GW Instek GBS-1000 Series User Manual - Manual (Page 122)

GBS-1000 Series User Manual
122
Set the vertical expansion mode
Background The Expand Ground/Center functions allow you
to set where the waveform will scale from when
the Volts/Div knob is used to change the vertical
scale.
Center The Center option will scale the
waveform from the center of the
display. This mode can be useful for
signals that have a voltage bias.
Ground The Ground option will scale the
waveform from the ground point.
Panel operation 1. Press a channel key.
CH1
2. Press F5 (Expand) to select
the Center or the Ground
expansion mode. This
function is channel
independent: a different
setting can be made for each
channel.
Expand
Center
F 5
3. Use the VOLTS/DIV knob
to scale the waveform from
the ground position or from
the center of the display.