Bedienungsanleitung Kenwood TS-870S (Seite 49 von 104) (Englisch)

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AGC AUTO SPLIT

RIT

6 COMMUNICATING

TF-SET (TRANSMIT FREQUENCY SET)

[TF-SET] allows you to quickly check or adjust your

transmit frequency without changing your receive

frequency.

1 Press and hold [TF-SET].

•Without changing your receive frequency, you are

now receiving on your transmit frequency.

2 To select the transmit frequency that you want, turn

the Tuning control, the M.CH/VFO.CH control, or

press Mic [UP] or [DWN].

3 Release [TF-SET].

•You are now receiving again on your original

receive frequency.

Note:

Switching ON Menu No. 10 (

∆

FREQ) allows you to see the

frequency difference between your transmit and receive frequencies

when

[TF-SET]

is pressed.

Successfully contacting a DX station in a pileup often

depends on making a well-timed call on a clear

frequency. The best way to know if your intended

transmit frequency is clear is to use [TF-SET]. Press

[TF-SET] and listen. Had you transmitted at that

moment, would you have transmitted simultaneously

with other stations or the station that you are calling?

After using [TF-SET] a couple of times in this manner,

you will learn the rhythm of the DX station and the

pileup. Use the information to select a relatively clear

transmit frequency and to transmit at the exact instant

when the DX station is listening but the majority of the

group aren’t transmitting. The more proficient you

become at using this function, the more DX you will

contact.

Note:

◆

If you press

[F.LOCK]

before using

[TF-SET]

, you will eliminate

the risk of changing your receive frequency accidentally.

◆

[TF-SET]

is disabled while transmitting.

◆

If you recalled a memory channel (excluding CH 99) for the

transmit frequency, you must set Menu No. 49 (CH.SHIFT) to ON

to use

[TF-SET]

to change the frequency of the memory channel.

Furthermore, you can turn the

M.CH/VFO.CH

control, or press

Mic

[UP]

[DWN]

, to switch to a different memory channel.

◆

An RIT frequency shift is not added; however, an XIT frequency

shift is added to the transmit frequency.

◆

[TF-SET]

is also enabled while operating with the same TX/RX

frequency (non-split).

SATELLITE OPERATION

Though not as common as VHF/UHF satellite operation,

HF satellite operation is possible depending on which

satellites are currently in orbit around the Earth. When

HF propagation is poor, satellite operation can provide

an incentive to get back on the air. Since this

communications mode is so reliable, you may discover

you actually prefer satellite operation over the

hunt-and-miss method of communicating via the

ionosphere.

An example of a Mode K satellite that has uplink and

downlink frequencies that are both on HF is the Radio

Sputnik 12 (RS-12). Launched in the early 1990s, this

satellite is in a low Earth orbit and provides brief

windows of opportunity for use as it passes quickly over

your location. This satellite accepts SSB or CW signals

on the 15 meter band and outputs them on 10 meters.

Contacts are possible on bands that might otherwise be

vacant during low periods of the solar cycle. Your

TS-870S can also be used with Mode A satellites, those

that use a VHF uplink and an HF downlink, if you also

have an SSB/CW VHF transceiver.

If you’re interested in pursuing Mode K operation,

contact AMSAT (Radio Amateur Satellite Corporation).

This group of satellite operators, located all over the

world, support the construction and operation of

satellites. AMSAT can provide you with the latest

information regarding Mode K and Mode A satellites that

are currently in orbit.

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Kenwood TS-870S Seite 49

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