Read this, Locking/Unlocking Channels
You can keep the scanner scanning by locking out channels that have a continuous transmission (such as a weather channel).
To Lock or Unlock a Channel, select the channel by entering the bank number and channel number (Ex: 001) then press MANUAL to advance to the channel. Press L/OUT. lo changes to LO in the display if the channel is locked out.
To Lock out a Channel if the scanner is scanning and stops on the channel, quickly press L/OUT before it continues scanning again. The scanner will lock out the channel and automatically resume scanning.
To View all Locked out Channels, in manual or program mode, press FUNC then L/OUT (each time) to step through the locked out channels. Press L/OUT to unlock a channel. If there are no locked out channels, then the scanner will just beep.
Note: You can still monitor locked out channels in manual and program modes.