USER’S MANUAL. OS-782
02-2010
Page 40
+Width
:
The width of the first positive pulse in 50% amplitude points.
-Width
:
The width of the first negative pulse in the 50% amplitude points.
Delay 1
→
2
: The delay between the two channels at the rising edge.
Delay 1
→
2
: The delay between the two channels at the falling edge.
+Duty
:
+Duty Cycle, defined as +Width/Period.
-Duty
:
-Duty Cycle, defined as -Width/Period.
4.20
Setting the Cursor Measurements
This oscilloscope allows you to make manual cursor measurements on time and
voltage. The signal sources include Channel 1(CH1) and Channel 2 (CH2).
The cursor measurement menus are listed and described in the following table:
Function
menus
Settings Description
Type
Close
Voltage
Time
Close the cursor measurement.
Display the voltage measurement cursor and menu.
Display the time measurement cursor and menu.
Signal
sources
CH1,
CH2
Select the waveform channel on which the cursor
measurement will be performed.
To make a voltage measurement on
CH1
, doing the following:
1. Press
the
MENU
key and the function menus are displayed at the right of the
screen.
2.
Press the “
MENU
▲
” or “
MENU
▼
” key to select
Cursor Measurement
. Two
options are shown at the bottom of the screen.
3. Press
F1
key to select the measurement type Voltage. Two purple crossing
dashed lines
V1
and
V2
are shown on the screen.
4. Press
the
F2
key to select the measured channel
CH1
.
5.
Press and hold the
OSC OPTION
key till the
▲
/
▼
CURSOR V1
is visible on
the screen. At this time, adjust
OSC
▲
or
OSC
▼
and you can see that the
dashed line
V1
is moving up and down while the measured voltage value of
V1
relative to the zero position of CH1 appears on the screen.
