Radio Shack 120-0615 用户手册

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页码 9
          Its center tip is set to negative.  Using an adapter that does 
          not meet these specifications could seriously damage the radio or 
          the adapter. 
 
          Be sure you connect the AC adapter to the radio before you 
          connect it to the AC outlet, and then disconnect it from the AC 
          outlet before you disconnect it from the AC outlet before you 
          disconnect it from the radio.  Otherwise, the unconnected plug 
          might touch some metal and damage the adapter. 
 
Follow these steps to power the radio from a standard AC outlet. 
 
1.  Set the adapter's voltage switch to 4.5V. 
 
2.  Insert the green-tipped Adaptaplug's black end into the AC adapter's  
    cord so it reads TIP NEG. 
 
3.  Insert the Adaptaplug's other end into the radio's DC 4.5V jack. 
 
    NOTE:  Connecting an AC adapter automatically disconnects internal  
           battery power. 
 
4.  Plug the adapter into a standard AC outlet. 
 
USING VEHICLE BATTERY POWER 
 
You can power the radio from a vehicle's battery using an optional DC 
adapter, such as Radio Shack Cat. 270-1560 (not supplied) 
 
CAUTIONS:  The vehicle must have a 12-volt DC, negative-ground electrical 
           system. 
 
           The recommended DC adapter supplies 4.5 volts, delivers 300  
           milliamps, and its plug correctly fits the radio's DC 4.5V  
           jack.  Its center tip is set to negative.  Using an adapter  
           that does not meet these specifications could seriously damage 
           the radio or the adapter. 
 
           Be sure you connect the DC adapter to the radio before you con- 
           nect it to the cigarette-lighter socket, and then disconnect it 
           from the radio.  Otherwise, the unconnected plug might touch 
           some metal and damage the adapter. 
 
Follow these steps to power the radio from a vehicle's battery. 
 
1.  Set the adapter's voltage switch to 4.5V.