GDS-1000A-U Series User Manual 
8 
SAFETY INSTRUCTIONS 
This chapter contains important safety instructions 
that should be followed when operating and 
storing the oscilloscope. Read the following before 
any operation to ensure your safety and to keep 
the oscilloscope in the best condition. 
Safety Symbols 
These safety symbols may appear in this manual or on the 
oscilloscope. 
 
Caution: Identifies conditions or practices that 
could result in damage to the oscilloscope or to 
other objects or property.