GW Instek GDS-3000 Series User Manual - Manual (Page 128)

GDS-3000 Series User Manual
128
Coupling
(Edge, Delay) DC DC coupling.
AC AC coupling. Blocks DC components
from the trigger circuits.
HF reject High frequency filter above 50kHz
LF reject Low frequency filter below 50kHz
Reject noise DC coupling with low sensitivity to
reject noise.
Slope
(Edge, Delay, Rise
& Fall) Trigger on a rising edge.
Trigger on a falling edge.
Don’t care.
(Rise & Fall trigger type only)
Trigger Level
(Edge, Delay) Level Adjusts the trigger
manually using the
Trigger LEVEL knob. LEVEL
Set to TTL
1.4V Sets the trigger level to 1.4V, suitable
for triggering on TTL signals.
Set to ECL -
1.3V Sets the trigger to -1.3V. This is
suitable for ECL circuits.
Set to 50% Sets the trigger level to
50% of the waveform
amplitude.
50%
Holdoff Holdoff Sets the holdoff time.
Set to
Minimum Set the holdoff time to the minimum.