Kenwood TS-570S, TS-570D FM Repeater Operation, Specialized Communicating, Mode/Activity, Rtty

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7 SPECIALIZED COMMUNICATING

FM REPEATER OPERATION	1	Press [A/B] to select VFO A or VFO B.
Most Amateur radio voice repeaters use a separate		• “tA” or “tB” appears to show which VFO is
			selected.
receive and transmit frequency. The transmit frequency
may be higher or lower than the receive frequency. In	2	Select the operating frequency.
addition, some repeaters may require the transceiver to		• The frequency selected here will be used for
transmit a subtone before the repeater can be used.
Compared to simplex communication, you can usually			transmitting.
	3	Press [FM/AM] to select FM mode.
transmit over much greater distances by using a
repeater. Repeaters are typically located on a mountain		•	“FM” appears.
top or other elevated location. Often they operate at
	4	Press [A/B] to select the other VFO.
higher ERP (Effective Radiated Power) than a typical
station. This combination of elevation and high ERP		• To copy the frequency that you select in step 2 to
allows communications over considerable distances.
			another VFO, press [A=B] before pressing [A/B].
HF repeaters operate only in the 29 MHz FM sub-band.	5	Select the operating frequency.
This special service combines the advantages of FM
		• The frequency selected on this VFO will be used
operation, good fidelity with noise and interference
immunity, with the excitement of HF DX (long distance)			for receiving.
communications. Even on a quiet day, 10 meter FM	6	Press [FM/AM] to select FM mode.
provides reliable around-town communications with the
	7	Press [SPLIT].
potential for sudden DX from across the country or
around the world.		•	“SPLIT” appears.

• Pressing [A/B] reverses the receive frequency and the transmit frequency.

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29.520 MHz
88.5 Hz	29.620 MHz

29.620 MHz	29.520 MHz
	88.5 Hz

DISPLAY (18L) >>>

8Select the subtone frequency via Menu Nos.

18 and 19.

•See “SELECTING SUBTONE FREQUENCY” and “CONTINUOUS OR BURST SUBTONES?” for more details on the subtone.

9Press [AGC/TONE] to activate the Subtone function.

•“T” appears.

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ARRL 10-METER BAND PLAN

Frequency Range (kHz)	Mode/Activity
28000~28070	CW
28070~28150	RTTY
28120~28189	Packet
28190~28300	Beacons
28300~29300	Phone
(29000~29200)	(AM)
29300~29510	Satellite downlinks
29510~29590	Repeater inputs 1
29600	FM simplex calling
29610~29700	Repeater outputs 1

1Repeater frequency pairs (input/output): 29520/29620, 29540/29640, 29560/29660, 29580/29680

•To quit the Subtone function, press [AGC/TONE] twice.

10Press [SPLIT] to quit split-frequency operation.

•“SPLIT” disappears.

If you access Menu No. 07 and select ON, you can recall a memory channel to use for either receiving or transmitting. For more information, refer to “Memory- VFO Split Operation” {page 41} under “MEMORY FEATURES”.

The data that you select in steps 1 to 9 except for subtone duration can be stored in memory. Refer to “Split-Frequency Channels” {page 40}.

Note:

◆When operating through a repeater, over deviation caused by speaking too loudly into the microphone can cause your signal to “talk-off” (break up) through the repeater.

◆To check the subtone frequency stored in a memory channel, recall the desired memory channel, and access Menu No. 18.

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