Setting FM Muting
[FM Band Only]
You can turn FM Muting ON to silence your radio as you tune frequencies where either no station exits or the station that is using that frequency is weak. Muting eliminates the noise unless the level of the signal is sufficient for comfortable listening.
1.Select the FM band. Press MENU.
.Use ▲ or ▼ to FM Muting. Press ENTER to select it.
3.Use ▲ or ▼ to choose either On to enable muting, Off to disable a previously set muting on condition or Exit to take no action. Press ENTER.
With muting on, as you tune through the FM band, the usual noise from weak or unassigned frequencies in your area will be silenced.
Other Options
Setting the Key Lock
[For All Bands]
To prevent keys from being accidentally operated, set the Key Lock. Hold down LIGHT/ LOCK for 2 seconds. KEYPAD LOCKED appears on the VHF
display bottom for 3 seconds then the message line displays
what information had been
shown before you pressed LIGHT/LOCK.
Locked remains next to the channel number or frequency to remind you that the locked option is enabled for all bands.
44 | Uniden MHS550 Radio Owner’s Manual |