Radio Shack 20-501 ユーザーズマニュアル

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The Basics
8
RECHARGEABLE inside the battery compartment to 
RECHARGEABLE, install the batteries in the scanner, 
and connect an external AC or DC adapter to the 
scanner's DC 6V jack (see “using AC power” on 
Page 10 
or “using vehicle battery power” on 
Page 11).
Warning: Do not connect either the AC or DC 
adapter to the scanner if non-rechargeable batteries 
(such as alkaline batteries) are installed in the scan-
ner and ALKALINE/RECHARGEABLE is set to 
RECHARGEABLE, or if you are unsure of the 
switch's position. Non-rechargeable batteries will 
get hot and can even explode if you try to recharge 
them.
Before you use Ni-Cd or Ni-MH batteries for the first 
time, charge them for 14 hours to bring them to a 
full charge.
Discharged batteries take about 14 hours to fully 
recharge.
Notes:
Ni-Cd batteries last longer and deliver more 
power if you occasionally let them fully 
discharge. To do this, simply use the scanner 
until it beeps every 15 seconds and 
 flashes.
To prevent damage to Ni-Cd batteries, never 
charge them in an area where the temperature is 
above 113°F (40°C) or below 40°F (4°C).