Function buttons and main option menu
The function buttons of F1~F4 are located at the lower of the LCD screen. With the option menu on the screen,
these buttons will enable users to realize several functions. Some functions are provided with sub-option menu for
further operations. Please refer to relevant later sections for the usage of these main option menu and sub-menus.
The main option menu provides the instructions for basic operations of the instrument and the details are as follows:
1. Press the F1 key (TIME) to enter the time base adjustment sub-menu, adjust the time base and trigger position.
2. Press the F2 key (RANGE) to enter the amplitude adjustment sub-menu, adjust the vertical amplitude and
waveform position.
3. Press the F3 key (TRIG) to enter the trigger control sub-menu, adjust the trigger edge/mode/level.
Time base adjustment
Under the main menu of the oscilloscope, press the F1 key (TIME), the meter enters the time base adjustment
sub-menu:
1. Press the F1 key (EXIT) to exit the time base adjustment sub-menu and return to the main menu.
2. Press the F2 key (◄), F3 key (►) to adjust the time base (t /div)。
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