B&K Precision 2542B-GEN - Manual - Manual (Page 37)

Basic Operation
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coarse is selected, the vertical scale knob changes the
channel scale in a 1-2-5 step sequence.
Channel Keys CH1, CH2
Press the channel key from the front panel to display the
channel’s menu and turn the display of the channel on or off.
The channel is displayed when the key is illuminated.
The channel menu of a channel must be displayed first
before you can turn off the channel. For example, suppose
CH1 and CH2 are both displayed and the CH2 menu is also
displayed. In order to turn CH1 off, you should press the CH1
key first to show CH1 menu on the display, then press CH1
key again to turn off CH1.
CH1, CH2 Menu
Press the channel key CH2 to display the channel’s menu
and turn on the channel display.
Channel Coupling
Press the channel key CH2, then press the Coupling softkey
to select AC coupling mode.
AC coupling places a high pass filter in series with the input
signal that blocks the DC component of the input signal. AC
coupling is useful for viewing waveforms with large DC
offsets.