FT-252 O peraTing M anual21Tone Calling (1750 Hz)If the repeaters in your country require a 1750-Hz burst tone for access (typically inEurope), you can set the [VOL/SQL] key to serve as a “Tone Call” switch instead. Tochange the configuration of this switch, we again use the Set Mode to help us.1. Press the [SET/ATS] key to enter the Set mode.2. Rotate the DIAL knob or press the [p]/[q] key to selectSet Mode Item 23: M/T-CAL.3. Press the [SET/ATS] key momentarily to enable adjust-ment of this Item.4. Rotate the DIAL knob or press the [p]/[q] key to select “T-CALL” on the display.5. Press the PTT switch to save the new setting and exit to normal operation.To access a repeater, press and hold in the [VOL/SQL] key for the amount of time speci-fied by the repeater owner/operator. The transmitter will automatically be activated, anda 1750-Hz audio tone will be superimposed on the carrier. Once access to the repeaterhas been gained, you may release the [VOL/SQL] key for activating the transmitterthereafter.CTCSS/DCS Operation