Seeed DS203, User Manual

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move to Menu G and then press the Select switch to navigate among the G-I Menus.
Fields in the Measurement Area
Fields and their functions in the Measurement Area:
Field Name Function Operating Instruction
J Trigger Trigger mode:
Falling edge ,
Rising edge ,
Pulse and level
, ,
Negative pulse width ,
Positive pulse width
Scroll to choose trigger mode.
Press to choose channel (different colors).
K THR Trigger level
Scroll to adjust trigger level U position shows trigger l
P
ress to choose channel (CH_A/CH_B/hide).
L V1 Cursor V1: top limit of
visible trigger level Scroll to select top limit of trigger level.
Press to choose channel (CH_A/CH_B/ CH_C/CH_D
M V2 Cursor V2: bottom limit of
visible trigger level Scroll to adjust bottom limit of trigger level (in X pos
V=V1-V2).
Press
to choose channel (CH_A/CH_B/ CH_C/CH_D
N T1 Time Maker T1 Scroll to adjust time maker T1. Press to hide
O T2 Time Marker T2 Scroll to adjust time maker T2 (in W position shows T
Press to hide time marker T2.
P Y Horizontal Level of each
channel Scroll to adjust horizontal level.
Press to choose channel (CH_A/CH_B/CH_C/CH_D
Q X Choose the window to
display waveforms Scroll to choose waveforms of different positions to di
current window.
R T0 Select a frame in buffer to
display Scroll to choose a frame.
S 4K Memory depth Scroll to choose memory depth from 360 to 4K bytes
T EXT Exit Measurement Area Press to exit Measurement Area.
There are 8 triggering modes in Field J:
Mode Triggering Conditions
Falling edge
Rising edge
Voltage higher than threshold
Voltage lower than threshold
Low level pulse width shorter than ΔT
Low level pulse width longer than ΔT
High level pulse width shorter than ΔT
High level pulse width shorter than ΔT
Parameter Menu
The following figure below shows a typical signal trace. Insert one probe into the WAVE OUT