Fnirsi 1013D Product Instructions page 8

Set the slow sweep scroll mode: Click the left half of the waveform display area, and
the time base will become larger. When the time base reaches 100mS, the system will
enter the slow sweep scroll mode. 100mS > 50S belong to the scroll mode time base.
Cursor measurement: Click the [time cursor] button on the right-most button bar to
manually measure the equivalent frequency of the time difference, and click the [V
CURSOR] button to manually measure the voltage. If this button is not available, you
need to press the [CTRL] button to switch to the button bar containing the button.
Set the parameters to be displayed: Click the [MEASURS] button on the far right
button bar to open the parameter control bar, and click the parameter in the selection
bar to open the parameter display. If this button is not available, you need to press the
[CTRL] button to switch to the button bar containing the button.
Save the current screen display: Click the [SAVE PIC] button on the far right button
bar to take a screenshot of the entire screen and automatically save it to the internal
storage space. If this button is not available, you need to press the [CTRL] button to
switch to the button bar containing the button.
Save the current waveform data: Click the [SAVE WAVE] button on the far right
button bar to save all the waveform data of the opened channel to the internal
storage space. If this button is not available, you need to press the [CTRL] button to
switch to the button bar containing the button.
Adjust the screen brightness: Click the [MENU] button in the upper left corner of the
screen to pop up 4 function control bars, and then click the first [System Settings] to
pop up 5 setting control bars, and then click [Screen Brightness] to adjust the screen
display Brightness, 100 is the brightest and 0 is the darkest
Adjust the background grid brightness: Click the [MENU] button in the upper left
corner of the screen to pop up 4 function control bars, and then click the first [System
Settings] to pop up 5 setting control bars, and then click [Grid Brightness]. Adjust the
background grid brightness of the waveform display, 100 is the brightest, 0 is to turn
off the grid display
Settings are always triggered automatically at 50%: Click the [MENU] button in the
upper left corner of the screen to pop up 4 function control bars, and then click the
first [System Settings] to pop up 5 setting control bars, and then click [Always trigger
50%] Automatically set to 50% when it is green. In the automatic trigger mode after
setting, the waveform of each measurement is half the peak voltage of the waveform.
Horizontal baseline offset calibration: When the probe has been pulled out, when
the yellow / cyan indicator arrow and the yellow / cyan horizontal baseline on the left