RIGOL DS1000B - Manual (Page 24)

RIGOL
User’s Guide for DS1000B series 1-12
Measurement hints
If the channel is DC coupled, measuring the DC components of the signal by
simply noting its distance from the ground symbol.
If the channel is AC coupled, the DC component of the signal is blocked,
allow you to use greater sensitivity to display the AC component of the
signal.
Vertical offset back to 0 shortcut key
Turn the
knob to change the vertical display position of
channel and press the knob to set the vertical display
position back to 0 as a shortcut key, this is especially helpful when the trace
position is far out of the screen and want it to get back to the screen center
immediately.
3. Set vertical “Volts/div” by
knob.
Rotate to change “Volts/div”, the change will be displayed in real
time at the bottom of interface. Besides, the “Volts/div” contains two forms:
“Fine” and “Coarse”.
Coarse/Fine Shortcut key
The Coarse/Fine vertical control can be set by simply pressing the vertical
knob.