GPP Series User Manual 
8 
  Fuse type: 100V/120V:T6.3A/250V,  
 220V/230V:T3.15A/250V 
  To prevent fire, replace the fuse only with the 
specified type and rating. 
  Disconnect the power cord before replacing the 
fuse. 
  Make sure the cause of fuse blowout is fixed 
before replacing the fuse. 
Cleaning the 
power supply 
  Disconnect the power cord before cleaning the 
oscilloscope. 
  Use a soft cloth dampened in a solution of mild 
detergent and water. Do not spray any liquid 
into the oscilloscope. 
  Do not use chemicals containing harsh products 
such as benzene, toluene, xylene, and acetone. 
  Location: Indoor, no direct sunlight, dust free, 
almost non-conductive pollution (Note below) 
  Relative Humidity: < 80% 
  Altitude: < 2000m 
  Temperature: 0° C  to 40° C