GW Instek GDS-3000 Series User Manual - Manual (Page 118)

GDS-3000 Series User Manual
118
The vertical scale indicator on the
bottom left of the display changes
accordingly for the specific channel.
Range 2mV/div ~ 1V/div (50Ω/75Ω),
2mV/div ~ 5V/div (1MΩ). 1-2-5
increments
Stop Mode In Stop mode, the vertical scale setting can be
changed.
Select Coupling Mode
Panel Operation 1. Press a channel key.
CH1
2. Press Coupling repeatedly to toggle
the coupling mode for the chosen
channel.
Range DC coupling mode. The whole
portion (AC and DC) of the signal
appears on the display.
AC coupling mode. Only the AC
portion of the signal appears on the
display. This mode is useful for
observing AC waveforms mixed with
DC signals. AC coupling is not
available with input impedances of
75Ω or 50Ω.
Ground coupling mode. The display
shows only the zero voltage level as a
horizontal line.