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When the dedicated
DM441B or the dedicated
DME42 is configured, the
TUNE 3/4 page is different
(Figure 2-67a). The Bearing
information is suppressed
and DME is annunciated
instead of NAV.
When the non-dedicated
DM441B is configured, the
TUNE 3/4 page is different
(Figure 2-67b). The Bearing
information is suppressed
and the radios cannot be
manually tuned.
TUNE 4/4 (Page 4 of 4)
XPDR/ADF
Pressing the TUNE Key
again will display this page
and the following information
may be observed.
XPDR:
NOTE: If the transponder
reply code appears briefly
after tuning but turns to
dashes, the system interface
does not provide a return fre-
quency input. (MAN) indi-
cates the entry was made
through the control head.
(Figure 2-68)
ADF:
NOTE: If the frequency that the ADF is tuned to appears briefly but
turns to dashes because the system interface does not provide a
return frequency input. It may also be annunciated with (MAN).
(Figure 2-68)
NOTE: If either the XPDR or ADF frequencies are tuned via the CDU
keyboard the (MAN) field will be blank.
Page Display Definitions
2-57
GNS-XL Flight Management System
Rev. 1
Jul/98
XPDR 1 (MAN) 1200
XPDR 2 (MAN) 2400
ADF 1 (MAN) 610
ADF 2 (MAN) 930
TUNE 4/4
>
>
>
Figure 2-68
DME 1 DRK
FREQ 114.1
RANGE 4.3
DME 2 ARG
FREQ 118.2
RANGE 54.6
TUNE 3/4
<
<
Figure 2-67a
DME 1 DRK
FREQ 114.1
RANGE 4.3
DME 2 ARG
FREQ 118.2
RANGE 54.6
TUNE 3/4
<
<
Figure 2-67b