B&K Precision 2542B-GEN - Manual - Manual (Page 26)

Getting Started
26
3. Press AUTO to show the 1 kHz frequency square
wave in a few seconds.
4. Press CH1 two times to cancel the channel 1, Press
CH2 to change screen into channel 2, reset the
channel 2 and repeat step 2 and step 3 for CH2.