23
Advanced Operation
Nav Mode
2. Press
ENT
to disable the display of DST data. The DST data display may be deactivated by pressing
either
T/F
or
OBS
in addition to the “Remove DST Data?” screen.
OBS Mode
OBS Operation
OBS mode enables the VOR CDI which is displayed on the right side. The OBS course
setting is shown in the center of the display. The
OBS
button is used to select this mode. If
OBS mode is allowed in the unit’s installed configuration, the annunciator over the
OBS
but-
ton will light. The knobs adjust the OBS setting in this mode rather than the frequencies. The
lARGe
knob adjusts the course by tens (00-35 in higher digits). The
SMAll
knob adjusts
single degrees.
OBS Direct-To
You can navigate Direct-To a VOR. In Nav mode with a VOR as the Active frequency, press
OBS
twice. The CDI will now center in the TO condition.
OBS Mode Disabled
If the active frequency is a localizer, OBS mode is not available. Instead, the CDI is always
displayed with
loc
appearing to its left.
OBS mode and the CDI display for VORs are not available if the SL30 is installed with an
indicator head that uses a composite converter.
CDI
A CDI display is also available for VORs. The OBS course setting is displayed to the left of
the CDI. The CDI graphic is dashed and marked “
flagged
” when no signal is received. If
you enabled the “Display Ident over OBS” selection in System mode, the Morse code station
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