Ranger Electronic Communications Inc 5054DX 用户手册

下载
页码 10
- 8 - 
2
3
4
5
1
Operation
   
(Continued)
 
 
 
Rear Panel
   
 
 
 
 
 
 
 
 
 
 
 
 
 
1. ANTENNA : This  jack  accepts a 50 ohms coaxial  cable in the   PL- 259  
type plug. 
 
2. CW  KEY :  The CW key is used for Morse Code operation. To operate 
this, 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 external speaker is connected to this jack , the built-in 
speaker will be disabled. 
 
4. PA SP. : An 8 ohm 4W PA speaker may be connected to this jack for PA 
operation. Place MODE selector in PA position for this feature.  
 
5. POWER :  This accepts a 13.8 VDC power cable with built-in fuse. The 
power cord provided with the radio consists of  black wire (negative) and a 
red wire (positive ).    
- 9 - 
Operation
   
(Continued)
 
 
Microphone 
 
1. PTT SWITCH : Use the Push-To-Talk (PTT) switch to control the transmit 
and receive of the radio. Push to transmit and release to receive. 
2. REMOTE UP/DOWN SWITCH : An operating frequency can be stepped 
up or down simply 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