Yaesu FT-450D Manuale Utente

Page 7

FT-450D O

PERATION

 M

ANUAL

D

ISPLAY

 I

NDICATIONS

Frequency Display
The operating frequency is displayed.

: This indicator appears during transmission.

: This indicator appears whenever the receiver squelch is open.

: This indicator appears when the Internal Automatic Antenna Tuner is activated.

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:  Displays the currently selected operating mode.

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:  Displays the current CTCSS operation while in FM mode.

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:  Displays the Repeater Shift Direction while in FM mode.

: This indicator appears whenever the VOX (automatic voice-actuated transmitter switching)

circuit is activated.

: This indicator appears while the voice recorder is recording the receiver audio. This indicator

blinks while the voice recorder is playing back the recorded audio.

: This indicator appears whenever the internal CW keyer is activated.

: This indicator appears whenever the CW break-in operation is activated.

: This indicator appears when the [MAIN DIAL] knob’s tuning rate is set to fast.

: This indicator appears when the [MAIN DIAL] knob is locked.

: This indicator appears whenever the Menu Mode is engaged.

: This indicator appears whenever the Clarifier function is activated.

: This indicator appears whenever Split-frequency operation is activated.

: This indicator appears when the alternate key functions of the six command buttons located on

the upper right corner of the front panel is activated.

Block Diagram Display

: Indicates the antenna status. When the antenna system became abnormality, this indicator will blink.

: Indicates the RF attenuator status (“ON” or “OFF”) selected for operation by the [IPO/ATT] button.
: Indicates that the front-end RF pre-amplifier is removed from the receiver circuit. The incoming signal

is fed direct to the first mixer.

: Indicates the 10 kHz Roofing Filter status. This is always turned on.
: Indicates the Noise Blanker status (“ON” or “OFF”).

: Indicates the AGC decay time.