Radio Shack HTX-400 owner manual Continuous Tone Coded Squelch System Features

CONTINUOUS TONE CODED SQUELCH SYSTEM FEATURES

Your HTX-400 can transmit and receive a low-level, selectable subaudible tone at the same time as it transmits (TX) or receives (RX) a regular signal. This special tone lets you listen only to oth- er radios set to the same tone frequency when you use the HTX- 400 in simplex operation. It also lets you match your radio to the subaudible tone frequency used by a local repeater.

To enable the TX and RX tones for the HTX-400, follow these steps.

1.Press FUNC+ . The current tone setting appears (tONE oF or tone on).

2.Press or to turn on the option . tONE on appears.

3.To set a receive (RX) tone, press FUNC+ . rC appears. Then press or to select a tone frequency from the list on Page 36. For this example, 67.0 Hz was selected for both the transmit and receive frequencies.

4.To set a transmit (TX) tone, press FUNC+ . tC appears. Then press or to select a tone frequency from the list on Page 36.

5.Press PTT to store all the settings.

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