LeCroy WaveSurfer 400 Series Service Manual page 50

Recall Leakage - 50 ohm x10.lss or set Input gain to 200 mV/div. on all 4
Channels
Recall Leakage - 50 ohm x100.lss or set Input gain to 2 V/div. on all 4 Channels
b. DC 1MΩ
5-10 Performance Verification
Set the DMM to measure Volts, and connect it to Channel 1.
Measure the voltage and enter it in Table 3. Compare it to the limits.
Repeat the test for all input channels.
Repeat the test for all input channels. Record the measurements in Table 3,
and compare the results to the limits in the test record.
Repeat the test for all input channels. Record the measurements in Table 3,
and compare the results to the limits in the test record.
Recall Leakage - 1 Mohm x1.lss or configure the DSO :
Panel Setups :
Channels Trace ON
Input Coupling :
Input gain :
Trigger mode :
Time base :
Set the DMM to measure Volts, and connect it to Channel 1.
Measure the voltage and enter it in Table 3. Compare it to the limits.
Recall FROM DEFAULT SETUP
Channel 1, Channel 2, Channel 3 & Channel 4
DC 1MΩ
on all 4 Channels
20 mV/div. on all 4 Channels
Auto
50 nsec/div.
Rev. D Sept 2007