Velleman projects HPS140 User manual - Manual (Page 6)

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Select the triggering at a falling or rising edge of the
input signal
Select the desired trigger mode (run, normal)
Adjust the trigger level
Move the signal vertically over the display
(Y scroll bar)
Move the signal horizontally over the display
(X scroll bar)
Increase or decrease the contrast until the desired contrast is
reached
Note: The last selected extended menu option will appear in the short menu, until an
other parameter is selected.
Briefly press the menu button to select and highlight the desired parameter
EXTENDED MENU > access by keeping the menu button pressed
SHORT MENU > access by briefly pressing the menu button
Enlarge or reduce the signal vertically by adjusting the voltage
per division, or select ‘AUTO’ for automatic signal display
Adapt the scope readout to the probe setting "x1" or "x10"
Time base: More or less signal cycles will be visible by
modifying the time per division, or select ‘AUTO’ for automatic
signal display
Select the input coupling AC / DC or choose a zero reference
level (GND)
Select the desired voltage readout (Volt, dB, audio power
measuring... )
The short menu is used to change the most common parameters like volts per division or time-
base. For more advanced functions, the extended menu can be used.
Briefly press the menu button to select and highlight the desired parameter
Note: The menu will exit automatically if no button is pressed for a few seconds, or exit
by a long press on the menu button.
Hint: In most settings, hold the UP or DOWN button pressed to activate the auto-range
function.
Parameters in reverse= automatic mode.