35
Adjust the Vertical Position
Turn the VERTICAL Position knob to adjust the vertical position of the channel's waveform on the
screen. Push the knob to set the 0 volts or amperes position on the waveform to the center of
the screen. The current adjustment value is shown by the channel's marker on the left side of the
screen and in the channel's data on the right side of the screen.
The following table shows the range of vertical position adjustment according to the volts/div
setting (1X probe attenuation factor).
Volts/div Setting
Range of Vertical Adjustment
2 mV/div to 100 mV/div
±1 V
102 mV/div to 1 V/div
±10 V
1.02 V/div to 10 V/div
±100 V
Table 6 - Volts/div scale vs. vertical position
Specify Channel Coupling
There are three channel coupling settings: DC, AC, and GND. Suppose the signal being input is a
square wave with DC offset.
When the coupling is set to DC, both the DC and AC components of the signal will be
displayed.
When the coupling is set to AC, the DC offset of the signal is blocked.
When the coupling is set to GND, both the DC offset and AC components of the signal are
both blocked.
Press the 1 button on the front panel, then press the Coupling softkey and turn the Universal
Knob to select the desired coupling mode. The default coupling is DC.
The current coupling mode is displayed in the channel label at the right side of the screen. You
can also press the Coupling softkey repeatedly to switch between the coupling modes.
Specify Bandwidth Limit
Set the bandwidth limit to reduce displayed noise. For example, the input signal is a pulse with
high frequency oscillations.
When the bandwidth limit is set to none, the high frequency components of the signal under
test can pass the channel.
When the bandwidth limit is set to 20MHz, the high frequency components above 20 MHz
are attenuated.
Press the 1 button on the front panel, then press the BW Limit softkey to select none or 20M.
The default setting is none. When the bandwidth limit is enabled, the character B will be
displayed in the channel label at the right side of the screen.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
