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MegaZoom Concepts and Oscilloscope Operation
To force all channels on or all channels off
To force all channels on or all channels off
1Press the D15 Thru D8 key or D7 Thru D0 key.
2Press the 
Turn on (or Turn off) softkey.
Each time you press this softkey, the softkey toggles between Turn on and Turn 
off.  When pressed, this softkey forces all digital channels in the selected pod to 
be turned on or to be turned off.
To turn one or more of the individual channels back off or on, turn the Entry 
knob  to select the desired channel, then press the channel on/off softkey to 
turn the channel on or off.
To change the display size of the digital channels
1Press the D15 Thru D8 key or D7 Thru D0 key.
2 Press the size ( ) softkey to select how the digital channels are 
displayed.
The sizing control allows you to spread out or compress the digital traces 
vertically on the display for more convenient viewing.  Setting the size in either 
digital channel menu determines the size for all displayed digital channels.
Select   to display 8 channels or   to display 16 channels full screen.
Select   to display 16 channels in half of the display.
Turn on/Turn off softkey and D15 Thru D8/D7 Thru D0 key differences
The Turn on/Turn off softkey toggles the on/off state of the channels.  The 
D15 Thru D8/D7 Thru D0 front-panel key toggles the display state of the channels.  
Toggling the display state means you can setup what channels you want to see, then 
quickly hide or display the channels by pressing the D15 Thru D8/D7 Thru D0 key.