Volume Control Indication/Scale; Soft Key Identifier/Soft Key Swap Identifier; Squelch Inhibit Annunciator; Transmit/Receive Annunciator - Honeywell BENDIX/KING KTR 2280 System Installation Manual

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KTR 2280 Preliminary H 08/17/06

3.2.1.2 VOLUME CONTROL INDICATION/SCALE

The volume control scale and the indication of the current volume level are located at the
top of the VHF COM 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.

3.2.1.3 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 COM, COM1, or COM2. 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
COM tuning sub-window and the radio is in active/standby tuning mode.

3.2.1.4 SQUELCH INHIBIT ANNUNCIATOR

Indicates that the Squelch Inhibit Mode is active.

3.2.1.5 TRANSMIT/RECEIVE ANNUNCIATOR

This annunciator indicates when the radio is transmitting (T) or receiving (R).

3.2.1.6 STANDBY FREQUENCY

The Standby COM frequency is displayed to the right of the active frequency in the VHF
COM tuning sub-window.

3.2.1.7 STUCK MICROPHONE ANNUNCIATION

The STUCK MIC annunciator will be shown in amber in the VHF COM sub-window
between the squelch inhibit annunciation and the receive/transmit annunciator when the
VHF COM detects a stuck microphone.

FIGURE 3-3 STUCK MICROPHONE ANNUNCIATION

Rev. 0, Aug/2006 Page 3-3
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