Bedienungsanleitung Kenwood TS-590SG (Seite 30 von 96) (Englisch)

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5 BASIC COMMUNICATIONS

FM TRANSMISSION

FM is a common mode for communicating on VHF or

UHF frequencies. As for HF and the 6 m band,

29 MHz and 51-54 MHz bands are commonly used

for FM operation. You can also utilize 10 m/ 6 m band

repeaters to reach your friends when they are outside

or skipped over from your coverage. Although FM

requires a wider bandwidth when compared to SSB

or AM mode, it has the ﬁ nest audio quality among

these modes. When combined with the full-quieting

aspect of FM signals, which suppresses background

noise on the frequency, FM can be the best method

for maintaining casual communications with your local

friends.

If necessary, refer to “OPERATING BASICS”,

beginning on page 10, for details on how to receive.

1 Select an operating frequency.

2 Press [FM/AM (FM-N)] until “FM” appears.

• If “FM” does not appear, select “AM”, then press

[FM/AM (FM-N)]. The mode indicator changes

to “FM”.

3 Press and hold Mic [PTT].

• The TX-RX LED lights red.

• Refer to “VOX” {page 31} for information on

automatic TX/ RX switching.

4 Speak into the microphone in your normal voice.

• Speaking too close to the microphone or too

loudly may increase distortion and reduce

intelligibility at the receiving end.

• You can switch the Microphone gain for FM

between 1 (Normal), 2 (Medium), and 3 (High)

by using Menu No. 53. 1 (Normal) is usually

appropriate; however, select 3 (High) if other

stations report that your modulation is weak.

5 Release Mic [PTT] to return to Reception mode.

• The TX-RX LED lights green or turns off,

depending on the SQL control position.

Refer to “COMMUNICATING AIDS”, beginning on

page 29, for additional information on useful operation

functions.

Note: Microphone gain adjustment for SSB or AM has no

effect in FM mode. In FM mode, you must select 1 (Normal), 2

(Medium), or 3 (High) in Menu No. 53.

NARROW BANDWIDTH FOR FM

Select wide band or narrow band TX deviation

depending on whether the other station is using

wide band or narrow band ﬁ lter for FM mode. While

“NAR” appears, the TS-590SG transceiver transmits

signals in narrow band FM but the reception IF

ﬁ lter bandwidth remains unchanged (Wide). The

deviation selection is crucial to avoid audio distortion

or insufﬁ cient intelligibility that the other station will

encounter.

1 Press [FM/AM (FM-N)] until “FM” appears.

•

If “FM” does not appear, select “AM” ﬁ rst, then

press [FM/AM (FM-N)].

The mode indicator

changes to “FM”.

2 Press and hold [FM/AM (FM-N)] to toggle the

selection between wide and narrow TX deviation.

• “

” appears when narrow TX deviation is

selected.

CW TRANSMISSION

CW operators know that this mode is very reliable

when communicating under worst conditions. It may

be true that newer digital modes rival CW as being

equally as useful in poor conditions. These modes,

however, do not have the long history of service nor

the simplicity that CW provides.

This transceiver has a built-in electronic keyer that

supports a variety of functions. For details on using

these functions, refer to “ELECTRONIC KEYER”

{page 34}.

If necessary, refer to “OPERATING BASICS”,

beginning on page 10, for details on how to receive.

1 Select the operating frequency.

2 Press [CW/FSK (REV)] until “CW” appears.

• If “CW” does not appear, select “FSK” ﬁ rst, then

press [CW/FSK (REV)]. The mode indicator

changes to “CW”.

• To precisely tune in another station, use Auto

Zero-beat. Refer to “AUTO ZERO-BEAT”

{page 23}.

3 Press [SEND].

• The TX-RX LED lights red.

4 Operate the Keys or Paddle.

• As you transmit, you should hear a sidetone

that lets you monitor your own transmission.

5 Press [SEND] to return to Reception mode.

• The TX-RX LED lights green or turns off,

depending on the SQL control setting.

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