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Chapter 7. Reference
3.
After this restart sequence, the system vents, at a safe rate, both channels (pitot and
static) to atmosphere during the power-up sequence.
7.3 SETUP
Pressing the SETUP key causes the system to enter a setup mode preset in the configuration
mode. The following section describes the three functions of setup: full, minimum and off. The
full setup allows access to all setup functions. Minimum setup allows access to some setup
functions, the off function prevents access to the setup functions.
7.3.1 FULL SETUP
Full setup allows access to secondary functions that do not have an assigned key. Any
parameter changed under setup returns to the default settings on power-down.
The CONFIG mode may be used to change the default settings so that the ADTS 405 Mk2
powers up in the required state. Most setup parameters are also available under CONFIG.
Additional parameters are only available under CONFIG.
1.
Certain parameters in setup can be locked in CONFIG mode preventing inadvertent
changes such as aircraft limits at power-up with a particular set of limits that must
not be changed. Attempting to change a locked parameter causes the display to show
a warning message.
2.
Pressing the SETUP key makes the setup functions available. Pressing the function
keys selects the setup menus, using the appropriate function key selects the required
menu choice. To setup a parameter key, press SETUP then press the required
parameter key. Each parameter key setup provides settings to the normal user mode
function of the key. Further menus are used under certain direct key setup functions.
3.
Once a setting has been changed in setup, use CLEAR/QUIT to return to the
preceding menu. After all required parameters have been changed, repeatedly press
CLEAR/QUIT until the display shows the main pressure display.
4.
The following section describes each setup function. Intermediate menus are not
described.
Note: Section 3.4, "Operation Quick Reference," on page 19 provides details of the setup
menu and function keys.
7.3.2 SETUP, [UNITS]
a.
Use [NEXT] or [PREV] to step through the available units until the display shows the
required units.
b.
Select [SAVE] and then press [QUIT] to make the selection. The available units are:
• ft and kts (includes Mach)
• ft and mph (includes Mach)
• m and km/h (m/min) (includes Mach)
• m and km/h (m/s) (includes Mach)
• m and km/h (hm/min) (includes Mach)
82 | ADTS 405 R/F Mk2 Instruction Manual-English
© 2017 General Electric Company – All Rights Reserved.
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