Promax OD-603 Manual page 23

To turn waveforms on or off (channel, math)
►
Pressing the CH1 MENU, CH2 MENU, and Math buttons have the following
effect:
If the waveform is off, the waveform is turned on and its menu is
displayed.
If the waveform is on and its menu is not displayed, its menu will be
displayed.
If the waveform is on and its menu is displayed, the waveform is
turned off and its menu goes away.
18
Page
CH1 menu
CH2 menu
Couple setting
Figure 14. Channel Setting Menu.
Probe setting
June 2016