XHDATA D-808, User Manual, Page: 17 / 18

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Air band is best received near airports. You can look up the approach frequency for
your closest airports online and set the radio for these frequencies.
Squelch
Air band on this radio has a special feature called “ squelch. ” When set, the radio
remains silent until a station stronger than the set level is received. To activate the
feature, long press the tuning knob in towards the radio, and when the word
“ Squelch ” appears in the display immediately rotate the tuning knob to set the
squelch level. The values are 1 - 9 and OFF. The optimum level is usually the highest
number without background noise. Turning squelch off may enable reception of
weak signals that would otherwise not be heard.
Reset
Should the radio become inoperable, you may attempt to reset the radio by push-
ing a small object such as a toothpick or paperclip into the Reset hole until you feel
a click. Take care not to press too hard and damage the radio.