1. Set the sensitivity of the Volts/Div front panel knob by turning on
the specific channel. Press the desired channel button - CH1 or CH2
(or CH3 or 4 on 4 channel models).
2. Now, press the Volts/Div option button on page 1/2 of the channel
menu, and then select Coarse (fixed) or Fine (variable).
Setting Probe Attenuation
Probes are available with various attenuation factors affecting the vertical
scale of the signal. Select the appropriate attenuation for your probe.
Attenuation options are 1X, 10X, 100X, and 1000X.