Instructions

Digital Storage Oscilloscope 22
2.7.1 Edge Trigger
Edge trigger distinguishes the trigger points by seeking the specified edge (rising,
falling, rising & falling) and trigger level.
1. Press the [Trig Menu] button on the front panel to enter the Trigger system function
menu.
2. Press the Type softkey, turn the Universal Knob to set select “Edge” and then push
the knob to confirm.
3. Press the Source softkey, turn the Universal Knob to select CH1~CH4, as the trigger
source.
4. Press the Slope softkey, turn the Universal Knob to select the desired trigger edge
(rising, falling or rising & falling), and then press down the knob to confirm.
5. Turn the Trigger Level Knob to adjust the trigger level to obtain stable trigger.
Note: Press the [Auto Scale] button will set the trigger type to Edge and slope to rising.
2.7.2 Pulse Trigger
Trigger on the positive or negative pulse with a specified width.
1. Press the [Trig Menu] button on the front panel to enter the TRIGGER function
menu.
2. Press the Type softkey, turn the Universal Knob to select Pulse and then push the
knob to confirm.