Extech Instruments MS6060, User Manual, Page: 42 / 87

42 MS6000-EU-EN-V1.3 7/12
Alter Trigger: (A feature of analog oscilloscopes) provides stable displays of signals at two different
frequencies. Mainly it uses a specific frequency to switch between two analog channels CH1 and CH2
so that the channels will generate swap trigger signals through the trigger circuitry.
Options Settings Comments
Alter (F1)
Press CH1 (F2) or CH2 (F3)
Must be in Single Window mode (HORZ)
Channel
CH1 (F2)
CH2 (F3) Push an option such as CH1, select the channel trigger type and
set the menu interface.
Options in submenus. Alter (Swap) Trigger allows CH1 and CH2 to select trigger modes and to display
waveforms on the same screen. That is, both channels can choose from the four trigger modes.
Type Edge
Slope (F2)
Rising
Falling
Select which slope of the signal is triggered on.
Coupling (F3)
AC
DC
HF Reject
LF Reject
Noise Reject
Select the components of the trigger signal applied to the trigger
circuitry.
Back (F4) Displays initial Alter mode Trigger screen to allow CH selection
Type Video
Polarity (F2)
Normal
Inverted
Select to trigger on positive or negative pulses.
Standard (F3)
NTSC
PAL/SECAM
Sync (F4)
All Lines
All Fields
Even Field
Odd Field
Line Number
Back (F5) Displays initial Alter mode Trigger screen to allow CH selection
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