Honeywell International Inc. KTR2280A Manuale Utente
SYSTEM INSTALLATION MANUAL
KTR 2280A
Page 2-50
15 May 2017
© Honeywell International Inc. Do not copy without express permission of Honeywell.
numeric value of 21. This control provides amplification (for unusually weak microphones) of up
to 15 dB (setting of 31) or attentuation (for extra sensitive microphones) of up to 31.5 dB (setting
of 0) relative to the default.
to 15 dB (setting of 31) or attentuation (for extra sensitive microphones) of up to 31.5 dB (setting
of 0) relative to the default.
2.6 ARINC 429 INTERFACE
The KTR 2280A has three high speed ARINC 429 transmitters and three high speed ARINC 429 receivers. All
labels are transmitted on both transmit channels. The same data is transmitted over both channels
labels are transmitted on both transmit channels. The same data is transmitted over both channels
Table 2-8 ARINC 429 Output Labels
Function
Label
Parameter
Interval (ms)
NAV
034
VOR/ILS Frequency
200
053
VOR/ILS Standby (Preset) Frequency
200
173
Localizer Deviation
100
174
Glideslope Deviation
100
222
VOR Bearing
100
242
VOR/ILS Station Ident (Characters 1-2)
200
244
VOR/ILS Station Ident (Characters 3-4)
200
265
VOR/ILS Volume
200
COM
030
VHF COM Frequency
200
047
VHF Aux/Guard COM Frequency
200
052
VHF COM Standby (Preset) Frequency
200
263
VHF Aux/Guard COM Frequency
200
266
VHF COM Volume
200
267
VHF COM Status
200
ADF
032
ADF Frequency
200
162
ADF Bearing
100
262
ADF Volume
200
CMC
350
Member System Status
1000
352
MMDF System Fault Report
1000
377
Member System Identification
1000
VDL
172
System Address Label (SAL)
1000
270
VDR Status Word
1000