page 10 - Smoke Jumper CYPRES 2 User’s Guide -
switch-on attempt. This four-click initiation cycle
has been designed to avoid accidental switch-on.
Once the switch-on procedure is nished, the unit
will run through its self-test. Initially, the display
will show the number „10“, and then a countdown
ending in „0“.
Between „2“ an „0“ the unit will interrupt and
show the actual airpressure in hPa (that is equiva-
lent to millibars). It will be a value between 700
and 1050.
HPa is the scale the Smoke Jumper CYPRES 2
works with.
When you see the „0“ at the end of the selftest
then the functioning test has successfully nished
and the display will go blank again, stating that
the unit is ready for work.
2.2 How to check the operativeness
Perform a switch on procedure (see chapter 2.1)
whereupon automatically the selftest will be car-
ried out.
The selftest ends showing a 0
on the display for 1
second and then the display goes blank.
After this procedure the unit has shown its opera-
tiveness.
Conduct this operativeness check prior to every
rst jump of a day.
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