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8 Cards in this Set

  • Front
  • Back
THE DISTRESS SIGNAL NUIT IS DESCRIBED IN THE QFRS AS
An audible alarm System that can be operated manually or automatically...
THE DISTRESS SIGNAL UNIT IS USED IN THE QFRS TO
Help locate a BA Wearer that has been immobilised...

It is used in conjunction with the BA Control Board...
THE DSU THAT IS USED IN THE QFRS IS CONSTRUCTED OF...
The DSU is constructed of
Moulded poly carbonate which is waterproof, shock resistant and intrinsically safe when fitted with either an energiser or duracell alkaline or kodak lithium battery...
IT IS FITTED WITH...
a Moulded polycarbonate on/off key...
Activation reset button...
Waist Belt Clip...
LED Light (light emitting diode)
Internall Ball and race...
TO BRING THE DISTRESS SIGNAL UNIT INTO OPERATION IN THE QFRS REQUIRES THE FOLLOWING PROCEDURES
PLACE DSU IN STANDBY MODE by removing the key which will emit a 2sec self test alarm and led will flash...

ACTIVATE PRE ALARM WARNING (when stationary it activates after 20 seconds move unit to cancel the alarm)

ACTIVATE AUTOMATIC ALARM ( remain stationary further 8secs press red activation button twice or insert key to cxl)

OPOERATE MANUAL ALARM (RED Button - once for manual mode and twice to cxl)

BATTERY REPLACEMENT... ( date and record on battery/maintenance sheet)
THERE ARE TWO TYPES OF TESTING PROCEDURES FOR THE DSU WHICH INCLUDE...
VISUAL & OPERATIONAL
When being taken into service
Start of shift
Recomissioning...

VISUAL
Ensure DSU is Securely attached to BA set waistbelt or webbing and that the ba tally is attached to the key...
OPERATIONAL TESTING
Operate DSU by removing the key...

THIS PLACEs DSU IN STANDBY MODE
ACTIVATE PRE ALARM WARNING
ACTIVATE AUTOMATIC ALARM

CHECK THE BATTERIES...
Open the battery compartment and check for corossion/deterioration...

Record information on inspection sheet...

Clean the unit with mild solution of soap and water in a safe area...
ADDITIONAL INFORMATION...
DSU weighs approx 300grams...

Has an output at 98deciballs at 3m...

Battery Life
STANDBY - 500hrs
FULL ALARM - 10hrs