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GDS-2000E Series User Manual
154
5. Use the side menu to select the trigger source
type.
Range
Channel 1 ~ 4 (Alternate On/Off),
EXT (Ext Probe: Volt/Current,
Attenuation: 1mX~1kX, CH2
models only), AC Line
6. Press Coupling from the bottom
bezel menu to select the trigger
coupling or frequency filter
settings.
Choose the coupling from the side menu.
Range
DC, AC, HF Reject, LF Reject
7. Toggle Noise Rejection On or Off
from the side menu.
Range
On, Off
8. From the bottom menu press Slope
to toggle the slope type.
Range
Rising edge, falling edge, either
9. To set the external trigger level,
select Level from the bottom bezel
menu (Not applicable for AC line
source).
10. Set the external trigger level using
the side menu.
Range
00.0V~ 5 screen divisions
Set to TTL 1.4V
Set to ECL -1.3V
Set to 50%
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