SETUP
© 2017 General Electric Company – All Rights Reserved. ADTS 405 R/F Mk2 Instruction Manual-English | 91
7.3.29 SETUP, [LIMITS]
The ADTS 405 Mk2 is preprogrammed with the manufacturer's STANDARD, CIVIL and MAX
limit sets. Different sets of additional limits can be programmed using the CONFIG mode.
SETUP, [LIMITS] allows the selection of the set of limits to be used, each set of limits is
identified by an aircraft name or component/system number.
a. Use [NEXT] or [PREV] to step through the aircraft names and when the display shows
the required name, press [SEL], then CLEAR/QUIT.
b. Use CONFIG, [LIMITS] to program the sets of limits. Each set of limits includes:
• Max ALT
• Min ALT
• Max CAS
• Min CAS
• Max Mach
• Max ROC
• Max Rate CAS
• Max Ps
• Min Ps
• Max Qc
• Min Qc
• Max Rate Ps
• Max Rate Qc
• ARINC limits on or off.
• Altitude correction value.
The set of limits used at power-up (default) can be selected using CONFIG, [LIMITS],
[DEFAULT AIRCRAFT]. The default aircraft set of limits can be locked using CONFIG, [LIMITS],
[LOCK AIRCRAFT] so that an operator cannot change the limits.
If the selected set of limits result in the measured pressure values being outside the limits,
the display shows the warning message “OUTSIDE LIMITS GO TO GROUND” the Ps and Pt
channels should be taken to ground or to pressures within the new selected limits. This
warning message is also displayed if the pressures measured directly after power-up are
outside the limits used at power-up.
After selecting a set of limits, the altitude correction value can be changed using SETUP, ALT.
The maximum Mach limit can be changed or turned off using SETUP, MACH.
7.3.30 SETUP, HELP
This function provides help on the setup key.
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