Uniden Bearcat 880 owner manual Power Connects DC power to transceiver Fuse PTT Push-to-Talk

11.MEM/SCAN: Press to start or stop scanning modes [All Channel Scan (see page 10) and Memory Scan (see page 12)]. Press and hold to set or clear channel memory while in Memory mode.

12.9/19/NORM: Press to switch between emergency channel 9, channel 19, and standard CB channels.

13.Frequency Display: Displays the MHz of the selected channel. Also displays menu options.

14.ANL: Turns ANL (Automatic Noise Limiter) feature on and off. ANL reduces external noise.

15.NB: Turns NB (Noise Blanker) feature on and off. NB reduces interference from vehicle ignition systems.

16.RF Gain knob: Improves reception in strong signal areas.

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17.Antenna socket: Connects antenna to the unit.

18.PA SP: Connects optional external 8-ohm, 4-watt speaker for use as a public address system.

To prevent acoustic feedback, separate the microphone from the speaker when operating the PA at high output levels.

19.EXT. SP: Connects an 8-ohm 4-watt speaker to remotely monitor the receiver.

When the external speaker is plugged in, the internal speaker is off.

20.POWER: Connects DC power to transceiver.

21.Fuse.

22.PTT: Push-to-Talk.

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