Testboy TV 455VDE-tester Testboy TV 455 Manuale Utente

 
The instrument uses six AA size alkaline or rechargeable Ni-Cd or Ni-MH battery cells. 
Nominal operating time is declared for cells with nominal capacity of 2100 mAh. 
Battery condition is always displayed in the lower right display part. 
In case the battery is too weak the instrument indicates this as shown in figure 2.1. This 
indication appears for a few seconds and then the instrument turns itself off. 
 

 

The battery is charged whenever the power supply adapter is connected to the 
instrument. The power supply socket polarity is shown in figure 2.2.Internal circuit 
controls charging and assures maximum battery lifetime.  

 

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The instrument automatically recognizes the connected power supply adapter and 
begins charging. 

Symbols: 

 

Indication of battery charging 

 

 

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 When connected to an installation, the instruments battery compartment can 

contain hazardous voltage inside!  When replacing battery cells or before 
opening the battery/fuse compartment cover, disconnect any measuring 
accessory connected to the instrument and turn off the instrument,  

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Ensure that the battery cells are inserted correctly otherwise the instrument will 
not operate and the batteries could be discharged.  

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If the instrument is not to be used for a long period of time, remove all batteries 
from the battery compartment. 

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Alkaline or rechargeable Ni-Cd or Ni-MH batteries (size AA) can be used. 
TESTBOY recommends only using rechargeable batteries with a capacity of 
2100mAh or above. 

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Do not recharge alkaline battery cells! 

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Use only power supply adapter delivered from the manufacturer or distributor of 
the test equipment to avoid possible fire or electric shock!