This is an invaluable feature if a radio will be used extensively at night or in # Nightwatch and/or Backlit Displays - A number of higher priced models include a backlit radio display for convenient operation at night. # Instant Channel 9 & 19 - The ability to quickly jump to two of the most popular channels: Channel 9 (Emergency) and Channel 19 (Highway / Truckers). # Weather Capabilities -CB radios with this feature have the ability to access local NOAA radio stations for real-time weather reports and updates. # Automatic Noise Limited (ANL) - Filters out static, engine noise and other interference from the reception signal to improve reception sound quality.
This requires a PA horn (usually not included) that can be mounted under the hood or on top of the vehicle. # PA Capability - Allows use of the CB radio and microphone as a transmitter for a public address system. This feature can also be used to pull-in and better hear weak signals. It’s useful to block out faint transmissions to eliminate background noise when talking with someone with a strong signal.
# RF Gain - Allows the operator to filter the type of transmission a CB radio receives based on signal strength. This is a standard feature and is included with nearly every CB radio sold. In effect, it keeps the operator from constantly having to listen to static and only activates the speaker when a transmission is received. # Squelch Control - This control sets the break-point at which a CB radio outputs a signal.
This requires a PA horn (usually not included) that can be mounted under the hood or on top of the vehicle. # PA Capability - Allows use of the CB radio and microphone as a transmitter for a public address system. This feature can also be used to pull-in and better hear weak signals. It’s useful to block out faint transmissions to eliminate background noise when talking with someone with a strong signal.
# RF Gain - Allows the operator to filter the type of transmission a CB radio receives based on signal strength. This is a standard feature and is included with nearly every CB radio sold. In effect, it keeps the operator from constantly having to listen to static and only activates the speaker when a transmission is received. # Squelch Control - This control sets the break-point at which a CB radio outputs a signal.
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