Seeed DSO203 - Measurement Area Fields

7
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
Press
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