B&K Precision 2532B - Manual - Manual (Page 60)

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• “TRIG MENU” Button: Press the “TRIG MENU” Button to
display the “Trigger Menu”.
• “LEVEL” Knob: The LEVEL knob is to set the corresponding
signal voltage of trigger point in order to sample. Press the
“LEVEL” knob to set trigger level to zero.
• “SET TO 50%” Button: Use the “SET TO 50%” button to
stabilize a waveform quickly. The oscilloscope can set the Trigger
Level to be about halfway between the minimum and maximum
voltage levels automatically. This is useful when you connect a
signal to the EXT TRIG BNC and set the trigger source to Ext or
Ext/5.
• “FORCE Button: Use the FORCE button to complete the current
waveform acquisition whether the oscilloscope detects a trigger or
not. This is useful for SINGLE acquisitions and Normal trigger
mode.
• Pre-trigger/Delayed trigger: The data before and after trigger at
the trigger position is typically set at the horizontal center of the
screen, in the full-screen display the 6div data of pre-trigger and
delayed trigger can be surveyed. More data of pre-trigger and 1s
delayed trigger can be surveyed by adjusting the horizontal
position.