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5790A
Operators Manual
5
4-4.
Warmup Requirements ..................................................................... 4-4
4-5.
Calibrating DC Zeros ....................................................................... 4-5
4-6.
Connecting Sources to the 5790A ........................................................ 4-6
4-7.
Test Leads and Connectors............................................................... 4-6
4-8.
Coaxial Inputs .............................................................................. 4-6
4-9.
Dual Banana Inputs ...................................................................... 4-6
4-10.
Connecting the Guard and Ground Binding Posts ........................... 4-7
4-11.
Guard Theory ............................................................................... 4-8
4-12.
Guard Connection ........................................................................ 4-8
4-13.
External Guard Connection.......................................................... 4-10
4-14.
Operating Instructions for all Modes .................................................... 4-11
4-15.
Interpreting the Measurement Display ............................................. 4-11
4-16.
Using the Measurement Control Menu ............................................ 4-12
4-17.
Digital Filter Mode Softkey ......................................................... 4-13
4-18.
Digital Filter Restart Softkey ....................................................... 4-13
4-19.
Hi Res Softkey ............................................................................. 4-14
4-20.
Selecting Auto or Locked Range...................................................... 4-14
4-21.
Selecting Continuous or External (Single) Trigger .......................... 4-15
4-22.
Instructions for Measurement Mode..................................................... 4-15
4-23.
Instructions for Transfer Mode ............................................................. 4-16
4-24.
Measuring Frequency Flatness with the Wideband Option.............. 4-16
4-25.
Using the Shunt Input for Relative Current...................................... 4-17
4-26.
Choosing Delta Units ....................................................................... 4-19
4-27.
Establishing a Reference .................................................................. 4-19
4-28.
Using the Top-Level Menu Keys.......................................................... 4-21
4-29.
[VIEW REF] Key ............................................................................. 4-21
4-30.
[UTIL MENUS] Key........................................................................ 4-22
4-31.
Checking Instrument Configuration ................................................. 4-23
4-32.
Setup Menu....................................................................................... 4-24
4-33.
Format Eeprom Menu .................................................................. 4-25
4-34.
Setting the Internal Clock............................................................. 4-26
4-35.
[SPEC] Key ...................................................................................... 4-27
4-36.
Techniques for Reducing Transfer Errors............................................. 4-27
4-37.
DC Reversal...................................................................................... 4-27
4-38.
Loading............................................................................................. 4-28
4-39.
Mechanical Contact .......................................................................... 4-28
4-40.
Thermal EMFs.................................................................................. 4-28
4-41.
EMI................................................................................................... 4-28
Remote Operation ............................................................................... 5-1
5-1.
Introduction........................................................................................... 5-3
5-2.
Using the IEEE-488 Interface for Remote Control............................... 5-3
5-3.
IEEE-488 Bus Restrictions............................................................... 5-3
5-4.
IEEE-488 Bus Setup Procedure........................................................ 5-3
5-5.
Using the Rs-232 Interface for Remote Control ................................... 5-4
5-6.
Serial Remote Control Setup Procedure........................................... 5-4
5-7.
Exceptions for Serial Remote Control.............................................. 5-6
5-8.
Changing between Remote and Local Operation ................................. 5-6
5-9.
Local State ........................................................................................ 5-6
5-10.
Local with Lockout State.................................................................. 5-6
5-11.
Remote State..................................................................................... 5-7
5-12.
Remote with Lockout State .............................................................. 5-7
5-13.
Command Syntax Information.............................................................. 5-8
5-14.
Parameter Syntax Rules.................................................................... 5-8
ii
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