Socket Mobile IC-4088A instruction manual D CTCSS code table, Freq, Group Mode ?

GROUP MODE (CTCSS) 6

D CTCSS code table

CH	Freq.	CH	Freq.	CH	Freq.	CH	Freq.
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	- - -	OFF
10	94.8	20	131.8	30	186.2

(unit: Hz)

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✔What is CTCSS (Continuous Tone Coded Squelch System)

GROUP MODE ?

CTCSS (Continuous Tone Coded Squelch System) GROUP MODE allows communication with silent stand by. Only signals containing a specific group code can open the squelch.

This conveniently eliminates unwanted audio and is useful in group activities or security related activities where unwanted out- put can be a problem. Note that CTCSS group mode is not pri- vate—anyone can receive your calls.

The IC-4088A is equipped with 38 tone codes for CTCSS GROUP MODE use. Selecting a code applies it to all 14 operating chan- nels. Each push of [PTT] superimposes your group code over your transmit signal; and, only signals containing the same code can open your squelch. To temporarily hear all signals (including noise) push and hold [MODE]. Do not use CTCSS GROUP MODE if you want to be able to hear signals on all channels.

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