu.
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