Stanford Research Systems SR860, Operation Manual

Page: 213 / 222

Appendix G Performance Tests 195
SR860 DSP Lock-in Amplifier
Press [Aux Output] to display the Aux Output keypad
Touch an {Out} button to display the correct Aux Output in the keypad.
c) For each output voltage in the table below, repeat steps 3d and 3e.
Output Voltages
−
10.000
−
5.000
0.000
5.000
10.000
d) Use the keypad to enter the Aux Output level from the table.
e) Record the DVM reading.
4) Use the front panel to make the following adjustments
Press [Aux Output] to display the Aux Output keypad
Touch {Out1} button to display Aux Output 1 in the keypad.
Press [Screen Layout] multiple times
Set the screen to show 8 big numerical/bar graphs.
Press [Config]
Touch {Data1 Display} to highlight the green data source.
Touch {In 1} to choose Aux input 1 for Data1.
Repeat this to assign In2 – In4 to Data2 – Data4.
5) For Aux Inputs (1, 2, 3 and 4), repeat steps 5a through 5e.
a) Connect Aux Out 1 to the Aux Input under test with a BNC cable.
b) For each output voltage in table 3c above, repeat steps 5c and 5d.
c) Use the front panel to make the following adjustments
Press [Aux Output] to display the Aux Output keypad
Use the keypad to enter the Aux Output 1 level from the table.
d) Record the Aux Input (1, 2, 3 or 4) value.
6) This completes the dc outputs and inputs test. Enter the results of this test in the test record at the
end of this section.