Bedienungsanleitung Kenwood TS-590SG (Seite 31 von 96) (Englisch)

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BASIC COMMUNICATIONS 5

AUTO ZERO-BEAT

Use Auto Zero-beat before transmitting to tune in a

CW station. Auto Zero-beat automatically and exactly

matches your transmit frequency with the station you

are receiving. Neglecting to do this will reduce your

chances of being heard by the other station.

1 Tune to the CW signal using the Tuning control.

2 Press [CW T. (AGC OFF)] to start Auto Zero-beat

while CW is selected for the operating mode.

• “CW TUNE” appears.

• Your reception frequency automatically changes

so that the pitch (tone) of the received signal

exactly matches the TX sidetone/ RX pitch

frequency that you have selected. Refer to “TX

SIDETONE/ RX PITCH FREQUENCY” {below}.

• When matching is completed, “CW TUNE”

disappears.

• If matching is unsuccessful, the previous

frequency is restored.

3 To quit Auto Zero-beat, press [CW T. (AGC OFF)]

or [CLR].

Note:

◆ When using Auto Zero-beat, the matching error is normally

within ±5 Hz.

◆ Auto Zero-beat may fail if the keying speed of the target

station is too slow or if some interference is present.

◆ When the RIT function is ON, only RIT frequencies change

to make the Auto Zero-beat adjustment.

TX SIDETONE/ RX PITCH FREQUENCY

As you send CW, you will hear tones from

the transceiver speaker. These are called TX

(transmission) sidetones. Listening to these tones,

you can monitor what you are transmitting. You may

also use the tones to ensure that your key contacts

are closing, the keyer is functioning, or to practice

sending without actually putting a signal on the air.

RX (reception) pitch refers to the frequency of CW that

you hear after tuning in a CW station.

On this transceiver, the frequency of the sidetone and

RX pitch are equal and selectable. Access Menu No.

40 to select the frequency that is most comfortable for

you. The selectable range is from 300 Hz to 1000 Hz

in steps of 50 Hz (default is 800 Hz).

To change the volume of the TX sidetone, access

Menu No. 06. The selections range from 1 to 20 and

OFF (default is 10).

Note:

◆ The position of the AF control does not affect the volume of

the TX sidetone.

◆ When changing the CW pitch/ side tone, the shift amount

of the receive ﬁ lter is automatically applied to the CW pitch/

side tone. (In Quick Memory mode, the CW pitch/ side tone

is not revised since the receive ﬁ lter information stored in the

Quick Memory has priority.)

CARRIER LEVEL

When using AM, CW, or FSK mode, you can adjust

the carrier level.

1 Press and hold [MIC (CAR].

• The current gain level appears on the sub

display.

2 Turn the MULTI/CH control so that the ALC meter

reads within the limits of the ALC zone.

• For AM mode, adjust the MULTI/CH control so

that the ALC meter just begins to indicate.

3 Press and hold [MIC (CAR] again or press [CLR]

to complete the setting.

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Kenwood TS-590SG Seite 31

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