Honeywell International Inc. KTR2280 Manuale Utente

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 KTR 2280 Preliminary H 08/17/06

Rev. 0, Aug/2006   

©Honeywell International Inc. Do not print without express permission of Honeywell

Page 3-5

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.