Ranger RCI-5054DX owner manual Rear Panel, Microphone

Operation (Continued)

Rear Panel

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1.ANTENNA: This jack accepts a 50 ohms coaxial cable with a PL-259 style plug.

2.CW KEY: The CW key is used for Morse Code operation. To operate connect a CW key to this jack, and place the mode switch in the CW position.

3.EXTERNAL SPEAKER: This jack accepts a 4 - 8 ohm 5W external speaker. When an external speaker is connected to this jack, the built-in speaker is disabled.

4.PA SP.: An 8 ohm, 4W PA speaker may be connected to this jack for PA operation. This feature operates by placing mode selector in PA position.

5.POWER: This socket accepts a 13.8 VDC power cable with built-in fuse. The power cord provided with the radio consists of a black wire (negative) and a red wire (positive ).

Operation (Continued)

Microphone

1.PTT SWITCH: The Push-To-Talk (PTT) switch controls the transmit and receive function of the radio. Push to transmit and release to receive.

2.REMOTE UP/DOWN SWITCH: The digit on the frequency display above the SHF “cursor” can be stepped up or down by pushing either of these buttons.

For best results, the user should select a low-impedance dynamic type microphone or a transistorized microphone.

The microphone should provide the functions shown in schematic below.

6 WIRE MIC CABLE

Pin Number	Mic Cable Lead
1	Audio Shield
2	Audio Lead
3	Transmit Control
4	Receive Control
5	Up Control
6	Down Control

Transceiver Microphone Schematic Diagram

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