PeakTech 1240 Operation Manual page 32

Sync
Mode
Holdoff
3. Slope Trigger
Slope trigger sets the oscilloscope as the positive/negative slope trigger within the specified time.
The Slope Trigger Menu is shown as Fig. 32.
Slope trigger menu list
MENU
Single
Mode
Source
When
Threshold
&SlewRate
Mode
Holdoff
Line
Field
Odd
Even
Line NO.
Auto
Holdoff
Reset
Fig. 32 Slope trigger menu
SETTING
Slope
CH1
CH2
slope
High level
Low level
Slew rate
Auto
Normal
Single
Holdoff
Reset
Synchronic trigger in video line
Synchronic trigger in video field
Synchronic trigger in video odd filed
Synchronic trigger in video even field
Synchronic trigger in designed video line, turn the M knob
to set the line number
Acquire waveform even no trigger occurred
100ns~10s, adjust the M knob to set time interval before
another trigger occur
Set Holdoff time as 100ns
INSTRUCTION
Set vertical channel trigger type as slope trigger.
Select CH1 as the trigger source.
Select CH2 as the trigger source.
Slope selecting
Set slope condition; turn the M knob to set slope time.
Adjust M knob to set the High level upper limit.
Adjust M knob to set Low level lower limit.
Slew rate=( High level- Low level)/ Settings
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then stop
100ns~10s, turn the M knob to set time interval before
another trigger occur.
Set Holdoff time as 100ns
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