GE ADTS 542 Instruction Manual page 36

Air data test set
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3)
Help: Displays help topics related to the currently selected main menu item.
4)
Aircraft Status: displays the aircraft status screen which gives information about whether the
aircraft is ramping, stable at set point, going to ground or actually at ground pressure. Options avail-
able in this screen are: Go to Ground, Change rate of descent to ground and Hold (will allow a
temporary pressure HOLD state on all channels during a controlled ramp to either set-point or
ground). See section
5)
Measure/Control mode: toggle function. The blue indicator identifies the currently selected func-
tion:
- Indicator left: Measure mode.
- Indicator right: Control mode.
6)
Pressure/Aeronautical units selection: toggle function. The blue indicator identifies the currently
selected function:
- Indicator left: Pressure units.
- Indicator right: Aeronautical units.
7)
Pressure mode selection: toggle function. The blue indicator identifies the currently selected func-
tion: With pressure units selected:
- Indicator left: Ps (static) and Pt (pitot) (absolute pressures).
- Indicator right: Ps (static) and Qc.
With Aeronautical units selected:
- Indicator left: ALT (altitude) and CAS (calibrated air speed).
- Indicator right: ALT (altitude) and Mach speeds.
To turn the ADTS Touch off, the ON/OFF key (1, Figure 5-3) should be pressed until the display goes blank.
A momentary press will be ignored. To turn the unit ON, press the ON/OFF key until the display appears.
Goto ground
for a detailed description.
ADTS T
OUCH
34

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Adts 552Adts 553Adts 554f

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