Bedienungsanleitung Kenwood TS-870S (Seite 37 von 104) (Englisch)

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CW R

AGC AUTO

VOX SEMI

AGC AUTO

1 Select CW mode by pressing [CW/–R].

• “CW” lights.

2 Press [VOX] to switch ON the Break-in function.

•“VOX” and either “SEMI” or “FULL” lights

depending on whether Semi or Full Break-in was

last selected.

3 If “SEMI” lights, press [FULL/SEMI] to toggle to the

FULL status.

• “FULL” lights.

4 Send CW.

• The transceiver switches automatically to

transmit each time the key closes; however, it

returns to receive mode immediately when the

key opens.

Note:

◆

Full Break-in cannot be used with the TL-922/922A amplifier.

◆

During split-frequency Full Break-in operation, you may hear

clicks depending on the transmit and receive frequency

relationship.

◆

The position of the

DELAY

control is ignored while using Full

Break-in.

◆

If using Full Break-in CW, the internal antenna tuner can be

bypassed completely or can be in-line for both transmitting and

receiving. To protect the antenna tuner relay, the tuner cannot be

used only for transmitting.

CW REVERSE (RECEIVE)

This function switches receive from the default upper

sideband to the lower sideband, therefore, interference

that is heard may be eliminated. When your receive

frequency is identical to the transmit frequency of the

other station, the CW Reverse function has no effect on

receive tone or your transmit frequency.

Press [CW/–R] to select CW Reverse.

• “CW” and “R” light.

RISE/DECAY TIMES

The rise time of a CW signal is the time for the RF

output to rise to its maximum power after the key is

closed. This time excludes the make delay that occurs

after closing the key but before the RF output actually

begins to increase. You can adjust the CW rise time for

the TS-870S via Menu No. 23 (CW RISE). The default

is 4 ms. This adjustment also affects the decay time.

The decay time excludes the short break delay from the

moment when the key opens to when the RF output

begins to fall.

The default setting is fine for low to moderate keying

speeds and normal weighting (dot/dash ratios). The

2 ms setting is good for higher CW speeds or when

operating with unusual dot/dash ratios. The available

rise time selections include 2, 4, 6, and 8 ms.

SEMI BREAK-IN

Semi Break-in allows you to transmit without manually

switching between transmit and receive modes. When

the key contacts open, the transceiver automatically

waits for the time period to pass that you have selected

via the DELAY control. The transceiver then returns to

the receive mode.

1 Select CW mode by pressing [CW/–R].

• “CW” lights.

2 Press [VOX] to switch ON the Break-in function.

•“VOX” and either “SEMI” or “FULL” lights

depending on whether Semi or Full Break-in was

last selected.

3 If “FULL” lights, press [FULL/SEMI] to toggle to the

SEMI status.

• “SEMI” lights.

4 Send CW.

• The transceiver switches automatically to

transmit and mutes the receiver each time the

key closes. After the key opens, the transceiver

returns to receive mode after a delay.

■ Setting Delay Time

The delay time is the length of time that the

transceiver remains in transmit mode after the key is

opened. This time should be set based on your

keying speed and your personal preference.

While sending using Semi Break-in, adjust the

DELAY control for the delay you prefer. The control

has a range from 50 ms ~ 800 ms in steps of 50 ms.

Note:

◆

The range and step size of the

DELAY

control differ

depending on the operating mode selected.

◆

Setting the delay time by computer overrides any setting of

the

DELAY

control. The control then has no effect. To

restore functionality to the

DELAY

control, turn the control.

The newly selected setting becomes effective.

FULL BREAK-IN

Full Break-in returns the transceiver to the receive mode

as soon as the key contacts open. It’s possible to hear

if another station wants to interrupt, and it also allows

you to hear interference that may begin after you start

sending.

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