Kenwood TS-590S User Manual - Page 34
Fm Ctcss Operation
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6 ENHANCED COMMUNICATIONS ■ Activating the Tone Function 1 Confirm that FM mode has been selected on the VFO(s) {page 10}. • When using 2 VFOs, you must select FM mode on both VFOs. 2 Press [AGC/T (SEL)]. • " " appears. Note: You cannot use the Tone function with the CTCSS function. ■ Selecting a Tone Frequency 1 While " " appears (Tone function is ON), press and hold [AGC/T (SEL)]. • The current tone frequency appears. The default is 88.5 Hz. 2 Turn the MULTI/CH control to select the desired tone frequency. • The available tone frequencies are listed in the table below. 3 Press and hold [AGC/T (SEL)] or press [CLR] to complete the setting. No. Freq. (Hz) No. Freq. (Hz) No. Freq. (Hz) No. Freq. (Hz) 00 67.0 11 97.4 22 141.3 33 206.5 01 69.3 12 100.0 23 146.2 34 210.7 02 71.9 13 103.5 24 151.4 35 218.1 03 74.4 14 107.2 25 156.7 36 225.7 04 77.0 15 110.9 26 162.2 37 229.1 05 79.7 16 114.8 27 167.9 38 233.6 06 82.5 17 118.8 28 173.8 39 241.8 07 85.4 18 123.0 29 179.9 40 250.3 08 88.5 19 127.3 30 186.2 41 254.1 09 91.5 20 131.8 31 192.8 42 1750 10 94.8 21 136.5 32 203.5 -- -- Note: ◆ You can select a tone frequency independent of a CTCSS frequency. ◆ When 1750 Hz is selected, the transceiver sends a 500 ms tone burst each time transmission starts. You cannot transmit 1750 Hz tone manually. TONE FREQUENCY ID SCAN This function scans through all tone frequencies to identify the incoming tone frequency on a received signal. You may find this useful when you do not know the tone frequency that the repeater uses. 1 While the Tone function is ON (" " is visible), press and hold [AGC/T (SEL)]. • The current tone frequency appears. 2 Press [SCAN (SG.SEL)] to activate the Tone frequency ID scan. • While the transceiver is receiving a signal, " " blinks and every tone frequency is scanned. When the tone frequency is identified, the transceiver stops scanning and the identified frequency is displayed. • Press [SCAN (SG.SEL)] or [CLR] to stop scanning while the tone frequency ID scan is active. • Press [SCAN (SG.SEL)] again to resume scanning. Note: Received signals are audible while scanning is in progress. FM CTCSS OPERATION You may sometimes want to hear calls only from specific persons. When using FM mode, the Continuous Tone Coded Squelch System (CTCSS) allows you to ignore (not hear) unwanted calls from other persons who are using the same frequency. A CTCSS tone is sub-audible and is selectable from among the 42 tone frequencies. Select the same CTCSS tone as the other stations in your group. You will not hear calls from stations other than those using the same CTCSS tone. Note: CTCSS does not cause your conversation to be private. It only relieves you from listening to unwanted conversations. 1 Press [A/B (A=B)] to select VFO A or VFO B. • " " or " " appears to show which VFO is selected. 2 Select the 29 MHz band or the 51-54 MHz band using [28 (9)] or [50 (0)]. 3 Select the desired frequency with the Tuning control or MULTI/CH control. 4 Press [FM/AM (FM-N)] to select FM mode. 5 Turn the SQL control to adjust the squelch. 6 Press [AGC/T (SEL)] until " " appears. 7 While " " is visible, press and hold [AGC/T (SEL)]. • The current CTCSS frequency appears (default is 88.5 Hz). 26