GDS-1000A-U Series User Manual 
10 
  AC Input voltage: 100 ~ 240V AC, 47 ~ 63Hz 
  The power supply voltage should not fluctuate 
more than 10%. 
  Connect the protective grounding conductor of 
the AC power cord to an earth ground. 
  Fuse type: T1A/250V 
  To ensure fire protection, 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 
oscilloscope 
  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%, 40°C or below 
 ≤ 45%, 41°C~50°C 
  Altitude: < 2000m 
  Temperature: 0°C to 50°C