User manual

RIGOL Chapter 2 Front Panel Operations
2-30 DP800A User’s Guide
 Current Trig: the instrument triggers when the output current of the control
source meets the trigger condition set. Press Curr Trig, use the up/down
direction keys to select “>”, “<” or “=” and use the knob to set the
corresponding current value.
 Power Trig: the instrument triggers when the output power of the control
source meets the trigger condition set. Press PowerTrig, use the up/down
direction keys to select “>”, “<” or “=” and use the knob to set the
corresponding power value.
 Auto Trig: when the trigger output is enabled, the instrument triggers
automatically.
4. Output Signal
Press Signal to set the signal type of the trigger output to “Level” or “Square”.
When “Square” is selected, press Period to set the square period and the range
is from 100μs to 2.500000s; press Duty to set the duty cycle of the square
waveform and the range is from 10% to 90%.
5. Polarity
Press Polarity to set the polarity of the trigger output signal.
 Positive: output the signal selected in Signal when the trigger condition is
met.
 Negative: turn the signal selected in Signal upside down and then output
the signal when the trigger condition is met.
6. Enable
Press Enable to enable or disable the trigger output. When it is enabled, the
instrument triggers when the output signal of the control source meets the
trigger condition set.