Testboy TV 455VDE-tester Testboy TV 455 ユーザーズマニュアル

 

 

1

 

 

 
Legend: 
1. Function switch. 
2.  Function or sub-function name. 
3. Measuring parameters and limit values. 
4. Result field. 
In this field the main and sub-results together with the PASS/FAIL/ABORT status are 
displayed. 
5.  Online voltage and output monitor. 
6. Message field. 
In this field battery status and warnings/messages related to the actual measurement 
are displayed. 
 
 

 

‰

 

When replacing battery cells or before opening battery/fuse compartment cover, 
disconnect any test leads/accessory connected to the instrument and switch off the 
instrument. Hazardous voltage can exist inside the instrument! 

‰

 

Insert all cells correctly! If this is not performed correctly, the instrument will not 
operate and the battery could be discharged. 

‰

 

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

‰

 

Alkaline or rechargeable Ni-MH battery cells (size AA) can be used. The operating 
hours are given for cells with a nominal capacity of 2100 mAh. 

Do not recharge alkaline battery cells! The battery will begin charging as soon as the 
power supply adapter is connected to the instrument. The in-built protection circuits 
control the charging procedure... 
 
 

 

 

Power supply socket polarity