Uniden BC75XLT Owner's Manual page 41

To manually select a channel when in Scan mode, press
Hold, enter the channel number, and press Hold again.The
scanner moves to the frequency stored in that channel.
during scanning, if the radio stops at a channel you want to
listen to, press Hold once. (rotate the scroll control knob to
step through stored channels.) Press Hold again or Scan to
resume automatic scanning.
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