___________________________________________________________
GNS 400W Series Maintenance Manual
Page 2-3
190-00356-05
Rev. A
2.3.2 GNC 420W
The GNC 420W performs the following functions:
•
All functions of the GPS 400W.
•
Communications transceiver tuning from 118.00 to 136.975 MHz in 25 kHZ or 8.33 kHZ
increments.
•
10-watt (420W) or 16-watt (420AW) transmitter designed to meet the German FTZ
requirements (an external filter may be required to achieve the harmonic requirement).
2.3.3 GNS 430W
The GNS 430W performs the following functions:
•
All functions of a GNC 420W.
•
The VOR/ILS localizer receiver tuning from 108.00 to 117.95 MHz in 50 kHZ
increments.
•
The ILS glideslope receiver tuning from 328.6 to 335.4 MHz as paired with the
frequency tuned on the VOR / ILS localizer receiver.
•
VOR audio Morse code identifier output.
•
Remote DME channeling.
•
Interface with other flight instruments such as autopilot, CDI/HSI (including OBS) and
OBI.