Uniden MHS550 English Owners Manual - Page 23

Using the Radio (General Operation) The following features and settings are available in all bands. Setting the volume Turn the VOLUME-POWER knob clockwise to increase the speaker volume, or counter-clockwise to decrease volume. Setting the squelch level The squelch feature reduces static on the speaker by filtering out any background channel noise. At the lowest squelch level, the speaker plays all signals, including any channel noise. Setting the squelch level higher filters out noise and lets only actual radio signals through. Strong signals Weak signals Noise No Squelch Medium Squelch High Squelch While listening to a channel, adjust the SQUELCH knob until the noise is filtered and you can hear only the transmission. If you switch to a channel with a lot of noise or a weak transmission, you may need to readjust the squelch level again. Note: Setting the squelch level too high may prevent you from hearing weaker transmissions. If you are having difficulty hearing a transmission, try setting the squelch level lower. Changing the channel Press the CHANNEL UP and CHANNEL DOWN buttons briefly to scroll through the channels one channel at a time. Press and hold the CHANNEL UP or CHANNEL DOWN button to quickly scroll through the channels. Uniden MHS550 Radio Owner's Manual 21