Activate the positive pressure of the breathing valve to exhaust the air from the
15.
system when the display reads according to the figure below.
ACTIVATE PP
=POS.PRESS.
If activated, the Display indicates the electronic low pressure warning setting
16.
while the sound of the electronic whistle is tested .
WHISTLE
55 BAR
Replace Tally in the DDU if applicable
17.
INSERT
TALLY
The display will stop and show the results of the test until the backlight button is
18.
pressed. See the section titled "Test Results" above.
The display will toggle between the two figures below. To shut down the apparatus
19.
press the backlight button. To go into Run mode, switch off the positive pressure
of the breathing valve and open the cylinder valve
SHUT OFF PP
OPEN CYL
->RUN
16
CLOSE DOWN?
FIT TALLY
PRESS BLACK