Heath Consultants Personal Surveyor (PS200 Series) - Manual (Page 66)

4-16
USER HANDBOOK
When a ‘Man Down’ alarm condition is activated, following
the pre-alarm, the display backlight flashes red, as illustrated
in Fig. 4-17. The audible alarm sounds once every two
seconds and the warning red LED’s flash.
Fig. 4-17 Motion Sensor Alarm
The alarm is ‘latched’ and must be acknowledged to clear.
To clear the alarm, press and hold the Right Hand (RH)
button after the instrument is handled / moved.