Kenwood TS-870S instruction manual Selecting Subtone Frequency, Continuous or Burst Subtones?

6 COMMUNICATING

6Select the receive frequency.

AGC AUTO

FM

7Press [TX B] (or [TX A]) to select split operation.

¥This must be the same VFO as selected in Step 1.

¥The Tone function automatically switches ON.

AGC AUTO	SPLIT	TONE
	RIT	XIT

FM

8Select the Subtone frequency via Menu No 57 (SUB.TONE) and Menu No. 58 (SUB.TONE).

¥See ÒSelecting Subtone FrequencyÓ and ÒContinuous or Burst Subtones?Ó for more details on the Subtone.

To store data selected in Steps 1 ~ 8 in a memory channel:

9Press [M.IN].

10Turn the M.CH/VFO.CH control to select a channel (excluding channel 99).

11Press [M.IN].

To send a Subtone that is stored in memory:

12Press [RX M.CH].

13Turn the M.CH/VFO.CH control to select the channel.

14Press [PTT] or [SEND].

Note:

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

◆When Subtones can be transmitted, ÒTONEÓ lights on the Display.

◆Memory Transfer does not copy the stored Subtone frequency data to the VFO.

◆The Subtone transmitted is the tone associated with the memory channel or the VFO frequency that is used for the transmit function. When you transmit using a VFO frequency or the channel 99 frequency, the Subtone selected via Menu No. 57 (SUB.TONE) and Menu No. 58 (SUB.TONE) will be used; however, when transmitting using a memory channel, the Subtone stored in that channel will be transmitted.

■Selecting Subtone Frequency

Some 10-meter FM repeaters use CTCSS (Continuous Tone Coded Squelch System) to prevent other repeaters on the same frequency from keying thus locking each other up. This repeater access system is also referred to as Tone or PL (ÒPrivate LineÓ). If CTCSS is used by a repeater in your area, set the Subtone frequency. The default is 88.5 Hz.

European Operation: In Europe, a 1750 Hz tone is generally used to access repeaters.

Select the Subtone frequency you require via Menu No. 57 (SUB.TONE). The available choices are shown in the table.

No.	Freq.	No.	Freq.	No.	Freq.	No.	Freq.
	(Hz)		(Hz)		(Hz)		(Hz)
01	67.0	11	97.4	21	136.5	31	192.8
02	71.9	12	100.0	22	141.3	32	203.5
03	74.4	13	103.5	23	146.2	33	210.7
04	77.0	14	107.2	24	151.4	34	218.1
05	79.7	15	110.9	25	156.7	35	225.7
06	82.5	16	114.8	26	162.2	36	233.6
07	85.4	17	118.8	27	167.9	37	241.8
08	88.5	18	123.0	28	173.8	38	250.3
09	91.5	19	127.3	29	179.9	39	1750
10	94.8	20	131.8	30	186.2

■Continuous or Burst Subtones?

In addition to selecting the frequency of the Subtone, you must choose the correct Subtone duration. The Continuous selection sends the Subtone continuously as long as the transceiver is transmitting. The Burst selection sends a 500 ms Subtone burst each time the transceiver begins transmitting.

Select either Continuous or Burst via Menu No. 58 (SUB.TONE). The default is Continuous. This selection cannot be stored in a memory channel.

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

This completes the ÒFM TRANSMISSIONÓ section. Refer to ÒOPERATING AIDSÓ beginning on page 44 for information about additional useful functions for operating.

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