GE ADTS 542 Instruction Manual page 104

Number of
Channels Application
3 Smart Probe
Angle of
Attack
Figure 3-28: Manual let-down ADTS553
1st Valve
open
Ps2 to Ps1 (A) Pt1 to Ps1 (B)
M V
ANUAL ENTING OF THE
2nd Valve 3rd Valve
open open
Ps1 to Atm
(C)
A P S S
IRCRAFT ITOT AND TATIC YSTEMS
4th Valve
open
N/A
102