Kenwood TH-78A Instruction Manual

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Page 283) The DTMF code appears on the display.NoteTransmission continues until the whole code string is recalled, even if the PTT switch is released. Youcannot stop DTMF code transmission once it is initiated.OPERATION AS A REPEATERThis transceiver is capable of operating as a repeater. The transceiver listens on both bands simultaneously. Assoon as a signal is received on one band, the other shifts from receive to transmit and re-transmits the incomingsignal.Function setting1) Select the operating frequencies and adjust the squelch controls to threshold.2) Press the F key for longer than one second and then press the 0 key. The MHz dot(.) will flash. To return to thenormal function, perform step 2 again.Notes1 The Time-out Timer function will automatically set to 3 minutes mode.2 Combinations of SHIFT and CTCSS can be used in the Repeater mode. DTSS and PAGING willnot work in this mode.CAUTIONThis equipment can be extremely susceptible to lightening strike damage or intermodulation distortion ifit is operated on mountain top locations.CTCSS OPERATIONThe CTCSS unit (TSU-7) is included only with models delivered to the United States and Canada. The CTCSS unit(TSU-7) installation instruction are shown on page 49.If the Continuous Tone Code Squelch System (CTCSS) function is activated, the transceiver will not open squelch untilit receives the proper PL tone (tone squelch).Selecting Tone FrequenciesYou can select the desired tone frequency according to the procedure on page 28.Operating the CTCSS Function1) Press the BAND key to select the desired band.2) Press the F key, then press the 3 key. The CT indicator will appear on the display.