User`s manual

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Trigger system
Trigger sources Analog channel (1~4), digital channel (D0~D15), line, external, WaveGen (1,
2, or Mod) (FM/FSK)
Trigger modes Normal Requires trigger event for oscilloscope to trigger.
Auto Triggers automatically in absence of trigger event.
Single Front panel button that triggers only once on a trigger event. Press [Single]
button again for oscilloscope to find another trigger event, or press [Run]
front-panel button to trigger continuously in either auto or normal mode.
Force Front panel button that forces a trigger
Trigger coupling DC DC coupled trigger
AC AC coupled trigger, cutoff frequency: < 10 Hz (internal); < 50 Hz (external)
HF reject High-frequency reject, cutoff frequency ~ 50 kHz
LF reject Low-frequency reject, cutoff frequency ~ 50 kHz
Noise reject Adds hysteresis to the trigger circuitry. Selectable OFF or ON, decreases
sensitivity 2x.
Trigger holdoff range 40 ns to 10.00 s
Trigger sensitivity (internal)* 200 MHz~1 GHz < 10 mV/div: greater of 1 div or 5 mV; ≥ 10 mV/div: 0.6 div
1.5 GHz DC to 1 GHz: < 10 mV/div: greater of 1 div or 5 mV; ≥ 10 mV/div: 0.6 div
1 GHz to 1.5 GHz: < 10 mV/div: greater of 1.5 div or 5 mV; ≥ 10 mV/div: 1.0 div.
Trigger sensitivity (external)* ± 1.6 V 40 mVpp DC to 100 MHz, 70 mVpp 100 MHz to 200 MHz
± 8 V 200 mVpp DC to 100 MHz, 350 mVpp 100 MHz to 200 MHz
Trigger level range Any channel ± 6 div from center screen
External 8 V range = ± 8 V, 1.6 V range = ± 1.6 V
Oscilloscope Experience Redefined:
InfiniiVision 4000 X-Series Performance Characteristics
* Denotes warranted specifications, all others are typical. Specifications are valid after a 30-minute warm-up period and ±10 °C from firmware calibration temperature.