PeakTech 1245 Operation Manual page 128

Alternate trigger (Trigger Type: video) Menu list:
MENU
Alternate Mode
Source
Modu
Sync
Mode
Holdoff
8. Alternate trigger (Trigger Mode: Slope)
Alternate trigger (Trigger Type: Slope) Menu is shown as Fig. 36.
Alternate trigger (Trigger Type: Slope) menu list:
MENU SETTING
Alternate
Slope
Mode
CH1
Source
CH2
slope
When
High level
Threshol
Low level
d
Slew rate
Auto
Mode
Holdoff
Holdoff
Reset
SETTING INSTRUCTION
Video Set vertical channel trigger type as video trigger.
CH1 Select CH1 as the trigger source.
CH2 Select CH2 as the trigger source.
NTSC
PAL Select video modulation
SECAM
Line Synchronic trigger in video line.
Field Synchronic trigger in video field.
Odd Field Synchronic trigger in video odd filed
Even Field Synchronic trigger in video even field
Line NO. Synchronic trigger in designed video line, turn the M knob to
set the line number
Auto Acquire waveform even no trigger occurred
Holdoff
100ns~10s, adjust the M knob to set time interval before
another trigger occur.
Reset Set Holdoff time as 100ns
Fig. 36 Alternate trigger (Trigger Type: Slope) Menu
INSTRUCTION
Set vertical channel trigger type as slope trigger.
Select CH1 as the trigger source.
Select CH2 as the trigger source.
Select slope condition
Set slope condition; turn the M knob to set time.
Turn M knob to set the High level
Turn M knob to set Low level
Slew rate=( High level- Low level)/ Settings
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
-127-