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KTR 2280 Preliminary H 08/17/06
3.2.3.1 ACTIVE FREQUENCY
The active NAV frequency is displayed in white on the left side of the VHF NAV tuning
sub-window.
3.2.3.2 VOLUME CONTROL INDICATION/SCALE
The volume control scale and the indication of the current volume level are located at the
top of the VHF NAV tuning sub-window, above and between the active and standby
frequencies. The volume scale is visible only when the volume knob is being rotated, and
is automatically removed from the display one second after volume knob rotation ceases.
3.2.3.3 SOFT KEY IDENTIFIER/SOFT KEY SWAP IDENTIFIER
This shows the function of the soft key on the PFD bezel next to the identifier. The choices
are NAV, NAV1, or NAV2. The swap identifier indicates that pressing the soft key will
swap the active and standby frequencies, and is only visible when the cursor is in the NAV
tuning sub-window and the radio is in active/standby tuning mode.
3.2.3.4 DME ASSOCIATION/HOLD ANNUNCIATOR
The DME association annunciator indicates which DME is associated with the NAV radio.
The choices are DME (single DME installation), DME1 or DME2 (for dual DME
installations). The Hold annunciator indicates the associated DME is in Hold mode.
3.2.3.5 MORSE CODE ID ANNUNCIATOR
The Morse code ID annunciator indicates that the Morse code filter has been activated,
allowing the crew to hear the Morse code through the audio system.
3.2.3.6 STANDBY FREQUENCY/VOR BEARING
Either the standby NAV frequency or the VOR bearing is displayed in cyan to the right of
the active frequency in the VHF NAV tuning sub-window. Choice of standby frequency or
bearing is made on the VHF NAV detail window. The bearing display will be shown as
either BRG XXX° or RAD XXX°, depending on the operator's selection.
FIGURE 3-6 VHF NAV BEARING DISPLAY
Rev. 0, Aug/2006
Page 3-5
©Honeywell International Inc. Do not print without express permission of Honeywell
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