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BENDIX/KING
KT 73
Rev 0, October/2002
10563I00.JA
Page 3-12
ALT: (see below)
FIGURE 3-9 KT 73 ALTITUDE MODE
When the unit is in ALT (Altitude) mode:
(a)
The unit will transmit altitude information according to DO-181C paragraph
2.2.13.1.2(a)(1) in response to accepted Mode C interrogations.
(b)
The unit will transmit altitude information according to DO-181C paragraph
2.2.13.1.2(a)(2) in response to accepted Mode S interrogations.
(c)
The unit will reply with selected 4096 Code according to DO-181C: 2.2.13.1.2.b in
response to accepted Mode A interrogations.
(d)
The unit will reply with framing pulses if the derived altitude is invalid / altitude not
available in response to an accepted Mode C interrogation.
(e)
The unit will transmit zeros in each of the 13 bits of the AC field if the derived alti-
tude is invalid / altitude not available in response to an accepted Mode S interroga-
tion.
(f)
The unit will display altitude information according to Altitude Display parameters
(see listing in section 3.2.2).
(g)
The unit will display the 4096 Code in the Ident window.
NOTE:
The KT 73 will accept altitude from a Gillham source
between the range of -1000 ft. to 62749 ft. The KT
73 will accept altitude from an ARINC/GAMA 429
source in the range of -1025 ft. to 62749 ft. All other
altitude values are considered invalid.
Impress Tryout
Preliminary - Subject To Change Without Notice