1.Push-to-Talk Button (PTT): Press to transmit. Release to receive.

2.Monitor Button (M): Press and hold to bypass the squelch and listen to channel activity.

3.Up Button ( ): Press this button to increase the volume or channel setting.

4.Function Select Button (F): Press this button to select or scroll through all unit functions.

5.Built-In Speaker

6.LCD Display: Displays the current FRS channel number as well as other functions.

7.Power Button ( ): Press and hold this button for 2 seconds to turn the transceiver on or off.

8.Call Button (CALL): Press and hold this button to send a ringing sound to other radios tuned to the same channel.

9.Down Button ( ): Press this button to decrease the volume or channel setting.

10.Built-In Microphone

11.Snap-On Faceplate

12.Speaker Jack: For use with an Audiovox approved headset ac- cessory only.

13.Antenna

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Audiovox FR1428, FR-142B manual Built-In Microphone Snap-On Faceplate