GW Instek GOS-630FC - Manual (Page 18)

FAQ
35
The input signal does not appear on the display.
Check the following settings.
• The coupling mode is not set at the GND mode, in which the
waveform does not appear on the display. See page22 for details.
• The appropriate trigger source is selected. See page19 for details.
The oscilloscope accuracy does not match the specifications.
Make sure the oscilloscope is powered on for at least 30 minutes,
within +20°C – +30°C. This is necessary to stabilize the oscilloscope.
For more information, contact your local dealer, Good Will
Instruments website
www.gwinstek.com.tw , or
[email protected].
GOS-630FC User Manual
36
A
PPENDIX
Line Voltage & Fuse Replacement
1. Take off the power cord.
115
230
2. Use a small minus driver and pull out the fuse socket.
115
230
3. Rotate the holder so that the target voltage marking moves to the
upper side.
115
230
AC115V
230
115
AC230V
115
230