FTA-250L O perATing MAnuAL2727advanCed operatIonChanging the Channel StepsThe synthesizer of the FTA-250L provides the optionof utilizing 8.33*/25 kHz channel steps.* 8.33 kHz; Europe only1. [MENU] à “SETUP” à “COMM SETUP” à “FREQSTEP” .2. S e l e c t “ 2 5 K H Z ” o r“8.33KHZ” by pressing the[▲] or [▼] key, and thenpress the [ENT] key.3. Press the PTT switch to return to normal opera-tion.Note: When you set the channel step to 8.33 kHz,the channel display differs from actual operat-ing frequency; see the chart below. However,the operator (pilot, tower, control, etc.) will callout the frequency according to what the displayindicates.OperatingFrequencyDisplay8.33 kHz Step 25 kHz Step1**.0000 MHz 1**.005 1**.0001**.0083 MHz 1**.0101**.0166 MHz 1**.0151**.0250 MHz 1**.030 1**.0251**.0333 MHz 1**.0351**.0416 MHz 1**.0401**.0500 MHz 1**.055 1**.0501**.0583 MHz 1**.0601**.0666 MHz 1**.0651**.0750 MHz 1**.080 1**.0751**.0833 MHz 1**.0851**.0916 MHz 1**.090 The adjacent channel selectivity will be slightlydegraded while receiving using 8.33 kHz channelsteps.