GW Instek GOS-6200 - Manual (Page 14)

GOS-6200 OSCILLOSCOPE
USER MANUAL
⎯ 22 ⎯
Trigger controls
The trigger controls determine the sweep start timing for both signal and
dual trace operation.
GOS-6200 OSCILLOSCOPE
USER MANUAL
⎯ 23 ⎯
(26)MODE – Pushbutton and indicator LEDs.
Pressing the pushbutton to select the trigger mode. The actual setting is
indicated by a LED.
Each time when the MODE pushbutton is pressed the trigger mode
changes in the sequence:
ATO—NML—TV—ATO
ATO (Auto)
Select the automatical mode, the sweep free-runs will display a
baseline trace when there is no trigger signal or the frequency is below
10Hz. The setting of triggering level changed only when the TRIGGER
LEVEL control is adjusted to a new level setting.
NML (Normal)
Select the normal mode, the input signal will trigger the sweep when
the TRIGGER LEVEL control is set within the peak-to-peak limits of
an adequate trigger signal. When the sweep is not triggered, no
baseline trace will be displayed.
TV
Separate the video sync signal from the composite waveform and direct
it to the triggering circuit. The horizontal or vertical sync signals are
selected by TV-V/TV-H/TV-STD pushbutton. Please refer to the TV-
V/TV-H/TV-STD (31).