Introduction ................................................................................................................. 1-1
Welcome .............................................................................................................................. 1-1
Extended warranty ............................................................................................................... 1-1
Contact information .............................................................................................................. 1-1
CD-ROM contents ................................................................................................................ 1-2
Organization of manual sections .......................................................................................... 1-3
Capabilities and features ..................................................................................................... 1-4
General operation ....................................................................................................... 2-1
General ratings ..................................................................................................................... 2-1
Controls, indicators, and connectors .................................................................................... 2-2
Front panel ................................................................................................................................ 2-2
Rear panel................................................................................................................................. 2-5
Cooling vents ....................................................................................................................... 2-7
Turning your instrument on and off ...................................................................................... 2-7
Procedure.................................................................................................................................. 2-7
Placing a Model 2657A in standby ............................................................................................ 2-8
Warmup period .......................................................................................................................... 2-8
Line frequency configuration ..................................................................................................... 2-9
Fuse replacement ..................................................................................................................... 2-9
System information .............................................................................................................. 2-9
Menu overview ................................................................................................................... 2-10
Menu navigation ...................................................................................................................... 2-10
Menu trees .............................................................................................................................. 2-10
Setting values .......................................................................................................................... 2-14
Beeper ................................................................................................................................ 2-16
Display mode ..................................................................................................................... 2-16
Basic operation .................................................................................................................. 2-17
Operation overview ................................................................................................................. 2-17
Operation considerations for the ADC ..................................................................................... 2-22
Basic source-measure procedure ........................................................................................... 2-24
Triggering in local mode .......................................................................................................... 2-28
Configuring trigger attributes in local mode ............................................................................. 2-28
Configuring for measure-only tests using the MODE key ........................................................ 2-29
V-meter and I-meter measurements ....................................................................................... 2-30
Ohms measurements .............................................................................................................. 2-30
Power measurements ............................................................................................................. 2-34
Contact check measurements ................................................................................................. 2-37
Saved setups .......................................................................................................................... 2-38
DUT test connections ......................................................................................................... 2-41
Input/output connectors ........................................................................................................... 2-41
High-voltage triaxial cable termination .................................................................................... 2-44
2-wire local sensing connections ............................................................................................. 2-45
4-wire remote sensing connections ......................................................................................... 2-47
Contact check connections ..................................................................................................... 2-51
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