
INSTRUCTION MANUAL
DPS400
56-101-01180-C
1-4
Page 27
November 5, 2003
(3)
To begin the Pitot Leak test at the parameter screen, press the Leak Test Button (
F2
).
The following Leak Test Mode menu appears:
XXX.X Kts
XXXXX Ft.
0 Ft./m
F1: Static Test
F2: Pitot Test
F4: -Cancel
F1
F2
LEAK
TEST
INC
F3
F4
CONTRAST
DEC
MENU
PUMP
Note: The XXX Kts and XXXXX Ft. indications are the airspeed and altitude
from which the leaks test was started.
(4) Press
F2
for a Pitot Leak Check. The following menu appears and the message:
“Minumum Airspeed of 100 Knots Required
” flashes:
#
0 .0 K ts
# X X X X X F t.
---
K ts /m in
0
F t./m
A llo w in g (P t) to s ta b iliz e : 0 :6 0 S E C
F 4 : -C a n c e l
F 1 F 2
L E A K
T E ST
IN C
F 3
F 4
C O N T R A S T
D E C
M E N U P U M P
Note: Do
not press
F2
until ready to do the Leak Check. As soon as
F2
is
pressed, the screen above appears with a 15 second countdown timer and
allows time for stabilization of the pitot pressure. The actual leak check
measurement starts when the timer completes the 15-second stabilization
time.
(6)
After the 15 seconds stabilization time elapses, the Pitot Leak Test screen appears
indicating the start of the actual leak test.
#
X X X .X K ts
# X X X X X F t.
P ito t L e a k T e s t
E la p s e d T im e : X X :X X
F 4 : -C a n c e l
F 1 F 2
LE A K
TE S T
IN C
F 3
F 4
C O N T R A S T
D E C
M E N U
P U M P
A Pitot Leak reading
is taken every 3
seconds. The results
are displayed in
kts/min.
The elapsed
timer indicates
the total time
since the Leak
test was initiated.