DSO-201 osciliscope menu cheat sheet:

>||                 go to previous menu item
M                   go to next menu item

Modes:
name    color
  Se    white
  Mo    green
  Tr    yellow    
  C1    red
  C2    light blue
  Me    various
  Of    purple
  Fo    white
  FL    orange


Se  Select X/Y sensativity  (white)
    >||             pause (unpause) scan (freeze)
    +               increase sensativity (lower voltage)
    -               decrease sensativity (higher voltage)
    |<<             decrease scan rate
    >>|             increase scan rate
    |<< (hold)      scroll (move)  waveform left (not in SCAN mode)
    >>| (hold)      scroll (move)  waveform right (not in SCAN mode)
    + (hold)        scroll (move)  waveform up (not in SCAN mode)
    - (hold)        scroll (move)  waveform down (not in SCAN mode)
    M (hold)        change voltage multiplier (1x or 10x)

    >|| (hold)      display stats
        Freq        Hz  dark blue
        Cycle       nS  green
        Duty        %   yellow
        Time-hi     nS  light blue
        Time-Lo     nS  grey
        Vavg        mV  green
        Vp-p        mV  red
        Vrms-DC     mV  pink/white
        Vrms-AC     uV  purple
        Vmax        mV  yellow
        Vmin        mV  dark blue
        Dynamic     db  light blue


Mo   select trigger mode/slope  (green)
    +               trigger on rising voltage
    -               trigger on falling voltage
    |<</>>|         cycle through scan modes
        NONE
        SCAN        keep the cursor on the screen, just scan repeatedly.
        AUTO        restart, even if there isn't a trigger.
        NORM(al)    start displaying when the trigger is met, then try again for a new trigger.
        SING(le)    save one trace, even if there are more triggers.

Tr   set trigger level/sensativity  (yellow)
    +               move level up
    -               move level down
    |<<             make trigger level width smaller  ????
    >>|             make trigger level width larger  ????
    M (hold)        show/hide trigger level line


C1   Modify X/Y cursor 1  (red)
    +/-             move cursor line up and down
    |<</>>|         move cursor line left and right
    M (hold)        show/hide cursor 1 horizontal line and voltage disp.

C2   Modify X/Y cursor 2  (light blue)
    +/-             move cursor line up and down
    |<</>>|         move cursor line left and right
    M (hold)        show/hide cursor 2 horizontal line and voltage disp.


Me    Select Measurement Mode  (color varies)
    +/-             next/prev. measurement mode displayed next to
                    battery level 

        Freq        dark blue
        Cycle       green
        Duty        yellow
        Time-hi     light blue
        Time-Lo     grey
        Vavg        green
        Vp-p        red
        Vrms-DC     pink/white
        Vrms-AC     purple
        Vmax        yellow
        Vmin        dark blue
        Dynamic     light blue


Of Adjust X/Y offset  (purple)
    +/-/|>>/|<<     move scan up/down/right/left
    M (hold)        show/hide "zero"

Fo  (white) Adjust out Freq 
    +/-             change freq. in big jumps
    +/- (hold)      change percentage
    |<</>>|         change freq. in small steps
    |<</>>| (hold)  change freq. in medium steps

FL (orange) Save or read wave file to or from the Micro SD card 
	This menu is only available if a card is inserted.
	|<<             get wave file
	>>|             save wave file
	+/-             change file name
	M (hold)        excecute the get or save
	>>| (hold)      show wave file (I think)
	|<< (hold)      hide wave file (I think)
	+/- (hold)      move the saved/gotten wave file up/down (I think)