Ctcss | Audiovox FR-240 instruction

Continuous Tone Coded Squelch System

	Tone Frequencies
CTCSS	Freq. Hz	CTCSS	Freq. Hz
1	67.0	20	131.8
2	71.9	21	136.5
3	74.4	22	141.3
4	77.0	23	146.2
5	79.7	24	151.4
6	82.5	25	156.7
7	85.4	26	162.2
8	88.5	27	167.9
9	91.5	28	173.8
10	94.8	29	179.9
11	97.4	30	186.2
12	100.0	31	192.8
13	103.5	32	203.5
14	107.2	33	210.7
15	110.9	34	218.1
16	114.8	35	225.7
17	118.8	36	233.6
18	123.0	37	241.8
19	127.3	38	250.3

Call Signals

The FR-240 will transmit a two-second ringing sound to other transceiver’s tuned to the same channel and CTCSS code when the call button is pressed. This feature can be used to signal

other parties that voice communication is desired.

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