Icom IC-T70A HD Instruction Manual - Page 75
Tone frequency and DTCS code
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OTHER FUNCTIONS 10 ■ Tone frequency and DTCS code 1 D Tone and DTCS squelches D Setting subaudible tones for tone squelch 2 The tone squelch (CTCSS) or DTCS squelch opens only when receiving a signal containing a matching subaudible tone or DTCS code, respectively. You can silently wait for q P ush [SET] to enter the Set mode. w R otate [DIAL] to select the CTCSS tone frequency item. 3 4 calls from group members using the same tone or code. [DIAL] 5 Separate tone frequencies can be set for repeater and tone squelch/pocket beep operation. 6 7 D Reverse tone/DTCS squelch The reverse tone/DTCS squelch is convenient if you want to ignore a specific signal. The transceiver mutes the squelch when a signal with the matched tone or code is received. "T SQL-R" / "DTCS-R" is displayed when the reverse tone/ DTCS squelch is set. D Pocket beep These functions use subaudible tones or DTCS codes for calling and can be used as a "common pager" to inform you that someone has called while you were away from the transceiver. 8 9 10 e R otate [VOL] to select a desired CTCSS tone frequency. 11 • Each operating band and each memory channel have indepen- 12 dent settings. • See page 53 for available tone frequencies for details. 13 r Push [V/M/C] to return to the frequency display. 14 15 16 17 18 19 68