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VPU with Multiple Channel DME Inputs (Figure 2-34)
NAV 1:
The stations received by the
NAV 1 VOR/DME receivers.
The station identifier is
shown adjacent to the field
with the ACTIVE frequency.
RNG:
Same as above.
BRG:
Same as above.
CH 2:
The station identifier and frequency for an additional station that the
multiple channel DME is receiving. This frequency may or may not
be displayed on the control head.
RNG:
The range in nautical miles and tenths from the aircraft’s present
position to the Channel 2 DME station.
CH 3:
The station identifier and frequency for the third station that is being
received. This frequency is not displayed on the control head, and is
automatically tuned by the system.
RNG:
Same as for CH 2.
NOTE: When the DM441B DME, dedicated DM441B, or dedicated
DME42 is configured, the VPU SUBSECTION 3/4 page is different.
The bearing information is suppressed and DME is annunciated
instead of NAV.
VPU SUBSECTION 4/4 (Page 4 of 4)
Pressing the NXT Key again will display the fourth VPU SUBSEC-
TION Page and the following can be observed. If the VPU has multi-
ple channel DME inputs VPU SUBSECTION 4/4 appears and dis-
plays NAV 2 data. The page appears the same as VPU SUBSEC-
TION 3/4.
Page Display Definitions
2-28
GNS-XL Flight Management System
Rev. 1
Jul/98
VPU STATIONS
NAV 1 TCL 117.00
RNG 83.4
BRG 315
CH 2 MXF 113.70
RNG 10.6
CH 3 TGE 117.30
RNG 42.5
VPU SUBSECTION 3/4
Figure 2-34