Other Setting - Teledyne LeCroy T3DSO2000A Series User Manual

28.4 Other Setting

Touch Setting in the AWG dialog box to recall "Other Setting" dialog box:
A. Select the output load
B. Turn on/off the OVP (Over Voltage Protection)
C. Do zero adjust
D. Set to default
E. Return to previous menu
Output Load
The selected output load value must match the load impedance.
Otherwise, the amplitude and offset of the output waveform of
AWG will be incorrect.
OVP
When OVP is enabled, the output will be turned off automatically once the protection
condition is met. The protection condition is when the absolute value on the output port
is higher than 4 V ± 0.5 V). At the same time, a warning message is displayed.
Zero Adjust
The output zero error of the AWG can be calibrated by using auto mode or manual
mode. The object of the Zero Adjust is: when AWG outputs 0V DC signal, the measured
mean value of the corresponding channel is within±1mV.
• Auto Steps: In this mode, the adjustment can only be performed with CH1 of the
oscilloscope. Connect the output of AWG to CH1 of the oscilloscope, press Auto,
and the AWG will start to automatically adjust. The scope will display "Zero adjust
completed!" when the adjustment is done.
• Manual Steps: The AWG can be manually calibrated through any channel on the
oscilloscope. Take CH2 as an example:
1. Connect the output of AWG to CH2, open CH2, set it to DC coupling, turn on
bandwidth limit, and set the probe attenuation to 1X.
2. Set the vertical scale of CH2 to a small scale such as 1mV/div. Turn on measure and
set the parameter to Mean of CH2.
3. Press Manual and rotate the universal knob to adjust the compensation value, until
the mean value of CH2 is within ±1mV, and then press Save.
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T3DSO2000A Manual. Page 177