20 Routine Maintenance
Introduction .............................................................................. 20-2
Setting line voltage and replacing line fuse ............................. 20-2
Front panel tests ................................................................ 20-4
DISP test ........................................................................... 20-4
KEY test ............................................................................ 20-4
A Specifications
B Status and Error Messages
C General Measurement Considerations
Measurement considerations ..................................................... C-2
Ground loops ...................................................................... C-2
Triboelectric effects ........................................................... C-3
Piezoelectric and stored charge effects .............................. C-3
Electrochemical effects ...................................................... C-4
Humidity ............................................................................ C-4
Light ................................................................................... C-4
Electrostatic interference ................................................... C-4
Magnetic fields ................................................................... C-5
Electromagnetic Interference (EMI) .................................. C-5
D DDC Emulation Commands
DDC language ........................................................................... D-2
E Example Programs
Programming examples .............................................................. E-2
Changing function and range .............................................. E-2
One-shot triggering ............................................................. E-3
Generating SRQ on buffer full ............................................ E-4
Storing readings in buffer ................................................... E-5
Taking readings using the :READ? command .................... E-6
Controlling the Model 6514 via the RS-232 COM2 port ... E-7
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