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KTR 2280 Preliminary H 08/17/06
3.3.1 VHF COM CONTROLS
3.3.1.1 DETAIL BUTTON
The DETAIL button on either the PFD or MF Controller activates a secondary window
related to the currently active window providing additional details or controls related to the
item. A subsequent selection of the DETAIL button removes the secondary window and
displays the primary window for the item. Selection of modes from the MFC is
accomplished using the SEL outer knob.
3.3.1.2 COM BUTTON
The COM button on either the MF Controller transfers window focus to the pilot's Radio
Tuning window and sets the cursor focus to the NAV 1 sub-window, permitting direct
keyboard data entry.
3.3.1.3 TUNING SELECT (SEL) CONTROL
The Tuning Select Control consists of two concentric knurled knobs. The outer knob
typically controls coarse tuning and the inner knob controls fine tuning. The frequency can
also be entered using the MFC numeric keypad, followed by the Enter (ENT) key.
3.3.1.4 FREQUENCY SWAP
The Frequency Swap function exchanges the active and standby frequency. The active
frequency becomes the standby frequency, and the standby frequency becomes the
active frequency. The swap function can be accomplished using the following:
3.3.1.4.1 SOFT KEY
The function is available when the double-headed arrow is shown in the soft key identifier
window. Depressing the soft key initiates the frequency swap.
3.3.1.4.2 SEL/FREQ SWAP KNOB
Depressing the inner knob on the PFD Controller initiates the frequency swap for the radio
that has the cursor focus.
3.3.1.4.3 FREQ SWAP BUTTON
Depressing the button on the MF Controller initiates the frequency swap for the radio that
has the cursor focus.
Soft keys are also selectable from the MFC using the Joystick control followed by the ENT
key.
Rev. 0, Aug/2006
Page 3-10
©Honeywell International Inc. Do not print without express permission of Honeywell
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